diff options
117 files changed, 984 insertions, 980 deletions
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile index 33ee2c8..6b7c41d 100644 --- a/arch/arm/mach-ep93xx/Makefile +++ b/arch/arm/mach-ep93xx/Makefile @@ -1,7 +1,7 @@ # # Makefile for the linux kernel. # -obj-y := core.o clock.o dma-m2p.o gpio.o +obj-y := core.o clock.o dma-m2p.o obj-m := obj-n := obj- := diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 1d4b65f..b80d967 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -174,14 +174,10 @@ struct sys_timer ep93xx_timer = { /************************************************************************* * EP93xx IRQ handling *************************************************************************/ -extern void ep93xx_gpio_init_irq(void); - void __init ep93xx_init_irq(void) { vic_init(EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK, 0); vic_init(EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK, 0); - - ep93xx_gpio_init_irq(); } @@ -241,6 +237,24 @@ unsigned int ep93xx_chip_revision(void) } /************************************************************************* + * EP93xx GPIO + *************************************************************************/ +static struct resource ep93xx_gpio_resource[] = { + { + .start = EP93XX_GPIO_PHYS_BASE, + .end = EP93XX_GPIO_PHYS_BASE + 0xcc - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device ep93xx_gpio_device = { + .name = "gpio-ep93xx", + .id = -1, + .num_resources = ARRAY_SIZE(ep93xx_gpio_resource), + .resource = ep93xx_gpio_resource, +}; + +/************************************************************************* * EP93xx peripheral handling *************************************************************************/ #define EP93XX_UART_MCR_OFFSET (0x0100) @@ -870,14 +884,13 @@ void __init ep93xx_register_ac97(void) platform_device_register(&ep93xx_pcm_device); } -extern void ep93xx_gpio_init(void); - void __init ep93xx_init_devices(void) { /* Disallow access to MaverickCrunch initially */ ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_CPENA); - ep93xx_gpio_init(); + /* Get the GPIO working early, other devices need it */ + platform_device_register(&ep93xx_gpio_device); amba_device_register(&uart1_device, &iomem_resource); amba_device_register(&uart2_device, &iomem_resource); diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h index 9ac4d10..c4a7b84 100644 --- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h +++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h @@ -98,6 +98,7 @@ #define EP93XX_SECURITY_BASE EP93XX_APB_IOMEM(0x00030000) +#define EP93XX_GPIO_PHYS_BASE EP93XX_APB_PHYS(0x00040000) #define EP93XX_GPIO_BASE EP93XX_APB_IOMEM(0x00040000) #define EP93XX_GPIO_REG(x) (EP93XX_GPIO_BASE + (x)) #define EP93XX_GPIO_F_INT_STATUS EP93XX_GPIO_REG(0x5c) diff --git a/arch/arm/mach-imx/mach-apf9328.c b/arch/arm/mach-imx/mach-apf9328.c index 15e45c8..59d2a3b 100644 --- a/arch/arm/mach-imx/mach-apf9328.c +++ b/arch/arm/mach-imx/mach-apf9328.c @@ -115,6 +115,8 @@ static struct platform_device *devices[] __initdata = { static void __init apf9328_init(void) { + imx1_soc_init(); + mxc_gpio_setup_multiple_pins(apf9328_pins, ARRAY_SIZE(apf9328_pins), "APF9328"); diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c index ffb40ff..ede2710 100644 --- a/arch/arm/mach-imx/mach-armadillo5x0.c +++ b/arch/arm/mach-imx/mach-armadillo5x0.c @@ -490,6 +490,8 @@ static struct platform_device *devices[] __initdata = { */ static void __init armadillo5x0_init(void) { + imx31_soc_init(); + mxc_iomux_setup_multiple_pins(armadillo5x0_pins, ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0"); diff --git a/arch/arm/mach-imx/mach-bug.c b/arch/arm/mach-imx/mach-bug.c index 42e4f07..f494705 100644 --- a/arch/arm/mach-imx/mach-bug.c +++ b/arch/arm/mach-imx/mach-bug.c @@ -42,6 +42,8 @@ static const unsigned int bug_pins[] __initconst = { static void __init bug_board_init(void) { + imx31_soc_init(); + mxc_iomux_setup_multiple_pins(bug_pins, ARRAY_SIZE(bug_pins), "uart-4"); imx31_add_imx_uart4(&uart_pdata); diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c index 46a2e41..87887ac 100644 --- a/arch/arm/mach-imx/mach-cpuimx27.c +++ b/arch/arm/mach-imx/mach-cpuimx27.c @@ -250,6 +250,8 @@ __setup("otg_mode=", eukrea_cpuimx27_otg_mode); static void __init eukrea_cpuimx27_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27"); diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c index 3f8ef82..f39a478b 100644 --- a/arch/arm/mach-imx/mach-cpuimx35.c +++ b/arch/arm/mach-imx/mach-cpuimx35.c @@ -156,6 +156,8 @@ __setup("otg_mode=", eukrea_cpuimx35_otg_mode); */ static void __init eukrea_cpuimx35_init(void) { + imx35_soc_init(); + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads, ARRAY_SIZE(eukrea_cpuimx35_pads)); diff --git a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c index 148cff2..da36da5 100644 --- a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c +++ b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c @@ -125,6 +125,8 @@ __setup("otg_mode=", eukrea_cpuimx25_otg_mode); static void __init eukrea_cpuimx25_init(void) { + imx25_soc_init(); + if (mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads, ARRAY_SIZE(eukrea_cpuimx25_pads))) printk(KERN_ERR "error setting cpuimx25 pads !\n"); diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c index 7ae43b1..c6269d6 100644 --- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c +++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c @@ -231,6 +231,8 @@ static void __init visstrim_m10_board_init(void) { int ret; + imx27_soc_init(); + ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins, ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10"); if (ret) diff --git a/arch/arm/mach-imx/mach-imx27ipcam.c b/arch/arm/mach-imx/mach-imx27ipcam.c index 9be6cd6..272f793 100644 --- a/arch/arm/mach-imx/mach-imx27ipcam.c +++ b/arch/arm/mach-imx/mach-imx27ipcam.c @@ -50,6 +50,8 @@ static const int mx27ipcam_pins[] __initconst = { static void __init mx27ipcam_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(mx27ipcam_pins, ARRAY_SIZE(mx27ipcam_pins), "mx27ipcam"); diff --git a/arch/arm/mach-imx/mach-imx27lite.c b/arch/arm/mach-imx/mach-imx27lite.c index 8411405..d81a769 100644 --- a/arch/arm/mach-imx/mach-imx27lite.c +++ b/arch/arm/mach-imx/mach-imx27lite.c @@ -59,6 +59,8 @@ static const struct imxuart_platform_data uart_pdata __initconst = { static void __init mx27lite_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins), "imx27lite"); imx27_add_imx_uart0(&uart_pdata); diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c index 1ecae20..e472a1d 100644 --- a/arch/arm/mach-imx/mach-kzm_arm11_01.c +++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c @@ -223,6 +223,8 @@ static int kzm_pins[] __initdata = { */ static void __init kzm_board_init(void) { + imx31_soc_init(); + mxc_iomux_setup_multiple_pins(kzm_pins, ARRAY_SIZE(kzm_pins), "kzm"); kzm_init_ext_uart(); diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c index 38ec5cb..5cd8bee 100644 --- a/arch/arm/mach-imx/mach-mx1ads.c +++ b/arch/arm/mach-imx/mach-mx1ads.c @@ -115,6 +115,8 @@ static struct i2c_board_info mx1ads_i2c_devices[] = { */ static void __init mx1ads_init(void) { + imx1_soc_init(); + mxc_gpio_setup_multiple_pins(mx1ads_pins, ARRAY_SIZE(mx1ads_pins), "mx1ads"); diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c index 74ac889..d389ecf 100644 --- a/arch/arm/mach-imx/mach-mx21ads.c +++ b/arch/arm/mach-imx/mach-mx21ads.c @@ -279,6 +279,8 @@ static struct platform_device *platform_devices[] __initdata = { static void __init mx21ads_board_init(void) { + imx21_soc_init(); + mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins), "mx21ads"); diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c index 58ea3fd..01534bb 100644 --- a/arch/arm/mach-imx/mach-mx25_3ds.c +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -219,6 +219,8 @@ static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = { static void __init mx25pdk_init(void) { + imx25_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads, ARRAY_SIZE(mx25pdk_pads)); diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index 6e1accf..117ce0a 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -267,6 +267,8 @@ static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = { static void __init mx27pdk_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), "mx27pdk"); mx27_3ds_sdhc1_enable_level_translator(); diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c index 1db7950..fc26ed7 100644 --- a/arch/arm/mach-imx/mach-mx27ads.c +++ b/arch/arm/mach-imx/mach-mx27ads.c @@ -288,6 +288,8 @@ static const struct imxuart_platform_data uart_pdata __initconst = { static void __init mx27ads_board_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), "mx27ads"); diff --git a/arch/arm/mach-imx/mach-mx31_3ds.c b/arch/arm/mach-imx/mach-mx31_3ds.c index 9b98244..ab2a626 100644 --- a/arch/arm/mach-imx/mach-mx31_3ds.c +++ b/arch/arm/mach-imx/mach-mx31_3ds.c @@ -689,6 +689,8 @@ static void __init mx31_3ds_init(void) { int ret; + imx31_soc_init(); + mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins), "mx31_3ds"); diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c index f4dee02..0ce4947 100644 --- a/arch/arm/mach-imx/mach-mx31ads.c +++ b/arch/arm/mach-imx/mach-mx31ads.c @@ -516,6 +516,8 @@ static void __init mx31ads_init_irq(void) static void __init mx31ads_init(void) { + imx31_soc_init(); + mxc_init_extuart(); mxc_init_imx_uart(); mxc_init_i2c(); diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c index 410e676..750368d 100644 --- a/arch/arm/mach-imx/mach-mx31lilly.c +++ b/arch/arm/mach-imx/mach-mx31lilly.c @@ -243,6 +243,8 @@ core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); static void __init mx31lilly_board_init(void) { + imx31_soc_init(); + switch (mx31lilly_baseboard) { case MX31LILLY_NOBOARD: break; diff --git a/arch/arm/mach-imx/mach-mx31lite.c b/arch/arm/mach-imx/mach-mx31lite.c index ac9b4ca..4b47fd9 100644 --- a/arch/arm/mach-imx/mach-mx31lite.c +++ b/arch/arm/mach-imx/mach-mx31lite.c @@ -230,6 +230,8 @@ static void __init mx31lite_init(void) { int ret; + imx31_soc_init(); + switch (mx31lite_baseboard) { case MX31LITE_NOBOARD: break; diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c index eaa51e4..a52fd36 100644 --- a/arch/arm/mach-imx/mach-mx31moboard.c +++ b/arch/arm/mach-imx/mach-mx31moboard.c @@ -507,6 +507,8 @@ core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); */ static void __init mx31moboard_init(void) { + imx31_soc_init(); + mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), "moboard"); diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c index 882880a..48b3c6f 100644 --- a/arch/arm/mach-imx/mach-mx35_3ds.c +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -179,6 +179,8 @@ static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = { */ static void __init mx35_3ds_init(void) { + imx35_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads)); imx35_add_fec(NULL); diff --git a/arch/arm/mach-imx/mach-mxt_td60.c b/arch/arm/mach-imx/mach-mxt_td60.c index 2774541..c85876f 100644 --- a/arch/arm/mach-imx/mach-mxt_td60.c +++ b/arch/arm/mach-imx/mach-mxt_td60.c @@ -233,6 +233,8 @@ static const struct imxuart_platform_data uart_pdata __initconst = { static void __init mxt_td60_board_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins), "MXT_TD60"); diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c index bbddc5a..71083aa 100644 --- a/arch/arm/mach-imx/mach-pca100.c +++ b/arch/arm/mach-imx/mach-pca100.c @@ -357,6 +357,8 @@ static void __init pca100_init(void) { int ret; + imx27_soc_init(); + /* SSI unit */ mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c index 89c213b..f45b7cd 100644 --- a/arch/arm/mach-imx/mach-pcm037.c +++ b/arch/arm/mach-imx/mach-pcm037.c @@ -576,6 +576,8 @@ static void __init pcm037_init(void) { int ret; + imx31_soc_init(); + mxc_iomux_set_gpr(MUX_PGP_UH2, 1); mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins), diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c index 853bb87..2d6a64b 100644 --- a/arch/arm/mach-imx/mach-pcm038.c +++ b/arch/arm/mach-imx/mach-pcm038.c @@ -295,6 +295,8 @@ static const struct mxc_usbh_platform_data usbh2_pdata __initconst = { static void __init pcm038_init(void) { + imx27_soc_init(); + mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), "PCM038"); diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c index 0264416..163cc318 100644 --- a/arch/arm/mach-imx/mach-pcm043.c +++ b/arch/arm/mach-imx/mach-pcm043.c @@ -356,6 +356,8 @@ static struct esdhc_platform_data sd1_pdata = { */ static void __init pcm043_init(void) { + imx35_soc_init(); + mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads)); mxc_audmux_v2_configure_port(3, diff --git a/arch/arm/mach-imx/mach-qong.c b/arch/arm/mach-imx/mach-qong.c index c1632871..3626f48 100644 --- a/arch/arm/mach-imx/mach-qong.c +++ b/arch/arm/mach-imx/mach-qong.c @@ -244,6 +244,8 @@ static void __init qong_init_fpga(void) */ static void __init qong_init(void) { + imx31_soc_init(); + mxc_init_imx_uart(); qong_init_nor_mtd(); qong_init_fpga(); diff --git a/arch/arm/mach-imx/mach-scb9328.c b/arch/arm/mach-imx/mach-scb9328.c index dcaee04..8280526 100644 --- a/arch/arm/mach-imx/mach-scb9328.c +++ b/arch/arm/mach-imx/mach-scb9328.c @@ -129,6 +129,8 @@ static struct platform_device *devices[] __initdata = { */ static void __init scb9328_init(void) { + imx1_soc_init(); + imx1_add_imx_uart0(&uart_pdata); printk(KERN_INFO"Scb9328: Adding devices\n"); diff --git a/arch/arm/mach-imx/mach-vpr200.c b/arch/arm/mach-imx/mach-vpr200.c index d74e347..7d8e012 100644 --- a/arch/arm/mach-imx/mach-vpr200.c +++ b/arch/arm/mach-imx/mach-vpr200.c @@ -267,6 +267,8 @@ static struct platform_device *devices[] __initdata = { */ static void __init vpr200_board_init(void) { + imx35_soc_init(); + mxc_iomux_v3_setup_multiple_pads(vpr200_pads, ARRAY_SIZE(vpr200_pads)); imx35_add_fec(NULL); diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c index 2e482ba..b486595 100644 --- a/arch/arm/mach-imx/mm-imx1.c +++ b/arch/arm/mach-imx/mm-imx1.c @@ -23,7 +23,6 @@ #include <mach/common.h> #include <mach/hardware.h> -#include <mach/gpio.h> #include <mach/irqs.h> #include <mach/iomux-v1.h> @@ -44,15 +43,15 @@ void __init imx1_init_early(void) MX1_NUM_GPIO_PORT); } -static struct mxc_gpio_port imx1_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ(MX1, 0, 1, MX1_GPIO_INT_PORTA), - DEFINE_IMX_GPIO_PORT_IRQ(MX1, 1, 2, MX1_GPIO_INT_PORTB), - DEFINE_IMX_GPIO_PORT_IRQ(MX1, 2, 3, MX1_GPIO_INT_PORTC), - DEFINE_IMX_GPIO_PORT_IRQ(MX1, 3, 4, MX1_GPIO_INT_PORTD), -}; - void __init mx1_init_irq(void) { mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR)); - mxc_gpio_init(imx1_gpio_ports, ARRAY_SIZE(imx1_gpio_ports)); +} + +void __init imx1_soc_init(void) +{ + mxc_register_gpio(0, MX1_GPIO1_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTA, 0); + mxc_register_gpio(1, MX1_GPIO2_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTB, 0); + mxc_register_gpio(2, MX1_GPIO3_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTC, 0); + mxc_register_gpio(3, MX1_GPIO4_BASE_ADDR, SZ_4K, MX1_GPIO_INT_PORTD, 0); } diff --git a/arch/arm/mach-imx/mm-imx21.c b/arch/arm/mach-imx/mm-imx21.c index 7a0c500..f0fb8bc 100644 --- a/arch/arm/mach-imx/mm-imx21.c +++ b/arch/arm/mach-imx/mm-imx21.c @@ -24,7 +24,6 @@ #include <mach/common.h> #include <asm/pgtable.h> #include <asm/mach/map.h> -#include <mach/gpio.h> #include <mach/irqs.h> #include <mach/iomux-v1.h> @@ -70,17 +69,17 @@ void __init imx21_init_early(void) MX21_NUM_GPIO_PORT); } -static struct mxc_gpio_port imx21_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ(MX21, 0, 1, MX21_INT_GPIO), - DEFINE_IMX_GPIO_PORT(MX21, 1, 2), - DEFINE_IMX_GPIO_PORT(MX21, 2, 3), - DEFINE_IMX_GPIO_PORT(MX21, 3, 4), - DEFINE_IMX_GPIO_PORT(MX21, 4, 5), - DEFINE_IMX_GPIO_PORT(MX21, 5, 6), -}; - void __init mx21_init_irq(void) { mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); - mxc_gpio_init(imx21_gpio_ports, ARRAY_SIZE(imx21_gpio_ports)); +} + +void __init imx21_soc_init(void) +{ + mxc_register_gpio(0, MX21_GPIO1_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); + mxc_register_gpio(1, MX21_GPIO2_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); + mxc_register_gpio(2, MX21_GPIO3_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); + mxc_register_gpio(3, MX21_GPIO4_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); + mxc_register_gpio(4, MX21_GPIO5_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); + mxc_register_gpio(5, MX21_GPIO6_BASE_ADDR, SZ_4K, MX21_INT_GPIO, 0); } diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c index 02f7b5c..1b6d583 100644 --- a/arch/arm/mach-imx/mm-imx25.c +++ b/arch/arm/mach-imx/mm-imx25.c @@ -27,7 +27,6 @@ #include <mach/hardware.h> #include <mach/mx25.h> #include <mach/iomux-v3.h> -#include <mach/gpio.h> #include <mach/irqs.h> /* @@ -57,16 +56,15 @@ void __init imx25_init_early(void) mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); } -static struct mxc_gpio_port imx25_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ(MX25, 0, 1, MX25_INT_GPIO1), - DEFINE_IMX_GPIO_PORT_IRQ(MX25, 1, 2, MX25_INT_GPIO2), - DEFINE_IMX_GPIO_PORT_IRQ(MX25, 2, 3, MX25_INT_GPIO3), - DEFINE_IMX_GPIO_PORT_IRQ(MX25, 3, 4, MX25_INT_GPIO4), -}; - void __init mx25_init_irq(void) { mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR)); - mxc_gpio_init(imx25_gpio_ports, ARRAY_SIZE(imx25_gpio_ports)); } +void __init imx25_soc_init(void) +{ + mxc_register_gpio(0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); + mxc_register_gpio(1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); + mxc_register_gpio(2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); + mxc_register_gpio(3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); +} diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c index a6761a3..d3700ce 100644 --- a/arch/arm/mach-imx/mm-imx27.c +++ b/arch/arm/mach-imx/mm-imx27.c @@ -24,7 +24,6 @@ #include <mach/common.h> #include <asm/pgtable.h> #include <asm/mach/map.h> -#include <mach/gpio.h> #include <mach/irqs.h> #include <mach/iomux-v1.h> @@ -70,17 +69,17 @@ void __init imx27_init_early(void) MX27_NUM_GPIO_PORT); } -static struct mxc_gpio_port imx27_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ(MX27, 0, 1, MX27_INT_GPIO), - DEFINE_IMX_GPIO_PORT(MX27, 1, 2), - DEFINE_IMX_GPIO_PORT(MX27, 2, 3), - DEFINE_IMX_GPIO_PORT(MX27, 3, 4), - DEFINE_IMX_GPIO_PORT(MX27, 4, 5), - DEFINE_IMX_GPIO_PORT(MX27, 5, 6), -}; - void __init mx27_init_irq(void) { mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR)); - mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports)); +} + +void __init imx27_soc_init(void) +{ + mxc_register_gpio(0, MX27_GPIO1_BASE_ADDR, SZ_4K, MX27_INT_GPIO, 0); + mxc_register_gpio(1, MX27_GPIO2_BASE_ADDR, SZ_4K, MX27_INT_GPIO, 0); + mxc_register_gpio(2, MX27_GPIO3_BASE_ADDR, SZ_4K, MX27_INT_GPIO, 0); + mxc_register_gpio(3, MX27_GPIO4_BASE_ADDR, SZ_4K, MX27_INT_GPIO, 0); + mxc_register_gpio(4, MX27_GPIO5_BASE_ADDR, SZ_4K, MX27_INT_GPIO, 0); + mxc_register_gpio(5, MX27_GPIO6_BASE_ADDR, SZ_4K, MX27_INT_GPIO, 0); } diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c index 86b9b45..cb16ac6 100644 --- a/arch/arm/mach-imx/mm-imx31.c +++ b/arch/arm/mach-imx/mm-imx31.c @@ -26,7 +26,6 @@ #include <mach/common.h> #include <mach/hardware.h> #include <mach/iomux-v3.h> -#include <mach/gpio.h> #include <mach/irqs.h> static struct map_desc mx31_io_desc[] __initdata = { @@ -53,14 +52,14 @@ void __init imx31_init_early(void) mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); } -static struct mxc_gpio_port imx31_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ(MX31, 0, 1, MX31_INT_GPIO1), - DEFINE_IMX_GPIO_PORT_IRQ(MX31, 1, 2, MX31_INT_GPIO2), - DEFINE_IMX_GPIO_PORT_IRQ(MX31, 2, 3, MX31_INT_GPIO3), -}; - void __init mx31_init_irq(void) { mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR)); - mxc_gpio_init(imx31_gpio_ports, ARRAY_SIZE(imx31_gpio_ports)); +} + +void __init imx31_soc_init(void) +{ + mxc_register_gpio(0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0); + mxc_register_gpio(1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0); + mxc_register_gpio(2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0); } diff --git a/arch/arm/mach-imx/mm-imx35.c b/arch/arm/mach-imx/mm-imx35.c index c880e6d..648bfca 100644 --- a/arch/arm/mach-imx/mm-imx35.c +++ b/arch/arm/mach-imx/mm-imx35.c @@ -27,7 +27,6 @@ #include <mach/common.h> #include <mach/hardware.h> #include <mach/iomux-v3.h> -#include <mach/gpio.h> #include <mach/irqs.h> static struct map_desc mx35_io_desc[] __initdata = { @@ -50,14 +49,14 @@ void __init imx35_init_early(void) mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR)); } -static struct mxc_gpio_port imx35_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ(MX35, 0, 1, MX35_INT_GPIO1), - DEFINE_IMX_GPIO_PORT_IRQ(MX35, 1, 2, MX35_INT_GPIO2), - DEFINE_IMX_GPIO_PORT_IRQ(MX35, 2, 3, MX35_INT_GPIO3), -}; - void __init mx35_init_irq(void) { mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR)); - mxc_gpio_init(imx35_gpio_ports, ARRAY_SIZE(imx35_gpio_ports)); +} + +void __init imx35_soc_init(void) +{ + mxc_register_gpio(0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0); + mxc_register_gpio(1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0); + mxc_register_gpio(2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0); } diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c index 4efa02e..add0d42 100644 --- a/arch/arm/mach-mx5/board-cpuimx51.c +++ b/arch/arm/mach-mx5/board-cpuimx51.c @@ -245,6 +245,8 @@ __setup("otg_mode=", eukrea_cpuimx51_otg_mode); */ static void __init eukrea_cpuimx51_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51_pads, ARRAY_SIZE(eukrea_cpuimx51_pads)); diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c index 5ef25a5..ff096d5 100644 --- a/arch/arm/mach-mx5/board-cpuimx51sd.c +++ b/arch/arm/mach-mx5/board-cpuimx51sd.c @@ -264,6 +264,8 @@ static struct platform_device *platform_devices[] __initdata = { static void __init eukrea_cpuimx51sd_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads, ARRAY_SIZE(eukrea_cpuimx51sd_pads)); diff --git a/arch/arm/mach-mx5/board-mx50_rdp.c b/arch/arm/mach-mx5/board-mx50_rdp.c index 11210e1..7de25c6 100644 --- a/arch/arm/mach-mx5/board-mx50_rdp.c +++ b/arch/arm/mach-mx5/board-mx50_rdp.c @@ -192,6 +192,8 @@ static const struct imxi2c_platform_data i2c_data __initconst = { */ static void __init mx50_rdp_board_init(void) { + imx50_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx50_rdp_pads, ARRAY_SIZE(mx50_rdp_pads)); diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c index 63dfbea..3112d15 100644 --- a/arch/arm/mach-mx5/board-mx51_3ds.c +++ b/arch/arm/mach-mx5/board-mx51_3ds.c @@ -135,6 +135,8 @@ static struct spi_board_info mx51_3ds_spi_nor_device[] = { */ static void __init mx51_3ds_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads, ARRAY_SIZE(mx51_3ds_pads)); diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index c7b3fab..6021dd0 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -340,6 +340,8 @@ static void __init mx51_babbage_init(void) iomux_v3_cfg_t power_key = _MX51_PAD_EIM_A27__GPIO2_21 | MUX_PAD_CTRL(PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP); + imx51_soc_init(); + #if defined(CONFIG_CPU_FREQ_IMX) get_cpu_op = mx51_get_cpu_op; #endif diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c index 6e36231..3be603b 100644 --- a/arch/arm/mach-mx5/board-mx51_efikamx.c +++ b/arch/arm/mach-mx5/board-mx51_efikamx.c @@ -236,6 +236,8 @@ late_initcall(mx51_efikamx_power_init); static void __init mx51_efikamx_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, ARRAY_SIZE(mx51efikamx_pads)); efika_board_common_init(); diff --git a/arch/arm/mach-mx5/board-mx51_efikasb.c b/arch/arm/mach-mx5/board-mx51_efikasb.c index 474fc6e..4b2e522 100644 --- a/arch/arm/mach-mx5/board-mx51_efikasb.c +++ b/arch/arm/mach-mx5/board-mx51_efikasb.c @@ -248,6 +248,8 @@ static void __init mx51_efikasb_board_id(void) static void __init efikasb_board_init(void) { + imx51_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx51efikasb_pads, ARRAY_SIZE(mx51efikasb_pads)); efika_board_common_init(); diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c index f87d571..0d9218a 100644 --- a/arch/arm/mach-mx5/board-mx53_evk.c +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -117,6 +117,8 @@ static const struct spi_imx_master mx53_evk_spi_data __initconst = { static void __init mx53_evk_board_init(void) { + imx53_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, ARRAY_SIZE(mx53_evk_pads)); mx53_evk_init_uart(); diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c index 1b947e8..359c3e2 100644 --- a/arch/arm/mach-mx5/board-mx53_loco.c +++ b/arch/arm/mach-mx5/board-mx53_loco.c @@ -227,6 +227,8 @@ static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = { static void __init mx53_loco_board_init(void) { + imx53_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, ARRAY_SIZE(mx53_loco_pads)); imx53_add_imx_uart(0, NULL); diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c index 817c089..bc02894 100644 --- a/arch/arm/mach-mx5/board-mx53_smd.c +++ b/arch/arm/mach-mx5/board-mx53_smd.c @@ -113,6 +113,8 @@ static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = { static void __init mx53_smd_board_init(void) { + imx53_soc_init(); + mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads, ARRAY_SIZE(mx53_smd_pads)); mx53_smd_init_uart(); diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index 153ada5..371ca8c 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -12,7 +12,6 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <linux/gpio.h> #include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/irqs.h> @@ -119,66 +118,3 @@ struct platform_device mxc_usbh2_device = { .coherent_dma_mask = DMA_BIT_MASK(32), }, }; - -static struct mxc_gpio_port mxc_gpio_ports[] = { - { - .chip.label = "gpio-0", - .base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO1_LOW, - .irq_high = MX51_MXC_INT_GPIO1_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START - }, - { - .chip.label = "gpio-1", - .base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO2_LOW, - .irq_high = MX51_MXC_INT_GPIO2_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1 - }, - { - .chip.label = "gpio-2", - .base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO3_LOW, - .irq_high = MX51_MXC_INT_GPIO3_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2 - }, - { - .chip.label = "gpio-3", - .base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR), - .irq = MX51_MXC_INT_GPIO4_LOW, - .irq_high = MX51_MXC_INT_GPIO4_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3 - }, - { - .chip.label = "gpio-4", - .base = MX53_IO_ADDRESS(MX53_GPIO5_BASE_ADDR), - .irq = MX53_INT_GPIO5_LOW, - .irq_high = MX53_INT_GPIO5_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 4 - }, - { - .chip.label = "gpio-5", - .base = MX53_IO_ADDRESS(MX53_GPIO6_BASE_ADDR), - .irq = MX53_INT_GPIO6_LOW, - .irq_high = MX53_INT_GPIO6_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 5 - }, - { - .chip.label = "gpio-6", - .base = MX53_IO_ADDRESS(MX53_GPIO7_BASE_ADDR), - .irq = MX53_INT_GPIO7_LOW, - .irq_high = MX53_INT_GPIO7_HIGH, - .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 6 - }, -}; - -int __init imx51_register_gpios(void) -{ - return mxc_gpio_init(mxc_gpio_ports, 4); -} - -int __init imx53_register_gpios(void) -{ - return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports)); -} - diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c index b9c363b..28c3f60 100644 --- a/arch/arm/mach-mx5/mm-mx50.c +++ b/arch/arm/mach-mx5/mm-mx50.c @@ -26,7 +26,6 @@ #include <mach/hardware.h> #include <mach/common.h> #include <mach/iomux-v3.h> -#include <mach/gpio.h> #include <mach/irqs.h> /* @@ -56,17 +55,17 @@ void __init imx50_init_early(void) mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR)); } -static struct mxc_gpio_port imx50_gpio_ports[] = { - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 0, 1, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 1, 2, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 2, 3, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 3, 4, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 4, 5, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 5, 6, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH), -}; - void __init mx50_init_irq(void) { tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR)); - mxc_gpio_init(imx50_gpio_ports, ARRAY_SIZE(imx50_gpio_ports)); +} + +void __init imx50_soc_init(void) +{ + mxc_register_gpio(0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); + mxc_register_gpio(1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); + mxc_register_gpio(2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); + mxc_register_gpio(3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); + mxc_register_gpio(4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); + mxc_register_gpio(5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); } diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index ff55730..800bb8b2 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -69,8 +69,6 @@ void __init imx53_init_early(void) mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR)); } -int imx51_register_gpios(void); - void __init mx51_init_irq(void) { unsigned long tzic_addr; @@ -86,11 +84,8 @@ void __init mx51_init_irq(void) panic("unable to map TZIC interrupt controller\n"); tzic_init_irq(tzic_virt); - imx51_register_gpios(); } -int imx53_register_gpios(void); - void __init mx53_init_irq(void) { unsigned long tzic_addr; @@ -103,5 +98,23 @@ void __init mx53_init_irq(void) panic("unable to map TZIC interrupt controller\n"); tzic_init_irq(tzic_virt); - imx53_register_gpios(); +} + +void __init imx51_soc_init(void) +{ + mxc_register_gpio(0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO1_LOW, MX51_MXC_INT_GPIO1_HIGH); + mxc_register_gpio(1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH); + mxc_register_gpio(2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH); + mxc_register_gpio(3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH); +} + +void __init imx53_soc_init(void) +{ + mxc_register_gpio(0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH); + mxc_register_gpio(1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH); + mxc_register_gpio(2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH); + mxc_register_gpio(3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH); + mxc_register_gpio(4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH); + mxc_register_gpio(5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH); + mxc_register_gpio(6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH); } diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 58e8923..6c38262 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -1,5 +1,5 @@ # Common support -obj-y := clock.o devices.o gpio.o icoll.o iomux.o system.o timer.o +obj-y := clock.o devices.o icoll.o iomux.o system.o timer.o obj-$(CONFIG_MXS_OCOTP) += ocotp.o obj-$(CONFIG_PM) += pm.o diff --git a/arch/arm/mach-mxs/devices.c b/arch/arm/mach-mxs/devices.c index cfdb6b2..fe3e847 100644 --- a/arch/arm/mach-mxs/devices.c +++ b/arch/arm/mach-mxs/devices.c @@ -88,3 +88,14 @@ int __init mxs_add_amba_device(const struct amba_device *dev) return amba_device_register(adev, &iomem_resource); } + +struct device mxs_apbh_bus = { + .init_name = "mxs_apbh", + .parent = &platform_bus, +}; + +static int __init mxs_device_init(void) +{ + return device_register(&mxs_apbh_bus); +} +core_initcall(mxs_device_init); diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index 324f282..351915c 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -6,4 +6,5 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o +obj-y += platform-gpio-mxs.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o diff --git a/arch/arm/mach-mxs/devices/platform-gpio-mxs.c b/arch/arm/mach-mxs/devices/platform-gpio-mxs.c new file mode 100644 index 0000000..ed0885e --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-gpio-mxs.c @@ -0,0 +1,53 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ +#include <linux/compiler.h> +#include <linux/err.h> +#include <linux/init.h> + +#include <mach/mx23.h> +#include <mach/mx28.h> +#include <mach/devices-common.h> + +struct platform_device *__init mxs_add_gpio( + int id, resource_size_t iobase, int irq) +{ + struct resource res[] = { + { + .start = iobase, + .end = iobase + SZ_8K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = irq, + .end = irq, + .flags = IORESOURCE_IRQ, + }, + }; + + return platform_device_register_resndata(&mxs_apbh_bus, + "gpio-mxs", id, res, ARRAY_SIZE(res), NULL, 0); +} + +static int __init mxs_add_mxs_gpio(void) +{ + if (cpu_is_mx23()) { + mxs_add_gpio(0, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO0); + mxs_add_gpio(1, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO1); + mxs_add_gpio(2, MX23_PINCTRL_BASE_ADDR, MX23_INT_GPIO2); + } + + if (cpu_is_mx28()) { + mxs_add_gpio(0, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO0); + mxs_add_gpio(1, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO1); + mxs_add_gpio(2, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO2); + mxs_add_gpio(3, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO3); + mxs_add_gpio(4, MX28_PINCTRL_BASE_ADDR, MX28_INT_GPIO4); + } + + return 0; +} +postcore_initcall(mxs_add_mxs_gpio); diff --git a/arch/arm/mach-mxs/gpio.c b/arch/arm/mach-mxs/gpio.c deleted file mode 100644 index 2c950fe..0000000 --- a/arch/arm/mach-mxs/gpio.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - * MXC GPIO support. (c) 2008 Daniel Mack <daniel@caiaq.de> - * Copyright 2008 Juergen Beisert, kernel@pengutronix.de - * - * Based on code from Freescale, - * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/gpio.h> -#include <mach/mx23.h> -#include <mach/mx28.h> -#include <asm-generic/bug.h> - -#include "gpio.h" - -static struct mxs_gpio_port *mxs_gpio_ports; -static int gpio_table_size; - -#define PINCTRL_DOUT(n) ((cpu_is_mx23() ? 0x0500 : 0x0700) + (n) * 0x10) -#define PINCTRL_DIN(n) ((cpu_is_mx23() ? 0x0600 : 0x0900) + (n) * 0x10) -#define PINCTRL_DOE(n) ((cpu_is_mx23() ? 0x0700 : 0x0b00) + (n) * 0x10) -#define PINCTRL_PIN2IRQ(n) ((cpu_is_mx23() ? 0x0800 : 0x1000) + (n) * 0x10) -#define PINCTRL_IRQEN(n) ((cpu_is_mx23() ? 0x0900 : 0x1100) + (n) * 0x10) -#define PINCTRL_IRQLEV(n) ((cpu_is_mx23() ? 0x0a00 : 0x1200) + (n) * 0x10) -#define PINCTRL_IRQPOL(n) ((cpu_is_mx23() ? 0x0b00 : 0x1300) + (n) * 0x10) -#define PINCTRL_IRQSTAT(n) ((cpu_is_mx23() ? 0x0c00 : 0x1400) + (n) * 0x10) - -#define GPIO_INT_FALL_EDGE 0x0 -#define GPIO_INT_LOW_LEV 0x1 -#define GPIO_INT_RISE_EDGE 0x2 -#define GPIO_INT_HIGH_LEV 0x3 -#define GPIO_INT_LEV_MASK (1 << 0) -#define GPIO_INT_POL_MASK (1 << 1) - -/* Note: This driver assumes 32 GPIOs are handled in one register */ - -static void clear_gpio_irqstatus(struct mxs_gpio_port *port, u32 index) -{ - __mxs_clrl(1 << index, port->base + PINCTRL_IRQSTAT(port->id)); -} - -static void set_gpio_irqenable(struct mxs_gpio_port *port, u32 index, - int enable) -{ - if (enable) { - __mxs_setl(1 << index, port->base + PINCTRL_IRQEN(port->id)); - __mxs_setl(1 << index, port->base + PINCTRL_PIN2IRQ(port->id)); - } else { - __mxs_clrl(1 << index, port->base + PINCTRL_IRQEN(port->id)); - } -} - -static void mxs_gpio_ack_irq(struct irq_data *d) -{ - u32 gpio = irq_to_gpio(d->irq); - clear_gpio_irqstatus(&mxs_gpio_ports[gpio / 32], gpio & 0x1f); -} - -static void mxs_gpio_mask_irq(struct irq_data *d) -{ - u32 gpio = irq_to_gpio(d->irq); - set_gpio_irqenable(&mxs_gpio_ports[gpio / 32], gpio & 0x1f, 0); -} - -static void mxs_gpio_unmask_irq(struct irq_data *d) -{ - u32 gpio = irq_to_gpio(d->irq); - set_gpio_irqenable(&mxs_gpio_ports[gpio / 32], gpio & 0x1f, 1); -} - -static int mxs_gpio_get(struct gpio_chip *chip, unsigned offset); - -static int mxs_gpio_set_irq_type(struct irq_data *d, unsigned int type) -{ - u32 gpio = irq_to_gpio(d->irq); - u32 pin_mask = 1 << (gpio & 31); - struct mxs_gpio_port *port = &mxs_gpio_ports[gpio / 32]; - void __iomem *pin_addr; - int edge; - - switch (type) { - case IRQ_TYPE_EDGE_RISING: - edge = GPIO_INT_RISE_EDGE; - break; - case IRQ_TYPE_EDGE_FALLING: - edge = GPIO_INT_FALL_EDGE; - break; - case IRQ_TYPE_LEVEL_LOW: - edge = GPIO_INT_LOW_LEV; - break; - case IRQ_TYPE_LEVEL_HIGH: - edge = GPIO_INT_HIGH_LEV; - break; - default: - return -EINVAL; - } - - /* set level or edge */ - pin_addr = port->base + PINCTRL_IRQLEV(port->id); - if (edge & GPIO_INT_LEV_MASK) - __mxs_setl(pin_mask, pin_addr); - else - __mxs_clrl(pin_mask, pin_addr); - - /* set polarity */ - pin_addr = port->base + PINCTRL_IRQPOL(port->id); - if (edge & GPIO_INT_POL_MASK) - __mxs_setl(pin_mask, pin_addr); - else - __mxs_clrl(pin_mask, pin_addr); - - clear_gpio_irqstatus(port, gpio & 0x1f); - - return 0; -} - -/* MXS has one interrupt *per* gpio port */ -static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) -{ - u32 irq_stat; - struct mxs_gpio_port *port = (struct mxs_gpio_port *)irq_get_handler_data(irq); - u32 gpio_irq_no_base = port->virtual_irq_start; - - desc->irq_data.chip->irq_ack(&desc->irq_data); - - irq_stat = __raw_readl(port->base + PINCTRL_IRQSTAT(port->id)) & - __raw_readl(port->base + PINCTRL_IRQEN(port->id)); - - while (irq_stat != 0) { - int irqoffset = fls(irq_stat) - 1; - generic_handle_irq(gpio_irq_no_base + irqoffset); - irq_stat &= ~(1 << irqoffset); - } -} - -/* - * Set interrupt number "irq" in the GPIO as a wake-up source. - * While system is running, all registered GPIO interrupts need to have - * wake-up enabled. When system is suspended, only selected GPIO interrupts - * need to have wake-up enabled. - * @param irq interrupt source number - * @param enable enable as wake-up if equal to non-zero - * @return This function returns 0 on success. - */ -static int mxs_gpio_set_wake_irq(struct irq_data *d, unsigned int enable) -{ - u32 gpio = irq_to_gpio(d->irq); - u32 gpio_idx = gpio & 0x1f; - struct mxs_gpio_port *port = &mxs_gpio_ports[gpio / 32]; - - if (enable) { - if (port->irq_high && (gpio_idx >= 16)) - enable_irq_wake(port->irq_high); - else - enable_irq_wake(port->irq); - } else { - if (port->irq_high && (gpio_idx >= 16)) - disable_irq_wake(port->irq_high); - else - disable_irq_wake(port->irq); - } - - return 0; -} - -static struct irq_chip gpio_irq_chip = { - .name = "mxs gpio", - .irq_ack = mxs_gpio_ack_irq, - .irq_mask = mxs_gpio_mask_irq, - .irq_unmask = mxs_gpio_unmask_irq, - .irq_set_type = mxs_gpio_set_irq_type, - .irq_set_wake = mxs_gpio_set_wake_irq, -}; - -static void mxs_set_gpio_direction(struct gpio_chip *chip, unsigned offset, - int dir) -{ - struct mxs_gpio_port *port = - container_of(chip, struct mxs_gpio_port, chip); - void __iomem *pin_addr = port->base + PINCTRL_DOE(port->id); - - if (dir) - __mxs_setl(1 << offset, pin_addr); - else - __mxs_clrl(1 << offset, pin_addr); -} - -static int mxs_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct mxs_gpio_port *port = - container_of(chip, struct mxs_gpio_port, chip); - - return (__raw_readl(port->base + PINCTRL_DIN(port->id)) >> offset) & 1; -} - -static void mxs_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - struct mxs_gpio_port *port = - container_of(chip, struct mxs_gpio_port, chip); - void __iomem *pin_addr = port->base + PINCTRL_DOUT(port->id); - - if (value) - __mxs_setl(1 << offset, pin_addr); - else - __mxs_clrl(1 << offset, pin_addr); -} - -static int mxs_gpio_to_irq(struct gpio_chip *chip, unsigned offset) -{ - struct mxs_gpio_port *port = - container_of(chip, struct mxs_gpio_port, chip); - - return port->virtual_irq_start + offset; -} - -static int mxs_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -{ - mxs_set_gpio_direction(chip, offset, 0); - return 0; -} - -static int mxs_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - mxs_gpio_set(chip, offset, value); - mxs_set_gpio_direction(chip, offset, 1); - return 0; -} - -int __init mxs_gpio_init(struct mxs_gpio_port *port, int cnt) -{ - int i, j; - - /* save for local usage */ - mxs_gpio_ports = port; - gpio_table_size = cnt; - - pr_info("MXS GPIO hardware\n"); - - for (i = 0; i < cnt; i++) { - /* disable the interrupt and clear the status */ - __raw_writel(0, port[i].base + PINCTRL_PIN2IRQ(i)); - __raw_writel(0, port[i].base + PINCTRL_IRQEN(i)); - - /* clear address has to be used to clear IRQSTAT bits */ - __mxs_clrl(~0U, port[i].base + PINCTRL_IRQSTAT(i)); - - for (j = port[i].virtual_irq_start; - j < port[i].virtual_irq_start + 32; j++) { - irq_set_chip_and_handler(j, &gpio_irq_chip, - handle_level_irq); - set_irq_flags(j, IRQF_VALID); - } - - /* setup one handler for each entry */ - irq_set_chained_handler(port[i].irq, mxs_gpio_irq_handler); - irq_set_handler_data(port[i].irq, &port[i]); - - /* register gpio chip */ - port[i].chip.direction_input = mxs_gpio_direction_input; - port[i].chip.direction_output = mxs_gpio_direction_output; - port[i].chip.get = mxs_gpio_get; - port[i].chip.set = mxs_gpio_set; - port[i].chip.to_irq = mxs_gpio_to_irq; - port[i].chip.base = i * 32; - port[i].chip.ngpio = 32; - - /* its a serious configuration bug when it fails */ - BUG_ON(gpiochip_add(&port[i].chip) < 0); - } - - return 0; -} - -#define MX23_GPIO_BASE MX23_IO_ADDRESS(MX23_PINCTRL_BASE_ADDR) -#define MX28_GPIO_BASE MX28_IO_ADDRESS(MX28_PINCTRL_BASE_ADDR) - -#define DEFINE_MXS_GPIO_PORT(_base, _irq, _id) \ - { \ - .chip.label = "gpio-" #_id, \ - .id = _id, \ - .irq = _irq, \ - .base = _base, \ - .virtual_irq_start = MXS_GPIO_IRQ_START + (_id) * 32, \ - } - -#ifdef CONFIG_SOC_IMX23 -static struct mxs_gpio_port mx23_gpio_ports[] = { - DEFINE_MXS_GPIO_PORT(MX23_GPIO_BASE, MX23_INT_GPIO0, 0), - DEFINE_MXS_GPIO_PORT(MX23_GPIO_BASE, MX23_INT_GPIO1, 1), - DEFINE_MXS_GPIO_PORT(MX23_GPIO_BASE, MX23_INT_GPIO2, 2), -}; - -int __init mx23_register_gpios(void) -{ - return mxs_gpio_init(mx23_gpio_ports, ARRAY_SIZE(mx23_gpio_ports)); -} -#endif - -#ifdef CONFIG_SOC_IMX28 -static struct mxs_gpio_port mx28_gpio_ports[] = { - DEFINE_MXS_GPIO_PORT(MX28_GPIO_BASE, MX28_INT_GPIO0, 0), - DEFINE_MXS_GPIO_PORT(MX28_GPIO_BASE, MX28_INT_GPIO1, 1), - DEFINE_MXS_GPIO_PORT(MX28_GPIO_BASE, MX28_INT_GPIO2, 2), - DEFINE_MXS_GPIO_PORT(MX28_GPIO_BASE, MX28_INT_GPIO3, 3), - DEFINE_MXS_GPIO_PORT(MX28_GPIO_BASE, MX28_INT_GPIO4, 4), -}; - -int __init mx28_register_gpios(void) -{ - return mxs_gpio_init(mx28_gpio_ports, ARRAY_SIZE(mx28_gpio_ports)); -} -#endif diff --git a/arch/arm/mach-mxs/gpio.h b/arch/arm/mach-mxs/gpio.h deleted file mode 100644 index 005bb06..0000000 --- a/arch/arm/mach-mxs/gpio.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2008 Juergen Beisert, kernel@pengutronix.de - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#ifndef __MXS_GPIO_H__ -#define __MXS_GPIO_H__ - -struct mxs_gpio_port { - void __iomem *base; - int id; - int irq; - int irq_high; - int virtual_irq_start; - struct gpio_chip chip; -}; - -int mxs_gpio_init(struct mxs_gpio_port*, int); - -#endif /* __MXS_GPIO_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index 7a37469..812d7a8 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -11,6 +11,8 @@ #include <linux/init.h> #include <linux/amba/bus.h> +extern struct device mxs_apbh_bus; + struct platform_device *mxs_add_platform_device_dmamask( const char *name, int id, const struct resource *res, unsigned int num_resources, diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index eacdc6b..56767a5 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -26,7 +26,6 @@ #include <mach/iomux-mx28.h> #include "devices-mx28.h" -#include "gpio.h" #define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13) #define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15) diff --git a/arch/arm/mach-mxs/mm-mx23.c b/arch/arm/mach-mxs/mm-mx23.c index 5148cd6..1b2345a 100644 --- a/arch/arm/mach-mxs/mm-mx23.c +++ b/arch/arm/mach-mxs/mm-mx23.c @@ -41,5 +41,4 @@ void __init mx23_map_io(void) void __init mx23_init_irq(void) { icoll_init_irq(); - mx23_register_gpios(); } diff --git a/arch/arm/mach-mxs/mm-mx28.c b/arch/arm/mach-mxs/mm-mx28.c index 7e4cea3..b6e18dd 100644 --- a/arch/arm/mach-mxs/mm-mx28.c +++ b/arch/arm/mach-mxs/mm-mx28.c @@ -41,5 +41,4 @@ void __init mx28_map_io(void) void __init mx28_init_irq(void) { icoll_init_irq(); - mx28_register_gpios(); } diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index a138787..d53c35f 100644 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile @@ -3,7 +3,7 @@ # # Common support -obj-y := clock.o gpio.o time.o devices.o cpu.o system.o irq-common.o +obj-y := clock.o time.o devices.o cpu.o system.o irq-common.o # MX51 uses the TZIC interrupt controller, older platforms use AVIC obj-$(CONFIG_MXC_TZIC) += tzic.o diff --git a/arch/arm/plat-mxc/devices.c b/arch/arm/plat-mxc/devices.c index eee1b609..fb166b2 100644 --- a/arch/arm/plat-mxc/devices.c +++ b/arch/arm/plat-mxc/devices.c @@ -89,3 +89,14 @@ err: return pdev; } + +struct device mxc_aips_bus = { + .init_name = "mxc_aips", + .parent = &platform_bus, +}; + +static int __init mxc_device_init(void) +{ + return device_register(&mxc_aips_bus); +} +core_initcall(mxc_device_init); diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile index ad2922a..b41bf97 100644 --- a/arch/arm/plat-mxc/devices/Makefile +++ b/arch/arm/plat-mxc/devices/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_FEC) += platform-fec.o obj-$(CONFIG_IMX_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o obj-$(CONFIG_IMX_HAVE_PLATFORM_FSL_USB2_UDC) += platform-fsl-usb2-udc.o obj-$(CONFIG_IMX_HAVE_PLATFORM_GPIO_KEYS) += platform-gpio_keys.o +obj-y += platform-gpio-mxc.o obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX21_HCD) += platform-imx21-hcd.o obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT) += platform-imx2-wdt.o obj-$(CONFIG_IMX_HAVE_PLATFORM_IMXDI_RTC) += platform-imxdi_rtc.o diff --git a/arch/arm/plat-mxc/devices/platform-gpio-mxc.c b/arch/arm/plat-mxc/devices/platform-gpio-mxc.c new file mode 100644 index 0000000..cf1b7fd --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-gpio-mxc.c @@ -0,0 +1,32 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2011 Linaro Limited + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ +#include <mach/devices-common.h> + +struct platform_device *__init mxc_register_gpio(int id, + resource_size_t iobase, resource_size_t iosize, int irq, int irq_high) +{ + struct resource res[] = { + { + .start = iobase, + .end = iobase + iosize - 1, + .flags = IORESOURCE_MEM, + }, { + .start = irq, + .end = irq, + .flags = IORESOURCE_IRQ, + }, { + .start = irq_high, + .end = irq_high, + .flags = IORESOURCE_IRQ, + }, + }; + + return platform_device_register_resndata(&mxc_aips_bus, + "gpio-mxc", id, res, ARRAY_SIZE(res), NULL, 0); +} diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index da79918..91fa263 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -43,6 +43,15 @@ extern void mx35_init_irq(void); extern void mx50_init_irq(void); extern void mx51_init_irq(void); extern void mx53_init_irq(void); +extern void imx1_soc_init(void); +extern void imx21_soc_init(void); +extern void imx25_soc_init(void); +extern void imx27_soc_init(void); +extern void imx31_soc_init(void); +extern void imx35_soc_init(void); +extern void imx50_soc_init(void); +extern void imx51_soc_init(void); +extern void imx53_soc_init(void); extern void epit_timer_init(struct clk *timer_clk, void __iomem *base, int irq); extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int); extern int mx1_clocks_init(unsigned long fref); @@ -55,7 +64,8 @@ extern int mx51_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); -extern int mxc_register_gpios(void); +extern struct platform_device *mxc_register_gpio(int id, + resource_size_t iobase, resource_size_t iosize, int irq, int irq_high); extern int mxc_register_device(struct platform_device *pdev, void *data); extern void mxc_set_cpu_type(unsigned int type); extern void mxc_arch_reset_init(void __iomem *); diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h index fa84773..03f6266 100644 --- a/arch/arm/plat-mxc/include/mach/devices-common.h +++ b/arch/arm/plat-mxc/include/mach/devices-common.h @@ -10,6 +10,8 @@ #include <linux/platform_device.h> #include <linux/init.h> +extern struct device mxc_aips_bus; + struct platform_device *imx_add_platform_device_dmamask( const char *name, int id, const struct resource *res, unsigned int num_resources, diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h index a2747f1..31c820c 100644 --- a/arch/arm/plat-mxc/include/mach/gpio.h +++ b/arch/arm/plat-mxc/include/mach/gpio.h @@ -36,31 +36,4 @@ #define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio)) #define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) -struct mxc_gpio_port { - void __iomem *base; - int irq; - int irq_high; - int virtual_irq_start; - struct gpio_chip chip; - u32 both_edges; - spinlock_t lock; -}; - -#define DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, _irq_high) \ - { \ - .chip.label = "gpio-" #_id, \ - .irq = _irq, \ - .irq_high = _irq_high, \ - .base = soc ## _IO_ADDRESS( \ - soc ## _GPIO ## _hwid ## _BASE_ADDR), \ - .virtual_irq_start = MXC_GPIO_IRQ_START + (_id) * 32, \ - } - -#define DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, _irq) \ - DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, 0) -#define DEFINE_IMX_GPIO_PORT(soc, _id, _hwid) \ - DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, 0) - -int mxc_gpio_init(struct mxc_gpio_port*, int); - #endif diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 2967002..9f06e63 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -63,6 +63,9 @@ config GPIO_SYSFS Kernel drivers may also request that a particular GPIO be exported to userspace; this can be useful when debugging. +config GPIO_GENERIC + tristate + # put drivers in the right section, in alphabetical order config GPIO_MAX730X @@ -70,26 +73,38 @@ config GPIO_MAX730X comment "Memory mapped GPIO drivers:" -config GPIO_BASIC_MMIO_CORE - tristate - help - Provides core functionality for basic memory-mapped GPIO controllers. - -config GPIO_BASIC_MMIO - tristate "Basic memory-mapped GPIO controllers support" - select GPIO_BASIC_MMIO_CORE +config GPIO_GENERIC_PLATFORM + tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" + select GPIO_GENERIC help - Say yes here to support basic memory-mapped GPIO controllers. + Say yes here to support basic platform_device memory-mapped GPIO controllers. config GPIO_IT8761E tristate "IT8761E GPIO support" help Say yes here to support GPIO functionality of IT8761E super I/O chip. +config GPIO_EP93XX + def_bool y + depends on ARCH_EP93XX + select GPIO_GENERIC + config GPIO_EXYNOS4 def_bool y depends on CPU_EXYNOS4210 +config GPIO_MXC + def_bool y + depends on ARCH_MXC + select GPIO_GENERIC + select GENERIC_IRQ_CHIP + +config GPIO_MXS + def_bool y + depends on ARCH_MXS + select GPIO_GENERIC + select GENERIC_IRQ_CHIP + config GPIO_PLAT_SAMSUNG def_bool y depends on SAMSUNG_GPIOLIB_4BIT @@ -137,9 +152,6 @@ config GPIO_SCH The Intel Tunnel Creek processor has 5 GPIOs powered by the core power rail and 9 from suspend power supply. - This driver can also be built as a module. If so, the module - will be called sch-gpio. - config GPIO_VX855 tristate "VIA VX855/VX875 GPIO" depends on MFD_SUPPORT && PCI @@ -202,9 +214,6 @@ config GPIO_PCA953X 16 bits: pca9535, pca9539, pca9555, tca6416 - This driver can also be built as a module. If so, the module - will be called pca953x. - config GPIO_PCA953X_IRQ bool "Interrupt controller support for PCA953x" depends on GPIO_PCA953X=y @@ -296,17 +305,12 @@ config GPIO_ADP5520 This option enables support for on-chip GPIO found on Analog Devices ADP5520 PMICs. - To compile this driver as a module, choose M here: the module will - be called adp5520-gpio. - config GPIO_ADP5588 tristate "ADP5588 I2C GPIO expander" depends on I2C help This option enables support for 18 GPIOs found on Analog Devices ADP5588 GPIO Expanders. - To compile this driver as a module, choose M here: the module will be - called adp5588-gpio. config GPIO_ADP5588_IRQ bool "Interrupt controller support for ADP5588" @@ -428,9 +432,6 @@ config GPIO_UCB1400 This enables support for the Philips UCB1400 GPIO pins. The UCB1400 is an AC97 audio codec. - To compile this driver as a module, choose M here: the - module will be called ucb1400_gpio. - comment "MODULbus GPIO expanders:" config GPIO_JANZ_TTL @@ -441,7 +442,7 @@ config GPIO_JANZ_TTL This driver provides support for driving the pins in output mode only. Input mode is not supported. -config AB8500_GPIO +config GPIO_AB8500 bool "ST-Ericsson AB8500 Mixed Signal Circuit gpio functions" depends on AB8500_CORE && BROKEN help diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 85d85a3..0fbdd75 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -4,48 +4,54 @@ ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG obj-$(CONFIG_GPIOLIB) += gpiolib.o -obj-$(CONFIG_GPIO_ADP5520) += adp5520-gpio.o -obj-$(CONFIG_GPIO_ADP5588) += adp5588-gpio.o -obj-$(CONFIG_GPIO_BASIC_MMIO_CORE) += basic_mmio_gpio.o -obj-$(CONFIG_GPIO_BASIC_MMIO) += basic_mmio_gpio.o +# Device drivers. Generally keep list sorted alphabetically +obj-$(CONFIG_GPIO_GENERIC) += gpio-generic.o + +obj-$(CONFIG_GPIO_74X164) += gpio-74x164.o +obj-$(CONFIG_GPIO_AB8500) += gpio-ab8500.o +obj-$(CONFIG_GPIO_ADP5520) += gpio-adp5520.o +obj-$(CONFIG_GPIO_ADP5588) += gpio-adp5588.o +obj-$(CONFIG_GPIO_BT8XX) += gpio-bt8xx.o +obj-$(CONFIG_GPIO_CS5535) += gpio-cs5535.o +obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o obj-$(CONFIG_GPIO_EXYNOS4) += gpio-exynos4.o +obj-$(CONFIG_GPIO_IT8761E) += gpio-it8761e.o +obj-$(CONFIG_GPIO_JANZ_TTL) += gpio-janz-ttl.o +obj-$(CONFIG_GPIO_LANGWELL) += gpio-langwell.o +obj-$(CONFIG_GPIO_MAX730X) += gpio-max730x.o +obj-$(CONFIG_GPIO_MAX7300) += gpio-max7300.o +obj-$(CONFIG_GPIO_MAX7301) += gpio-max7301.o +obj-$(CONFIG_GPIO_MAX732X) += gpio-max732x.o +obj-$(CONFIG_GPIO_MC33880) += gpio-mc33880.o +obj-$(CONFIG_GPIO_MCP23S08) += gpio-mcp23s08.o +obj-$(CONFIG_GPIO_ML_IOH) += gpio-ml-ioh.o +obj-$(CONFIG_GPIO_MXC) += gpio-mxc.o +obj-$(CONFIG_GPIO_MXS) += gpio-mxs.o +obj-$(CONFIG_PLAT_NOMADIK) += gpio-nomadik.o +obj-$(CONFIG_ARCH_OMAP) += gpio-omap.o +obj-$(CONFIG_GPIO_PCA953X) += gpio-pca953x.o +obj-$(CONFIG_GPIO_PCF857X) += gpio-pcf857x.o +obj-$(CONFIG_GPIO_PCH) += gpio-pch.o +obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o +obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o + obj-$(CONFIG_GPIO_PLAT_SAMSUNG) += gpio-plat-samsung.o obj-$(CONFIG_GPIO_S5PC100) += gpio-s5pc100.o obj-$(CONFIG_GPIO_S5PV210) += gpio-s5pv210.o -obj-$(CONFIG_GPIO_LANGWELL) += langwell_gpio.o -obj-$(CONFIG_GPIO_MAX730X) += max730x.o -obj-$(CONFIG_GPIO_MAX7300) += max7300.o -obj-$(CONFIG_GPIO_MAX7301) += max7301.o -obj-$(CONFIG_GPIO_MAX732X) += max732x.o -obj-$(CONFIG_GPIO_MC33880) += mc33880.o -obj-$(CONFIG_GPIO_MCP23S08) += mcp23s08.o -obj-$(CONFIG_GPIO_74X164) += 74x164.o -obj-$(CONFIG_ARCH_OMAP) += gpio-omap.o -obj-$(CONFIG_GPIO_PCA953X) += pca953x.o -obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o -obj-$(CONFIG_GPIO_PCH) += pch_gpio.o -obj-$(CONFIG_GPIO_PL061) += pl061.o -obj-$(CONFIG_GPIO_STMPE) += stmpe-gpio.o -obj-$(CONFIG_GPIO_TC3589X) += tc3589x-gpio.o + +obj-$(CONFIG_GPIO_SCH) += gpio-sch.o +obj-$(CONFIG_GPIO_STMPE) += gpio-stmpe.o +obj-$(CONFIG_GPIO_SX150X) += gpio-sx150x.o +obj-$(CONFIG_GPIO_TC3589X) += gpio-tc3589x.o obj-$(CONFIG_ARCH_TEGRA) += gpio-tegra.o -obj-$(CONFIG_GPIO_TIMBERDALE) += timbgpio.o -obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o -obj-$(CONFIG_GPIO_UCB1400) += ucb1400_gpio.o -obj-$(CONFIG_GPIO_XILINX) += xilinx_gpio.o -obj-$(CONFIG_GPIO_CS5535) += cs5535-gpio.o -obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o -obj-$(CONFIG_GPIO_IT8761E) += it8761e_gpio.o -obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o -obj-$(CONFIG_GPIO_WM831X) += wm831x-gpio.o -obj-$(CONFIG_GPIO_WM8350) += wm8350-gpiolib.o -obj-$(CONFIG_GPIO_WM8994) += wm8994-gpio.o -obj-$(CONFIG_GPIO_SCH) += sch_gpio.o +obj-$(CONFIG_GPIO_TIMBERDALE) += gpio-timberdale.o +obj-$(CONFIG_GPIO_TPS65910) += gpio-tps65910.o +obj-$(CONFIG_GPIO_TWL4030) += gpio-twl4030.o obj-$(CONFIG_MACH_U300) += gpio-u300.o -obj-$(CONFIG_PLAT_NOMADIK) += gpio-nomadik.o -obj-$(CONFIG_GPIO_RDC321X) += rdc321x-gpio.o -obj-$(CONFIG_GPIO_JANZ_TTL) += janz-ttl.o -obj-$(CONFIG_GPIO_SX150X) += sx150x.o -obj-$(CONFIG_GPIO_VX855) += vx855_gpio.o -obj-$(CONFIG_GPIO_ML_IOH) += ml_ioh_gpio.o -obj-$(CONFIG_AB8500_GPIO) += ab8500-gpio.o -obj-$(CONFIG_GPIO_TPS65910) += tps65910-gpio.o +obj-$(CONFIG_GPIO_UCB1400) += gpio-ucb1400.o +obj-$(CONFIG_GPIO_VR41XX) += gpio-vr41xx.o +obj-$(CONFIG_GPIO_VX855) += gpio-vx855.o +obj-$(CONFIG_GPIO_WM831X) += gpio-wm831x.o +obj-$(CONFIG_GPIO_WM8350) += gpio-wm8350.o +obj-$(CONFIG_GPIO_WM8994) += gpio-wm8994.o +obj-$(CONFIG_GPIO_XILINX) += gpio-xilinx.o diff --git a/drivers/gpio/74x164.c b/drivers/gpio/gpio-74x164.c index 84e0702..ff525c0 100644 --- a/drivers/gpio/74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -16,9 +16,6 @@ #include <linux/gpio.h> #include <linux/slab.h> -#define GEN_74X164_GPIO_COUNT 8 - - struct gen_74x164_chip { struct spi_device *spi; struct gpio_chip gpio_chip; @@ -26,9 +23,7 @@ struct gen_74x164_chip { u8 port_config; }; -static void gen_74x164_set_value(struct gpio_chip *, unsigned, int); - -static struct gen_74x164_chip *gpio_to_chip(struct gpio_chip *gc) +static struct gen_74x164_chip *gpio_to_74x164_chip(struct gpio_chip *gc) { return container_of(gc, struct gen_74x164_chip, gpio_chip); } @@ -39,16 +34,9 @@ static int __gen_74x164_write_config(struct gen_74x164_chip *chip) &chip->port_config, sizeof(chip->port_config)); } -static int gen_74x164_direction_output(struct gpio_chip *gc, - unsigned offset, int val) -{ - gen_74x164_set_value(gc, offset, val); - return 0; -} - static int gen_74x164_get_value(struct gpio_chip *gc, unsigned offset) { - struct gen_74x164_chip *chip = gpio_to_chip(gc); + struct gen_74x164_chip *chip = gpio_to_74x164_chip(gc); int ret; mutex_lock(&chip->lock); @@ -61,7 +49,7 @@ static int gen_74x164_get_value(struct gpio_chip *gc, unsigned offset) static void gen_74x164_set_value(struct gpio_chip *gc, unsigned offset, int val) { - struct gen_74x164_chip *chip = gpio_to_chip(gc); + struct gen_74x164_chip *chip = gpio_to_74x164_chip(gc); mutex_lock(&chip->lock); if (val) @@ -73,6 +61,13 @@ static void gen_74x164_set_value(struct gpio_chip *gc, mutex_unlock(&chip->lock); } +static int gen_74x164_direction_output(struct gpio_chip *gc, + unsigned offset, int val) +{ + gen_74x164_set_value(gc, offset, val); + return 0; +} + static int __devinit gen_74x164_probe(struct spi_device *spi) { struct gen_74x164_chip *chip; @@ -104,12 +99,12 @@ static int __devinit gen_74x164_probe(struct spi_device *spi) chip->spi = spi; - chip->gpio_chip.label = GEN_74X164_DRIVER_NAME, - chip->gpio_chip.direction_output = gen_74x164_direction_output; + chip->gpio_chip.label = spi->modalias; + chip->gpio_chip.direction_output = gen_74x164_direction_output; chip->gpio_chip.get = gen_74x164_get_value; chip->gpio_chip.set = gen_74x164_set_value; chip->gpio_chip.base = pdata->base; - chip->gpio_chip.ngpio = GEN_74X164_GPIO_COUNT; + chip->gpio_chip.ngpio = 8; chip->gpio_chip.can_sleep = 1; chip->gpio_chip.dev = &spi->dev; chip->gpio_chip.owner = THIS_MODULE; @@ -157,7 +152,7 @@ static int __devexit gen_74x164_remove(struct spi_device *spi) static struct spi_driver gen_74x164_driver = { .driver = { - .name = GEN_74X164_DRIVER_NAME, + .name = "74x164", .owner = THIS_MODULE, }, .probe = gen_74x164_probe, diff --git a/drivers/gpio/ab8500-gpio.c b/drivers/gpio/gpio-ab8500.c index 970053c..970053c 100644 --- a/drivers/gpio/ab8500-gpio.c +++ b/drivers/gpio/gpio-ab8500.c diff --git a/drivers/gpio/adp5520-gpio.c b/drivers/gpio/gpio-adp5520.c index 9f27815..9f27815 100644 --- a/drivers/gpio/adp5520-gpio.c +++ b/drivers/gpio/gpio-adp5520.c diff --git a/drivers/gpio/adp5588-gpio.c b/drivers/gpio/gpio-adp5588.c index 3525ad9..3525ad9 100644 --- a/drivers/gpio/adp5588-gpio.c +++ b/drivers/gpio/gpio-adp5588.c diff --git a/drivers/gpio/bt8xxgpio.c b/drivers/gpio/gpio-bt8xx.c index aa4f09a..aa4f09a 100644 --- a/drivers/gpio/bt8xxgpio.c +++ b/drivers/gpio/gpio-bt8xx.c diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/gpio-cs5535.c index 6e16cba..6e16cba 100644 --- a/drivers/gpio/cs5535-gpio.c +++ b/drivers/gpio/gpio-cs5535.c diff --git a/arch/arm/mach-ep93xx/gpio.c b/drivers/gpio/gpio-ep93xx.c index 415dce3..3bfd341 100644 --- a/arch/arm/mach-ep93xx/gpio.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -1,9 +1,8 @@ /* - * linux/arch/arm/mach-ep93xx/gpio.c - * * Generic EP93xx GPIO handling * * Copyright (c) 2008 Ryan Mallon <ryan@bluewatersys.com> + * Copyright (c) 2011 H Hartley Sweeten <hsweeten@visionengravers.com> * * Based on code originally from: * linux/arch/arm/mach-ep93xx/core.c @@ -13,17 +12,23 @@ * published by the Free Software Foundation. */ -#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/init.h> -#include <linux/module.h> -#include <linux/seq_file.h> +#include <linux/platform_device.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/irq.h> +#include <linux/slab.h> +#include <linux/basic_mmio_gpio.h> #include <mach/hardware.h> +struct ep93xx_gpio { + void __iomem *mmio_base; + struct bgpio_chip bgc[8]; +}; + /************************************************************************* * Interrupt handling for EP93xx on-chip GPIOs *************************************************************************/ @@ -225,7 +230,7 @@ static struct irq_chip ep93xx_gpio_irq_chip = { .irq_set_type = ep93xx_gpio_irq_type, }; -void __init ep93xx_gpio_init_irq(void) +static void ep93xx_gpio_init_irq(void) { int gpio_irq; @@ -260,151 +265,141 @@ void __init ep93xx_gpio_init_irq(void) /************************************************************************* * gpiolib interface for EP93xx on-chip GPIOs *************************************************************************/ -struct ep93xx_gpio_chip { - struct gpio_chip chip; - - void __iomem *data_reg; - void __iomem *data_dir_reg; +struct ep93xx_gpio_bank { + const char *label; + int data; + int dir; + int base; + bool has_debounce; }; -#define to_ep93xx_gpio_chip(c) container_of(c, struct ep93xx_gpio_chip, chip) +#define EP93XX_GPIO_BANK(_label, _data, _dir, _base, _debounce) \ + { \ + .label = _label, \ + .data = _data, \ + .dir = _dir, \ + .base = _base, \ + .has_debounce = _debounce, \ + } + +static struct ep93xx_gpio_bank ep93xx_gpio_banks[] = { + EP93XX_GPIO_BANK("A", 0x00, 0x10, 0, true), + EP93XX_GPIO_BANK("B", 0x04, 0x14, 8, true), + EP93XX_GPIO_BANK("C", 0x08, 0x18, 40, false), + EP93XX_GPIO_BANK("D", 0x0c, 0x1c, 24, false), + EP93XX_GPIO_BANK("E", 0x20, 0x24, 32, false), + EP93XX_GPIO_BANK("F", 0x30, 0x34, 16, true), + EP93XX_GPIO_BANK("G", 0x38, 0x3c, 48, false), + EP93XX_GPIO_BANK("H", 0x40, 0x44, 56, false), +}; -static int ep93xx_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +static int ep93xx_gpio_set_debounce(struct gpio_chip *chip, + unsigned offset, unsigned debounce) { - struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); - unsigned long flags; - u8 v; + int gpio = chip->base + offset; + int irq = gpio_to_irq(gpio); + + if (irq < 0) + return -EINVAL; - local_irq_save(flags); - v = __raw_readb(ep93xx_chip->data_dir_reg); - v &= ~(1 << offset); - __raw_writeb(v, ep93xx_chip->data_dir_reg); - local_irq_restore(flags); + ep93xx_gpio_int_debounce(irq, debounce ? true : false); return 0; } -static int ep93xx_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int val) +static int ep93xx_gpio_add_bank(struct bgpio_chip *bgc, struct device *dev, + void __iomem *mmio_base, struct ep93xx_gpio_bank *bank) { - struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); - unsigned long flags; - int line; - u8 v; + void __iomem *data = mmio_base + bank->data; + void __iomem *dir = mmio_base + bank->dir; + int err; - local_irq_save(flags); + err = bgpio_init(bgc, dev, 1, data, NULL, NULL, dir, NULL, false); + if (err) + return err; - /* Set the value */ - v = __raw_readb(ep93xx_chip->data_reg); - if (val) - v |= (1 << offset); - else - v &= ~(1 << offset); - __raw_writeb(v, ep93xx_chip->data_reg); - - /* Drive as an output */ - line = chip->base + offset; - if (line <= EP93XX_GPIO_LINE_MAX_IRQ) { - /* Ports A/B/F */ - ep93xx_gpio_int_mask(line); - ep93xx_gpio_update_int_params(line >> 3); - } + bgc->gc.label = bank->label; + bgc->gc.base = bank->base; - v = __raw_readb(ep93xx_chip->data_dir_reg); - v |= (1 << offset); - __raw_writeb(v, ep93xx_chip->data_dir_reg); + if (bank->has_debounce) + bgc->gc.set_debounce = ep93xx_gpio_set_debounce; - local_irq_restore(flags); - - return 0; + return gpiochip_add(&bgc->gc); } -static int ep93xx_gpio_get(struct gpio_chip *chip, unsigned offset) +static int __devinit ep93xx_gpio_probe(struct platform_device *pdev) { - struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); + struct ep93xx_gpio *ep93xx_gpio; + struct resource *res; + void __iomem *mmio; + int i; + int ret; - return !!(__raw_readb(ep93xx_chip->data_reg) & (1 << offset)); -} + ep93xx_gpio = kzalloc(sizeof(*ep93xx_gpio), GFP_KERNEL); + if (!ep93xx_gpio) + return -ENOMEM; -static void ep93xx_gpio_set(struct gpio_chip *chip, unsigned offset, int val) -{ - struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); - unsigned long flags; - u8 v; - - local_irq_save(flags); - v = __raw_readb(ep93xx_chip->data_reg); - if (val) - v |= (1 << offset); - else - v &= ~(1 << offset); - __raw_writeb(v, ep93xx_chip->data_reg); - local_irq_restore(flags); -} + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + ret = -ENXIO; + goto exit_free; + } -static int ep93xx_gpio_set_debounce(struct gpio_chip *chip, - unsigned offset, unsigned debounce) -{ - int gpio = chip->base + offset; - int irq = gpio_to_irq(gpio); + if (!request_mem_region(res->start, resource_size(res), pdev->name)) { + ret = -EBUSY; + goto exit_free; + } - if (irq < 0) - return -EINVAL; + mmio = ioremap(res->start, resource_size(res)); + if (!mmio) { + ret = -ENXIO; + goto exit_release; + } + ep93xx_gpio->mmio_base = mmio; - ep93xx_gpio_int_debounce(irq, debounce ? true : false); + /* Default all ports to GPIO */ + ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS | + EP93XX_SYSCON_DEVCFG_GONK | + EP93XX_SYSCON_DEVCFG_EONIDE | + EP93XX_SYSCON_DEVCFG_GONIDE | + EP93XX_SYSCON_DEVCFG_HONIDE); - return 0; -} + for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) { + struct bgpio_chip *bgc = &ep93xx_gpio->bgc[i]; + struct ep93xx_gpio_bank *bank = &ep93xx_gpio_banks[i]; -#define EP93XX_GPIO_BANK(name, dr, ddr, base_gpio) \ - { \ - .chip = { \ - .label = name, \ - .direction_input = ep93xx_gpio_direction_input, \ - .direction_output = ep93xx_gpio_direction_output, \ - .get = ep93xx_gpio_get, \ - .set = ep93xx_gpio_set, \ - .base = base_gpio, \ - .ngpio = 8, \ - }, \ - .data_reg = EP93XX_GPIO_REG(dr), \ - .data_dir_reg = EP93XX_GPIO_REG(ddr), \ + if (ep93xx_gpio_add_bank(bgc, &pdev->dev, mmio, bank)) + dev_warn(&pdev->dev, "Unable to add gpio bank %s\n", + bank->label); } -static struct ep93xx_gpio_chip ep93xx_gpio_banks[] = { - EP93XX_GPIO_BANK("A", 0x00, 0x10, 0), - EP93XX_GPIO_BANK("B", 0x04, 0x14, 8), - EP93XX_GPIO_BANK("C", 0x08, 0x18, 40), - EP93XX_GPIO_BANK("D", 0x0c, 0x1c, 24), - EP93XX_GPIO_BANK("E", 0x20, 0x24, 32), - EP93XX_GPIO_BANK("F", 0x30, 0x34, 16), - EP93XX_GPIO_BANK("G", 0x38, 0x3c, 48), - EP93XX_GPIO_BANK("H", 0x40, 0x44, 56), -}; + ep93xx_gpio_init_irq(); -void __init ep93xx_gpio_init(void) -{ - int i; + return 0; - /* Set Ports C, D, E, G, and H for GPIO use */ - ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_KEYS | - EP93XX_SYSCON_DEVCFG_GONK | - EP93XX_SYSCON_DEVCFG_EONIDE | - EP93XX_SYSCON_DEVCFG_GONIDE | - EP93XX_SYSCON_DEVCFG_HONIDE); +exit_release: + release_mem_region(res->start, resource_size(res)); +exit_free: + kfree(ep93xx_gpio); + dev_info(&pdev->dev, "%s failed with errno %d\n", __func__, ret); + return ret; +} - for (i = 0; i < ARRAY_SIZE(ep93xx_gpio_banks); i++) { - struct gpio_chip *chip = &ep93xx_gpio_banks[i].chip; - - /* - * Ports A, B, and F support input debouncing when - * used as interrupts. - */ - if (!strcmp(chip->label, "A") || - !strcmp(chip->label, "B") || - !strcmp(chip->label, "F")) - chip->set_debounce = ep93xx_gpio_set_debounce; - - gpiochip_add(chip); - } +static struct platform_driver ep93xx_gpio_driver = { + .driver = { + .name = "gpio-ep93xx", + .owner = THIS_MODULE, + }, + .probe = ep93xx_gpio_probe, +}; + +static int __init ep93xx_gpio_init(void) +{ + return platform_driver_register(&ep93xx_gpio_driver); } +postcore_initcall(ep93xx_gpio_init); + +MODULE_AUTHOR("Ryan Mallon <ryan@bluewatersys.com> " + "H Hartley Sweeten <hsweeten@visionengravers.com>"); +MODULE_DESCRIPTION("EP93XX GPIO driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpio/gpio-exynos4.c b/drivers/gpio/gpio-exynos4.c index 9029835..d24b337 100644 --- a/drivers/gpio/gpio-exynos4.c +++ b/drivers/gpio/gpio-exynos4.c @@ -1,10 +1,9 @@ -/* linux/arch/arm/mach-exynos4/gpiolib.c +/* + * EXYNOS4 - GPIOlib support * * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com * - * EXYNOS4 - GPIOlib support - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. diff --git a/drivers/gpio/basic_mmio_gpio.c b/drivers/gpio/gpio-generic.c index 8152e9f5..231714d 100644 --- a/drivers/gpio/basic_mmio_gpio.c +++ b/drivers/gpio/gpio-generic.c @@ -1,5 +1,5 @@ /* - * Driver for basic memory-mapped GPIO controllers. + * Generic driver for memory-mapped GPIO controllers. * * Copyright 2008 MontaVista Software, Inc. * Copyright 2008,2010 Anton Vorontsov <cbouatmailru@gmail.com> @@ -404,7 +404,7 @@ int __devinit bgpio_init(struct bgpio_chip *bgc, } EXPORT_SYMBOL_GPL(bgpio_init); -#ifdef CONFIG_GPIO_BASIC_MMIO +#ifdef CONFIG_GPIO_GENERIC_PLATFORM static void __iomem *bgpio_map(struct platform_device *pdev, const char *name, @@ -541,7 +541,7 @@ static void __exit bgpio_platform_exit(void) } module_exit(bgpio_platform_exit); -#endif /* CONFIG_GPIO_BASIC_MMIO */ +#endif /* CONFIG_GPIO_GENERIC_PLATFORM */ MODULE_DESCRIPTION("Driver for basic memory-mapped GPIO controllers"); MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>"); diff --git a/drivers/gpio/it8761e_gpio.c b/drivers/gpio/gpio-it8761e.c index 48fc43c..278b813 100644 --- a/drivers/gpio/it8761e_gpio.c +++ b/drivers/gpio/gpio-it8761e.c @@ -1,5 +1,5 @@ /* - * it8761_gpio.c - GPIO interface for IT8761E Super I/O chip + * GPIO interface for IT8761E Super I/O chip * * Author: Denis Turischev <denis@compulab.co.il> * diff --git a/drivers/gpio/janz-ttl.c b/drivers/gpio/gpio-janz-ttl.c index 813ac07..813ac07 100644 --- a/drivers/gpio/janz-ttl.c +++ b/drivers/gpio/gpio-janz-ttl.c diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/gpio-langwell.c index bd6571e..e7a7ea7 100644 --- a/drivers/gpio/langwell_gpio.c +++ b/drivers/gpio/gpio-langwell.c @@ -1,4 +1,6 @@ -/* langwell_gpio.c Moorestown platform Langwell chip GPIO driver +/* + * Moorestown platform Langwell chip GPIO driver + * * Copyright (c) 2008 - 2009, Intel Corporation. * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/gpio/max7300.c b/drivers/gpio/gpio-max7300.c index 962f661..a5ca0ab 100644 --- a/drivers/gpio/max7300.c +++ b/drivers/gpio/gpio-max7300.c @@ -1,6 +1,4 @@ /* - * drivers/gpio/max7300.c - * * Copyright (C) 2009 Wolfram Sang, Pengutronix * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/gpio/max7301.c b/drivers/gpio/gpio-max7301.c index 92a100d..741acfc 100644 --- a/drivers/gpio/max7301.c +++ b/drivers/gpio/gpio-max7301.c @@ -1,6 +1,4 @@ /* - * drivers/gpio/max7301.c - * * Copyright (C) 2006 Juergen Beisert, Pengutronix * Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix * Copyright (C) 2009 Wolfram Sang, Pengutronix diff --git a/drivers/gpio/max730x.c b/drivers/gpio/gpio-max730x.c index 94ce773..05e2dac 100644 --- a/drivers/gpio/max730x.c +++ b/drivers/gpio/gpio-max730x.c @@ -1,6 +1,4 @@ /** - * drivers/gpio/max7301.c - * * Copyright (C) 2006 Juergen Beisert, Pengutronix * Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix * Copyright (C) 2009 Wolfram Sang, Pengutronix diff --git a/drivers/gpio/max732x.c b/drivers/gpio/gpio-max732x.c index ad6951e..9504120 100644 --- a/drivers/gpio/max732x.c +++ b/drivers/gpio/gpio-max732x.c @@ -1,5 +1,5 @@ /* - * max732x.c - I2C Port Expander with 8/16 I/O + * MAX732x I2C Port Expander with 8/16 I/O * * Copyright (C) 2007 Marvell International Ltd. * Copyright (C) 2008 Jack Ren <jack.ren@marvell.com> diff --git a/drivers/gpio/mc33880.c b/drivers/gpio/gpio-mc33880.c index 4ec7975..b3b4652 100644 --- a/drivers/gpio/mc33880.c +++ b/drivers/gpio/gpio-mc33880.c @@ -1,5 +1,5 @@ /* - * mc33880.c MC33880 high-side/low-side switch GPIO driver + * MC33880 high-side/low-side switch GPIO driver * Copyright (c) 2009 Intel Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 40e0760..0083ec0 100644 --- a/drivers/gpio/mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -1,5 +1,5 @@ /* - * mcp23s08.c - SPI gpio expander driver + * MCP23S08 SPI gpio expander driver */ #include <linux/kernel.h> diff --git a/drivers/gpio/ml_ioh_gpio.c b/drivers/gpio/gpio-ml-ioh.c index 1bc621a..1bc621a 100644 --- a/drivers/gpio/ml_ioh_gpio.c +++ b/drivers/gpio/gpio-ml-ioh.c diff --git a/arch/arm/plat-mxc/gpio.c b/drivers/gpio/gpio-mxc.c index 6cd6d7f..2f6a81b 100644 --- a/arch/arm/plat-mxc/gpio.c +++ b/drivers/gpio/gpio-mxc.c @@ -24,11 +24,28 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/basic_mmio_gpio.h> #include <mach/hardware.h> #include <asm-generic/bug.h> -static struct mxc_gpio_port *mxc_gpio_ports; -static int gpio_table_size; +struct mxc_gpio_port { + struct list_head node; + void __iomem *base; + int irq; + int irq_high; + int virtual_irq_start; + struct bgpio_chip bgc; + u32 both_edges; +}; + +/* + * MX2 has one interrupt *for all* gpio ports. The list is used + * to save the references to all ports, so that mx2_gpio_irq_handler + * can walk through all interrupt status registers. + */ +static LIST_HEAD(mxc_gpio_ports); #define cpu_is_mx1_mx2() (cpu_is_mx1() || cpu_is_mx2()) @@ -48,45 +65,11 @@ static int gpio_table_size; /* Note: This driver assumes 32 GPIOs are handled in one register */ -static void _clear_gpio_irqstatus(struct mxc_gpio_port *port, u32 index) -{ - __raw_writel(1 << index, port->base + GPIO_ISR); -} - -static void _set_gpio_irqenable(struct mxc_gpio_port *port, u32 index, - int enable) -{ - u32 l; - - l = __raw_readl(port->base + GPIO_IMR); - l = (l & (~(1 << index))) | (!!enable << index); - __raw_writel(l, port->base + GPIO_IMR); -} - -static void gpio_ack_irq(struct irq_data *d) -{ - u32 gpio = irq_to_gpio(d->irq); - _clear_gpio_irqstatus(&mxc_gpio_ports[gpio / 32], gpio & 0x1f); -} - -static void gpio_mask_irq(struct irq_data *d) -{ - u32 gpio = irq_to_gpio(d->irq); - _set_gpio_irqenable(&mxc_gpio_ports[gpio / 32], gpio & 0x1f, 0); -} - -static void gpio_unmask_irq(struct irq_data *d) -{ - u32 gpio = irq_to_gpio(d->irq); - _set_gpio_irqenable(&mxc_gpio_ports[gpio / 32], gpio & 0x1f, 1); -} - -static int mxc_gpio_get(struct gpio_chip *chip, unsigned offset); - static int gpio_set_irq_type(struct irq_data *d, u32 type) { u32 gpio = irq_to_gpio(d->irq); - struct mxc_gpio_port *port = &mxc_gpio_ports[gpio / 32]; + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct mxc_gpio_port *port = gc->private; u32 bit, val; int edge; void __iomem *reg = port->base; @@ -100,7 +83,7 @@ static int gpio_set_irq_type(struct irq_data *d, u32 type) edge = GPIO_INT_FALL_EDGE; break; case IRQ_TYPE_EDGE_BOTH: - val = mxc_gpio_get(&port->chip, gpio & 31); + val = gpio_get_value(gpio); if (val) { edge = GPIO_INT_LOW_LEV; pr_debug("mxc: set GPIO %d to low trigger\n", gpio); @@ -122,9 +105,9 @@ static int gpio_set_irq_type(struct irq_data *d, u32 type) reg += GPIO_ICR1 + ((gpio & 0x10) >> 2); /* lower or upper register */ bit = gpio & 0xf; - val = __raw_readl(reg) & ~(0x3 << (bit << 1)); - __raw_writel(val | (edge << (bit << 1)), reg); - _clear_gpio_irqstatus(port, gpio & 0x1f); + val = readl(reg) & ~(0x3 << (bit << 1)); + writel(val | (edge << (bit << 1)), reg); + writel(1 << (gpio & 0x1f), port->base + GPIO_ISR); return 0; } @@ -137,7 +120,7 @@ static void mxc_flip_edge(struct mxc_gpio_port *port, u32 gpio) reg += GPIO_ICR1 + ((gpio & 0x10) >> 2); /* lower or upper register */ bit = gpio & 0xf; - val = __raw_readl(reg); + val = readl(reg); edge = (val >> (bit << 1)) & 3; val &= ~(0x3 << (bit << 1)); if (edge == GPIO_INT_HIGH_LEV) { @@ -151,7 +134,7 @@ static void mxc_flip_edge(struct mxc_gpio_port *port, u32 gpio) gpio, edge); return; } - __raw_writel(val | (edge << (bit << 1)), reg); + writel(val | (edge << (bit << 1)), reg); } /* handle 32 interrupts in one status register */ @@ -177,8 +160,7 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) u32 irq_stat; struct mxc_gpio_port *port = irq_get_handler_data(irq); - irq_stat = __raw_readl(port->base + GPIO_ISR) & - __raw_readl(port->base + GPIO_IMR); + irq_stat = readl(port->base + GPIO_ISR) & readl(port->base + GPIO_IMR); mxc_gpio_irq_handler(port, irq_stat); } @@ -186,19 +168,18 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) /* MX2 has one interrupt *for all* gpio ports */ static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc) { - int i; u32 irq_msk, irq_stat; - struct mxc_gpio_port *port = irq_get_handler_data(irq); + struct mxc_gpio_port *port; /* walk through all interrupt status registers */ - for (i = 0; i < gpio_table_size; i++) { - irq_msk = __raw_readl(port[i].base + GPIO_IMR); + list_for_each_entry(port, &mxc_gpio_ports, node) { + irq_msk = readl(port->base + GPIO_IMR); if (!irq_msk) continue; - irq_stat = __raw_readl(port[i].base + GPIO_ISR) & irq_msk; + irq_stat = readl(port->base + GPIO_ISR) & irq_msk; if (irq_stat) - mxc_gpio_irq_handler(&port[i], irq_stat); + mxc_gpio_irq_handler(port, irq_stat); } } @@ -215,7 +196,8 @@ static int gpio_set_wake_irq(struct irq_data *d, u32 enable) { u32 gpio = irq_to_gpio(d->irq); u32 gpio_idx = gpio & 0x1F; - struct mxc_gpio_port *port = &mxc_gpio_ports[gpio / 32]; + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct mxc_gpio_port *port = gc->private; if (enable) { if (port->irq_high && (gpio_idx >= 16)) @@ -232,130 +214,134 @@ static int gpio_set_wake_irq(struct irq_data *d, u32 enable) return 0; } -static struct irq_chip gpio_irq_chip = { - .name = "GPIO", - .irq_ack = gpio_ack_irq, - .irq_mask = gpio_mask_irq, - .irq_unmask = gpio_unmask_irq, - .irq_set_type = gpio_set_irq_type, - .irq_set_wake = gpio_set_wake_irq, -}; - -static void _set_gpio_direction(struct gpio_chip *chip, unsigned offset, - int dir) +static void __init mxc_gpio_init_gc(struct mxc_gpio_port *port) { - struct mxc_gpio_port *port = - container_of(chip, struct mxc_gpio_port, chip); - u32 l; - unsigned long flags; - - spin_lock_irqsave(&port->lock, flags); - l = __raw_readl(port->base + GPIO_GDIR); - if (dir) - l |= 1 << offset; - else - l &= ~(1 << offset); - __raw_writel(l, port->base + GPIO_GDIR); - spin_unlock_irqrestore(&port->lock, flags); + struct irq_chip_generic *gc; + struct irq_chip_type *ct; + + gc = irq_alloc_generic_chip("gpio-mxc", 1, port->virtual_irq_start, + port->base, handle_level_irq); + gc->private = port; + + ct = gc->chip_types; + ct->chip.irq_ack = irq_gc_ack, + ct->chip.irq_mask = irq_gc_mask_clr_bit; + ct->chip.irq_unmask = irq_gc_mask_set_bit; + ct->chip.irq_set_type = gpio_set_irq_type; + ct->chip.irq_set_wake = gpio_set_wake_irq, + ct->regs.ack = GPIO_ISR; + ct->regs.mask = GPIO_IMR; + + irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK, + IRQ_NOREQUEST, 0); } -static void mxc_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +static int __devinit mxc_gpio_probe(struct platform_device *pdev) { - struct mxc_gpio_port *port = - container_of(chip, struct mxc_gpio_port, chip); - void __iomem *reg = port->base + GPIO_DR; - u32 l; - unsigned long flags; - - spin_lock_irqsave(&port->lock, flags); - l = (__raw_readl(reg) & (~(1 << offset))) | (!!value << offset); - __raw_writel(l, reg); - spin_unlock_irqrestore(&port->lock, flags); -} + struct mxc_gpio_port *port; + struct resource *iores; + int err; -static int mxc_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct mxc_gpio_port *port = - container_of(chip, struct mxc_gpio_port, chip); + port = kzalloc(sizeof(struct mxc_gpio_port), GFP_KERNEL); + if (!port) + return -ENOMEM; - return (__raw_readl(port->base + GPIO_PSR) >> offset) & 1; -} + port->virtual_irq_start = MXC_GPIO_IRQ_START + pdev->id * 32; -static int mxc_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -{ - _set_gpio_direction(chip, offset, 0); - return 0; -} - -static int mxc_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - mxc_gpio_set(chip, offset, value); - _set_gpio_direction(chip, offset, 1); - return 0; -} + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) { + err = -ENODEV; + goto out_kfree; + } -/* - * This lock class tells lockdep that GPIO irqs are in a different - * category than their parents, so it won't report false recursion. - */ -static struct lock_class_key gpio_lock_class; + if (!request_mem_region(iores->start, resource_size(iores), + pdev->name)) { + err = -EBUSY; + goto out_kfree; + } -int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt) -{ - int i, j; - - /* save for local usage */ - mxc_gpio_ports = port; - gpio_table_size = cnt; - - printk(KERN_INFO "MXC GPIO hardware\n"); - - for (i = 0; i < cnt; i++) { - /* disable the interrupt and clear the status */ - __raw_writel(0, port[i].base + GPIO_IMR); - __raw_writel(~0, port[i].base + GPIO_ISR); - for (j = port[i].virtual_irq_start; - j < port[i].virtual_irq_start + 32; j++) { - irq_set_lockdep_class(j, &gpio_lock_class); - irq_set_chip_and_handler(j, &gpio_irq_chip, - handle_level_irq); - set_irq_flags(j, IRQF_VALID); - } + port->base = ioremap(iores->start, resource_size(iores)); + if (!port->base) { + err = -ENOMEM; + goto out_release_mem; + } - /* register gpio chip */ - port[i].chip.direction_input = mxc_gpio_direction_input; - port[i].chip.direction_output = mxc_gpio_direction_output; - port[i].chip.get = mxc_gpio_get; - port[i].chip.set = mxc_gpio_set; - port[i].chip.base = i * 32; - port[i].chip.ngpio = 32; + port->irq_high = platform_get_irq(pdev, 1); + port->irq = platform_get_irq(pdev, 0); + if (port->irq < 0) { + err = -EINVAL; + goto out_iounmap; + } - spin_lock_init(&port[i].lock); + /* disable the interrupt and clear the status */ + writel(0, port->base + GPIO_IMR); + writel(~0, port->base + GPIO_ISR); - /* its a serious configuration bug when it fails */ - BUG_ON( gpiochip_add(&port[i].chip) < 0 ); + /* gpio-mxc can be a generic irq chip */ + mxc_gpio_init_gc(port); - if (cpu_is_mx1() || cpu_is_mx3() || cpu_is_mx25() || cpu_is_mx51()) { - /* setup one handler for each entry */ - irq_set_chained_handler(port[i].irq, + if (cpu_is_mx2()) { + /* setup one handler for all GPIO interrupts */ + if (pdev->id == 0) + irq_set_chained_handler(port->irq, + mx2_gpio_irq_handler); + } else { + /* setup one handler for each entry */ + irq_set_chained_handler(port->irq, mx3_gpio_irq_handler); + irq_set_handler_data(port->irq, port); + if (port->irq_high > 0) { + /* setup handler for GPIO 16 to 31 */ + irq_set_chained_handler(port->irq_high, mx3_gpio_irq_handler); - irq_set_handler_data(port[i].irq, &port[i]); - if (port[i].irq_high) { - /* setup handler for GPIO 16 to 31 */ - irq_set_chained_handler(port[i].irq_high, - mx3_gpio_irq_handler); - irq_set_handler_data(port[i].irq_high, - &port[i]); - } + irq_set_handler_data(port->irq_high, port); } } - if (cpu_is_mx2()) { - /* setup one handler for all GPIO interrupts */ - irq_set_chained_handler(port[0].irq, mx2_gpio_irq_handler); - irq_set_handler_data(port[0].irq, port); - } + err = bgpio_init(&port->bgc, &pdev->dev, 4, + port->base + GPIO_PSR, + port->base + GPIO_DR, NULL, + port->base + GPIO_GDIR, NULL, false); + if (err) + goto out_iounmap; + + port->bgc.gc.base = pdev->id * 32; + + err = gpiochip_add(&port->bgc.gc); + if (err) + goto out_bgpio_remove; + + list_add_tail(&port->node, &mxc_gpio_ports); return 0; + +out_bgpio_remove: + bgpio_remove(&port->bgc); +out_iounmap: + iounmap(port->base); +out_release_mem: + release_mem_region(iores->start, resource_size(iores)); +out_kfree: + kfree(port); + dev_info(&pdev->dev, "%s failed with errno %d\n", __func__, err); + return err; } + +static struct platform_driver mxc_gpio_driver = { + .driver = { + .name = "gpio-mxc", + .owner = THIS_MODULE, + }, + .probe = mxc_gpio_probe, +}; + +static int __init gpio_mxc_init(void) +{ + return platform_driver_register(&mxc_gpio_driver); +} +postcore_initcall(gpio_mxc_init); + +MODULE_AUTHOR("Freescale Semiconductor, " + "Daniel Mack <danielncaiaq.de>, " + "Juergen Beisert <kernel@pengutronix.de>"); +MODULE_DESCRIPTION("Freescale MXC GPIO"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c new file mode 100644 index 0000000..d8cafba --- /dev/null +++ b/drivers/gpio/gpio-mxs.c @@ -0,0 +1,289 @@ +/* + * MXC GPIO support. (c) 2008 Daniel Mack <daniel@caiaq.de> + * Copyright 2008 Juergen Beisert, kernel@pengutronix.de + * + * Based on code from Freescale, + * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/basic_mmio_gpio.h> +#include <mach/mxs.h> + +#define MXS_SET 0x4 +#define MXS_CLR 0x8 + +#define PINCTRL_DOUT(n) ((cpu_is_mx23() ? 0x0500 : 0x0700) + (n) * 0x10) +#define PINCTRL_DIN(n) ((cpu_is_mx23() ? 0x0600 : 0x0900) + (n) * 0x10) +#define PINCTRL_DOE(n) ((cpu_is_mx23() ? 0x0700 : 0x0b00) + (n) * 0x10) +#define PINCTRL_PIN2IRQ(n) ((cpu_is_mx23() ? 0x0800 : 0x1000) + (n) * 0x10) +#define PINCTRL_IRQEN(n) ((cpu_is_mx23() ? 0x0900 : 0x1100) + (n) * 0x10) +#define PINCTRL_IRQLEV(n) ((cpu_is_mx23() ? 0x0a00 : 0x1200) + (n) * 0x10) +#define PINCTRL_IRQPOL(n) ((cpu_is_mx23() ? 0x0b00 : 0x1300) + (n) * 0x10) +#define PINCTRL_IRQSTAT(n) ((cpu_is_mx23() ? 0x0c00 : 0x1400) + (n) * 0x10) + +#define GPIO_INT_FALL_EDGE 0x0 +#define GPIO_INT_LOW_LEV 0x1 +#define GPIO_INT_RISE_EDGE 0x2 +#define GPIO_INT_HIGH_LEV 0x3 +#define GPIO_INT_LEV_MASK (1 << 0) +#define GPIO_INT_POL_MASK (1 << 1) + +struct mxs_gpio_port { + void __iomem *base; + int id; + int irq; + int virtual_irq_start; + struct bgpio_chip bgc; +}; + +/* Note: This driver assumes 32 GPIOs are handled in one register */ + +static int mxs_gpio_set_irq_type(struct irq_data *d, unsigned int type) +{ + u32 gpio = irq_to_gpio(d->irq); + u32 pin_mask = 1 << (gpio & 31); + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct mxs_gpio_port *port = gc->private; + void __iomem *pin_addr; + int edge; + + switch (type) { + case IRQ_TYPE_EDGE_RISING: + edge = GPIO_INT_RISE_EDGE; + break; + case IRQ_TYPE_EDGE_FALLING: + edge = GPIO_INT_FALL_EDGE; + break; + case IRQ_TYPE_LEVEL_LOW: + edge = GPIO_INT_LOW_LEV; + break; + case IRQ_TYPE_LEVEL_HIGH: + edge = GPIO_INT_HIGH_LEV; + break; + default: + return -EINVAL; + } + + /* set level or edge */ + pin_addr = port->base + PINCTRL_IRQLEV(port->id); + if (edge & GPIO_INT_LEV_MASK) + writel(pin_mask, pin_addr + MXS_SET); + else + writel(pin_mask, pin_addr + MXS_CLR); + + /* set polarity */ + pin_addr = port->base + PINCTRL_IRQPOL(port->id); + if (edge & GPIO_INT_POL_MASK) + writel(pin_mask, pin_addr + MXS_SET); + else + writel(pin_mask, pin_addr + MXS_CLR); + + writel(1 << (gpio & 0x1f), + port->base + PINCTRL_IRQSTAT(port->id) + MXS_CLR); + + return 0; +} + +/* MXS has one interrupt *per* gpio port */ +static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) +{ + u32 irq_stat; + struct mxs_gpio_port *port = irq_get_handler_data(irq); + u32 gpio_irq_no_base = port->virtual_irq_start; + + desc->irq_data.chip->irq_ack(&desc->irq_data); + + irq_stat = readl(port->base + PINCTRL_IRQSTAT(port->id)) & + readl(port->base + PINCTRL_IRQEN(port->id)); + + while (irq_stat != 0) { + int irqoffset = fls(irq_stat) - 1; + generic_handle_irq(gpio_irq_no_base + irqoffset); + irq_stat &= ~(1 << irqoffset); + } +} + +/* + * Set interrupt number "irq" in the GPIO as a wake-up source. + * While system is running, all registered GPIO interrupts need to have + * wake-up enabled. When system is suspended, only selected GPIO interrupts + * need to have wake-up enabled. + * @param irq interrupt source number + * @param enable enable as wake-up if equal to non-zero + * @return This function returns 0 on success. + */ +static int mxs_gpio_set_wake_irq(struct irq_data *d, unsigned int enable) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct mxs_gpio_port *port = gc->private; + + if (enable) + enable_irq_wake(port->irq); + else + disable_irq_wake(port->irq); + + return 0; +} + +static void __init mxs_gpio_init_gc(struct mxs_gpio_port *port) +{ + struct irq_chip_generic *gc; + struct irq_chip_type *ct; + + gc = irq_alloc_generic_chip("gpio-mxs", 1, port->virtual_irq_start, + port->base, handle_level_irq); + gc->private = port; + + ct = gc->chip_types; + ct->chip.irq_ack = irq_gc_ack, + ct->chip.irq_mask = irq_gc_mask_clr_bit; + ct->chip.irq_unmask = irq_gc_mask_set_bit; + ct->chip.irq_set_type = mxs_gpio_set_irq_type; + ct->chip.irq_set_wake = mxs_gpio_set_wake_irq, + ct->regs.ack = PINCTRL_IRQSTAT(port->id) + MXS_CLR; + ct->regs.mask = PINCTRL_IRQEN(port->id); + + irq_setup_generic_chip(gc, IRQ_MSK(32), 0, IRQ_NOREQUEST, 0); +} + +static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset) +{ + struct bgpio_chip *bgc = to_bgpio_chip(gc); + struct mxs_gpio_port *port = + container_of(bgc, struct mxs_gpio_port, bgc); + + return port->virtual_irq_start + offset; +} + +static int __devinit mxs_gpio_probe(struct platform_device *pdev) +{ + static void __iomem *base; + struct mxs_gpio_port *port; + struct resource *iores = NULL; + int err; + + port = kzalloc(sizeof(struct mxs_gpio_port), GFP_KERNEL); + if (!port) + return -ENOMEM; + + port->id = pdev->id; + port->virtual_irq_start = MXS_GPIO_IRQ_START + port->id * 32; + + /* + * map memory region only once, as all the gpio ports + * share the same one + */ + if (!base) { + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) { + err = -ENODEV; + goto out_kfree; + } + + if (!request_mem_region(iores->start, resource_size(iores), + pdev->name)) { + err = -EBUSY; + goto out_kfree; + } + + base = ioremap(iores->start, resource_size(iores)); + if (!base) { + err = -ENOMEM; + goto out_release_mem; + } + } + port->base = base; + + port->irq = platform_get_irq(pdev, 0); + if (port->irq < 0) { + err = -EINVAL; + goto out_iounmap; + } + + /* + * select the pin interrupt functionality but initially + * disable the interrupts + */ + writel(~0U, port->base + PINCTRL_PIN2IRQ(port->id)); + writel(0, port->base + PINCTRL_IRQEN(port->id)); + + /* clear address has to be used to clear IRQSTAT bits */ + writel(~0U, port->base + PINCTRL_IRQSTAT(port->id) + MXS_CLR); + + /* gpio-mxs can be a generic irq chip */ + mxs_gpio_init_gc(port); + + /* setup one handler for each entry */ + irq_set_chained_handler(port->irq, mxs_gpio_irq_handler); + irq_set_handler_data(port->irq, port); + + err = bgpio_init(&port->bgc, &pdev->dev, 4, + port->base + PINCTRL_DIN(port->id), + port->base + PINCTRL_DOUT(port->id), NULL, + port->base + PINCTRL_DOE(port->id), NULL, false); + if (err) + goto out_iounmap; + + port->bgc.gc.to_irq = mxs_gpio_to_irq; + port->bgc.gc.base = port->id * 32; + + err = gpiochip_add(&port->bgc.gc); + if (err) + goto out_bgpio_remove; + + return 0; + +out_bgpio_remove: + bgpio_remove(&port->bgc); +out_iounmap: + if (iores) + iounmap(port->base); +out_release_mem: + if (iores) + release_mem_region(iores->start, resource_size(iores)); +out_kfree: + kfree(port); + dev_info(&pdev->dev, "%s failed with errno %d\n", __func__, err); + return err; +} + +static struct platform_driver mxs_gpio_driver = { + .driver = { + .name = "gpio-mxs", + .owner = THIS_MODULE, + }, + .probe = mxs_gpio_probe, +}; + +static int __init mxs_gpio_init(void) +{ + return platform_driver_register(&mxs_gpio_driver); +} +postcore_initcall(mxs_gpio_init); + +MODULE_AUTHOR("Freescale Semiconductor, " + "Daniel Mack <danielncaiaq.de>, " + "Juergen Beisert <kernel@pengutronix.de>"); +MODULE_DESCRIPTION("Freescale MXS GPIO"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/gpio-pca953x.c index 0451d7a..4b8446e 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -1,5 +1,5 @@ /* - * pca953x.c - 4/8/16 bit I/O ports + * PCA953x 4/8/16 bit I/O ports * * Copyright (C) 2005 Ben Gardner <bgardner@wabtec.com> * Copyright (C) 2007 Marvell International Ltd. @@ -437,7 +437,7 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid) do { level = __ffs(pending); - generic_handle_irq(level + chip->irq_base); + handle_nested_irq(level + chip->irq_base); pending &= ~(1 << level); } while (pending); @@ -474,15 +474,19 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, * this purpose. */ chip->irq_stat &= chip->reg_direction; - chip->irq_base = pdata->irq_base; mutex_init(&chip->irq_lock); + chip->irq_base = irq_alloc_descs(-1, pdata->irq_base, chip->gpio_chip.ngpio, -1); + if (chip->irq_base < 0) + goto out_failed; + for (lvl = 0; lvl < chip->gpio_chip.ngpio; lvl++) { int irq = lvl + chip->irq_base; + irq_clear_status_flags(irq, IRQ_NOREQUEST); irq_set_chip_data(irq, chip); - irq_set_chip_and_handler(irq, &pca953x_irq_chip, - handle_simple_irq); + irq_set_chip(irq, &pca953x_irq_chip); + irq_set_nested_thread(irq, true); #ifdef CONFIG_ARM set_irq_flags(irq, IRQF_VALID); #else @@ -493,8 +497,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, ret = request_threaded_irq(client->irq, NULL, pca953x_irq_handler, - IRQF_TRIGGER_RISING | - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, dev_name(&client->dev), chip); if (ret) { dev_err(&client->dev, "failed to request irq %d\n", diff --git a/drivers/gpio/pcf857x.c b/drivers/gpio/gpio-pcf857x.c index 879b473..7369fdd 100644 --- a/drivers/gpio/pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -1,5 +1,5 @@ /* - * pcf857x - driver for pcf857x, pca857x, and pca967x I2C GPIO expanders + * Driver for pcf857x, pca857x, and pca967x I2C GPIO expanders * * Copyright (C) 2007 David Brownell * diff --git a/drivers/gpio/pch_gpio.c b/drivers/gpio/gpio-pch.c index 36919e7..36919e7 100644 --- a/drivers/gpio/pch_gpio.c +++ b/drivers/gpio/gpio-pch.c diff --git a/drivers/gpio/pl061.c b/drivers/gpio/gpio-pl061.c index 6fcb28c..2c5a18f 100644 --- a/drivers/gpio/pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -1,7 +1,5 @@ /* - * linux/drivers/gpio/pl061.c - * - * Copyright (C) 2008, 2009 Provigent Ltd. + * Copyright (C) 2008, 2009 Provigent Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/drivers/gpio/gpio-plat-samsung.c b/drivers/gpio/gpio-plat-samsung.c index ea37c04..ef67f19 100644 --- a/drivers/gpio/gpio-plat-samsung.c +++ b/drivers/gpio/gpio-plat-samsung.c @@ -1,5 +1,4 @@ -/* arch/arm/plat-samsung/gpiolib.c - * +/* * Copyright 2008 Openmoko, Inc. * Copyright 2008 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/gpio-rdc321x.c index 2762698..2762698 100644 --- a/drivers/gpio/rdc321x-gpio.c +++ b/drivers/gpio/gpio-rdc321x.c diff --git a/drivers/gpio/gpio-s5pc100.c b/drivers/gpio/gpio-s5pc100.c index 2842394..7f87b0c 100644 --- a/drivers/gpio/gpio-s5pc100.c +++ b/drivers/gpio/gpio-s5pc100.c @@ -1,4 +1,5 @@ -/* linux/arch/arm/mach-s5pc100/gpiolib.c +/* + * S5PC100 - GPIOlib support * * Copyright (c) 2010 Samsung Electronics Co., Ltd. * http://www.samsung.com @@ -6,8 +7,6 @@ * Copyright 2009 Samsung Electronics Co * Kyungmin Park <kyungmin.park@samsung.com> * - * S5PC100 - GPIOlib support - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. diff --git a/drivers/gpio/gpio-s5pv210.c b/drivers/gpio/gpio-s5pv210.c index 1ba20a7..eb12f16 100644 --- a/drivers/gpio/gpio-s5pv210.c +++ b/drivers/gpio/gpio-s5pv210.c @@ -1,10 +1,9 @@ -/* linux/arch/arm/mach-s5pv210/gpiolib.c +/* + * S5PV210 - GPIOlib support * * Copyright (c) 2010 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * - * S5PV210 - GPIOlib support - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. diff --git a/drivers/gpio/sch_gpio.c b/drivers/gpio/gpio-sch.c index 5606042..1635158 100644 --- a/drivers/gpio/sch_gpio.c +++ b/drivers/gpio/gpio-sch.c @@ -1,5 +1,5 @@ /* - * sch_gpio.c - GPIO interface for Intel Poulsbo SCH + * GPIO interface for Intel Poulsbo SCH * * Copyright (c) 2010 CompuLab Ltd * Author: Denis Turischev <denis@compulab.co.il> diff --git a/drivers/gpio/stmpe-gpio.c b/drivers/gpio/gpio-stmpe.c index 4c980b5..4c980b5 100644 --- a/drivers/gpio/stmpe-gpio.c +++ b/drivers/gpio/gpio-stmpe.c diff --git a/drivers/gpio/sx150x.c b/drivers/gpio/gpio-sx150x.c index a4f7353..a4f7353 100644 --- a/drivers/gpio/sx150x.c +++ b/drivers/gpio/gpio-sx150x.c diff --git a/drivers/gpio/tc3589x-gpio.c b/drivers/gpio/gpio-tc3589x.c index 2a82e89..2a82e89 100644 --- a/drivers/gpio/tc3589x-gpio.c +++ b/drivers/gpio/gpio-tc3589x.c diff --git a/drivers/gpio/timbgpio.c b/drivers/gpio/gpio-timberdale.c index 0265872..c593bd4 100644 --- a/drivers/gpio/timbgpio.c +++ b/drivers/gpio/gpio-timberdale.c @@ -1,5 +1,5 @@ /* - * timbgpio.c timberdale FPGA GPIO driver + * Timberdale FPGA GPIO driver * Copyright (c) 2009 Intel Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/gpio/tps65910-gpio.c b/drivers/gpio/gpio-tps65910.c index 8d1ddfd..4171033 100644 --- a/drivers/gpio/tps65910-gpio.c +++ b/drivers/gpio/gpio-tps65910.c @@ -1,5 +1,5 @@ /* - * tps65910-gpio.c -- TI TPS6591x + * TI TPS6591x GPIO driver * * Copyright 2010 Texas Instruments Inc. * diff --git a/drivers/gpio/twl4030-gpio.c b/drivers/gpio/gpio-twl4030.c index 57635ac..b8b4f22 100644 --- a/drivers/gpio/twl4030-gpio.c +++ b/drivers/gpio/gpio-twl4030.c @@ -1,5 +1,5 @@ /* - * twl4030_gpio.c -- access to GPIOs on TWL4030/TPS659x0 chips + * Access to GPIOs on TWL4030/TPS659x0 chips * * Copyright (C) 2006-2007 Texas Instruments, Inc. * Copyright (C) 2006 MontaVista Software, Inc. diff --git a/drivers/gpio/gpio-u300.c b/drivers/gpio/gpio-u300.c index d927901..fd2dfee 100644 --- a/drivers/gpio/gpio-u300.c +++ b/drivers/gpio/gpio-u300.c @@ -1,11 +1,8 @@ /* - * - * arch/arm/mach-u300/gpio.c - * + * U300 GPIO module. * * Copyright (C) 2007-2009 ST-Ericsson AB * License terms: GNU General Public License (GPL) version 2 - * U300 GPIO module. * This can driver either of the two basic GPIO cores * available in the U300 platforms: * COH 901 335 - Used in DB3150 (U300 1.0) and DB3200 (U330 1.0) diff --git a/drivers/gpio/ucb1400_gpio.c b/drivers/gpio/gpio-ucb1400.c index 50e6bd1..50e6bd1 100644 --- a/drivers/gpio/ucb1400_gpio.c +++ b/drivers/gpio/gpio-ucb1400.c diff --git a/drivers/gpio/vr41xx_giu.c b/drivers/gpio/gpio-vr41xx.c index a365be0..98723cb 100644 --- a/drivers/gpio/vr41xx_giu.c +++ b/drivers/gpio/gpio-vr41xx.c @@ -518,7 +518,7 @@ static int __devinit giu_probe(struct platform_device *pdev) if (!res) return -EBUSY; - giu_base = ioremap(res->start, res->end - res->start + 1); + giu_base = ioremap(res->start, resource_size(res)); if (!giu_base) return -ENOMEM; diff --git a/drivers/gpio/vx855_gpio.c b/drivers/gpio/gpio-vx855.c index ef5aabd..ef5aabd 100644 --- a/drivers/gpio/vx855_gpio.c +++ b/drivers/gpio/gpio-vx855.c diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/gpio-wm831x.c index 309644c..31a9ed7 100644 --- a/drivers/gpio/wm831x-gpio.c +++ b/drivers/gpio/gpio-wm831x.c @@ -1,5 +1,5 @@ /* - * wm831x-gpio.c -- gpiolib support for Wolfson WM831x PMICs + * gpiolib support for Wolfson WM831x PMICs * * Copyright 2009 Wolfson Microelectronics PLC. * diff --git a/drivers/gpio/wm8350-gpiolib.c b/drivers/gpio/gpio-wm8350.c index 3599992..a06af51 100644 --- a/drivers/gpio/wm8350-gpiolib.c +++ b/drivers/gpio/gpio-wm8350.c @@ -1,5 +1,5 @@ /* - * wm835x-gpiolib.c -- gpiolib support for Wolfson WM835x PMICs + * gpiolib support for Wolfson WM835x PMICs * * Copyright 2009 Wolfson Microelectronics PLC. * diff --git a/drivers/gpio/wm8994-gpio.c b/drivers/gpio/gpio-wm8994.c index c822baa..96198f3 100644 --- a/drivers/gpio/wm8994-gpio.c +++ b/drivers/gpio/gpio-wm8994.c @@ -1,5 +1,5 @@ /* - * wm8994-gpio.c -- gpiolib support for Wolfson WM8994 + * gpiolib support for Wolfson WM8994 * * Copyright 2009 Wolfson Microelectronics PLC. * diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/gpio-xilinx.c index 846fbd5..846fbd5 100644 --- a/drivers/gpio/xilinx_gpio.c +++ b/drivers/gpio/gpio-xilinx.c diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 23f0d5e..9d7d940 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -93,7 +93,7 @@ config LEDS_NET48XX config LEDS_NET5501 tristate "LED Support for Soekris net5501 series Error LED" depends on LEDS_TRIGGERS - depends on X86 && LEDS_GPIO_PLATFORM && GPIO_CS5535 + depends on X86 && GPIO_CS5535 select LEDS_TRIGGER_DEFAULT_ON default n help @@ -183,23 +183,6 @@ config LEDS_GPIO defined as platform devices and/or OpenFirmware platform devices. The code to use these bindings can be selected below. -config LEDS_GPIO_PLATFORM - bool "Platform device bindings for GPIO LEDs" - depends on LEDS_GPIO - default y - help - Let the leds-gpio driver drive LEDs which have been defined as - platform devices. If you don't know what this means, say yes. - -config LEDS_GPIO_OF - bool "OpenFirmware platform device bindings for GPIO LEDs" - depends on LEDS_GPIO && OF_DEVICE - default y - help - Let the leds-gpio driver drive LEDs which have been defined as - of_platform devices. For instance, LEDs which are listed in a "dts" - file. - config LEDS_LP3944 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip" depends on LEDS_CLASS diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index b0480c8..3d8bc32 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -165,7 +165,7 @@ static inline int sizeof_gpio_leds_priv(int num_leds) } /* Code to create from OpenFirmware platform devices */ -#ifdef CONFIG_LEDS_GPIO_OF +#ifdef CONFIG_OF_GPIO static struct gpio_leds_priv * __devinit gpio_leds_create_of(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node, *child; @@ -223,13 +223,13 @@ static const struct of_device_id of_gpio_leds_match[] = { { .compatible = "gpio-leds", }, {}, }; -#else +#else /* CONFIG_OF_GPIO */ static struct gpio_leds_priv * __devinit gpio_leds_create_of(struct platform_device *pdev) { return NULL; } #define of_gpio_leds_match NULL -#endif +#endif /* CONFIG_OF_GPIO */ static int __devinit gpio_led_probe(struct platform_device *pdev) diff --git a/include/linux/spi/74x164.h b/include/linux/spi/74x164.h index d85c52f..0aa6acc 100644 --- a/include/linux/spi/74x164.h +++ b/include/linux/spi/74x164.h @@ -1,8 +1,6 @@ #ifndef LINUX_SPI_74X164_H #define LINUX_SPI_74X164_H -#define GEN_74X164_DRIVER_NAME "74x164" - struct gen_74x164_chip_platform_data { /* number assigned to the first GPIO */ unsigned base; |
