diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 249 |
1 files changed, 244 insertions, 5 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index 9243de5..b705291 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -17,6 +17,7 @@ */ #include <linux/delay.h> +#include <linux/dma-mapping.h> #include <linux/fsl_devices.h> #include <linux/gpio.h> #include <linux/init.h> @@ -26,8 +27,14 @@ #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> #include <linux/platform_device.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> #include <linux/types.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> @@ -37,16 +44,20 @@ #include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> +#include <mach/ipu.h> #include <mach/i2c.h> #include <mach/mmc.h> -#include <mach/mx31.h> +#include <mach/mxc_ehci.h> +#include <mach/mx3_camera.h> +#include <mach/spi.h> +#include <mach/ulpi.h> #include "devices.h" static unsigned int moboard_pins[] = { /* UART0 */ - MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, + MX31_PIN_CTS1__GPIO2_7, /* UART4 */ MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, @@ -73,12 +84,31 @@ static unsigned int moboard_pins[] = { MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, MX31_PIN_USB_OC__GPIO1_30, + /* USB H2 */ + MX31_PIN_USBH2_DATA0__USBH2_DATA0, + MX31_PIN_USBH2_DATA1__USBH2_DATA1, + MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3, + MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5, + MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7, + MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, + MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, + MX31_PIN_SCK6__GPIO1_25, /* LEDs */ MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, /* SEL */ MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9, MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11, + /* SPI1 */ + MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, + MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, + /* Atlas IRQ */ + MX31_PIN_GPIO1_3__GPIO1_3, + /* SPI2 */ + MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO, + MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS1__CSPI3_SS1, }; static struct physmap_flash_data mx31moboard_flash_data = { @@ -101,7 +131,18 @@ static struct platform_device mx31moboard_flash = { .num_resources = 1, }; -static struct imxuart_platform_data uart_pdata = { +static int moboard_uart0_init(struct platform_device *pdev) +{ + gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack"); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); + return 0; +} + +static struct imxuart_platform_data uart0_pdata = { + .init = moboard_uart0_init, +}; + +static struct imxuart_platform_data uart4_pdata = { .flags = IMXUART_HAVE_RTSCTS, }; @@ -113,6 +154,103 @@ static struct imxi2c_platform_data moboard_i2c1_pdata = { .bitrate = 100000, }; +static int moboard_spi1_cs[] = { + MXC_SPI_CS(0), + MXC_SPI_CS(2), +}; + +static struct spi_imx_master moboard_spi1_master = { + .chipselect = moboard_spi1_cs, + .num_chipselect = ARRAY_SIZE(moboard_spi1_cs), +}; + +static struct regulator_consumer_supply sdhc_consumers[] = { + { + .dev = &mxcsdhc_device0.dev, + .supply = "sdhc0_vcc", + }, + { + .dev = &mxcsdhc_device1.dev, + .supply = "sdhc1_vcc", + }, +}; + +static struct regulator_init_data sdhc_vreg_data = { + .constraints = { + .min_uV = 2700000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_FAST, + .always_on = 0, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers), + .consumer_supplies = sdhc_consumers, +}; + +static struct regulator_consumer_supply cam_consumers[] = { + { + .dev = &mx3_camera.dev, + .supply = "cam_vcc", + }, +}; + +static struct regulator_init_data cam_vreg_data = { + .constraints = { + .min_uV = 2700000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_FAST, + .always_on = 0, + .boot_on = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(cam_consumers), + .consumer_supplies = cam_consumers, +}; + +static struct mc13783_regulator_init_data moboard_regulators[] = { + { + .id = MC13783_REGU_VMMC1, + .init_data = &sdhc_vreg_data, + }, + { + .id = MC13783_REGU_VCAM, + .init_data = &cam_vreg_data, + }, +}; + +static struct mc13783_platform_data moboard_pmic = { + .regulators = moboard_regulators, + .num_regulators = ARRAY_SIZE(moboard_regulators), + .flags = MC13783_USE_REGULATOR | MC13783_USE_RTC | + MC13783_USE_ADC, +}; + +static struct spi_board_info moboard_spi_board_info[] __initdata = { + { + .modalias = "mc13783", + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), + .max_speed_hz = 300000, + .bus_num = 1, + .chip_select = 0, + .platform_data = &moboard_pmic, + .mode = SPI_CS_HIGH, + }, +}; + +static int moboard_spi2_cs[] = { + MXC_SPI_CS(1), +}; + +static struct spi_imx_master moboard_spi2_master = { + .chipselect = moboard_spi2_cs, + .num_chipselect = ARRAY_SIZE(moboard_spi2_cs), +}; + #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) @@ -208,6 +346,56 @@ static struct fsl_usb2_platform_data usb_pdata = { .phy_mode = FSL_USB2_PHY_ULPI, }; +#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6) + +static int moboard_usbh2_hw_init(struct platform_device *pdev) +{ + int ret = gpio_request(USBH2_EN_B, "usbh2-en"); + if (ret) + return ret; + + mxc_iomux_set_gpr(MUX_PGP_UH2, true); + + mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); + + gpio_direction_output(USBH2_EN_B, 0); + + return 0; +} + +static int moboard_usbh2_hw_exit(struct platform_device *pdev) +{ + gpio_free(USBH2_EN_B); + return 0; +} + +static struct mxc_usbh_platform_data usbh2_pdata = { + .init = moboard_usbh2_hw_init, + .exit = moboard_usbh2_hw_exit, + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED, +}; + +static int __init moboard_usbh2_init(void) +{ + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + return mxc_register_device(&mx31_usbh2, &usbh2_pdata); +} + + static struct gpio_led mx31moboard_leds[] = { { .name = "coreboard-led-0:red:running", @@ -266,11 +454,48 @@ static void mx31moboard_init_sel_gpios(void) } } +static struct ipu_platform_data mx3_ipu_data = { + .irq_base = MXC_IPU_IRQ_START, +}; + static struct platform_device *devices[] __initdata = { &mx31moboard_flash, &mx31moboard_leds_device, }; +static struct mx3_camera_pdata camera_pdata = { + .dma_dev = &mx3_ipu.dev, + .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10, + .mclk_10khz = 4800, +}; + +#define CAMERA_BUF_SIZE (4*1024*1024) + +static int __init mx31moboard_cam_alloc_dma(const size_t buf_size) +{ + dma_addr_t dma_handle; + void *buf; + int dma; + + if (buf_size < 2 * 1024 * 1024) + return -EINVAL; + + buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL); + if (!buf) { + pr_err("%s: cannot allocate camera buffer-memory\n", __func__); + return -ENOMEM; + } + + memset(buf, 0, buf_size); + + dma = dma_declare_coherent_memory(&mx3_camera.dev, + dma_handle, dma_handle, buf_size, + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); + + /* The way we call dma_declare_coherent_memory only a malloc can fail */ + return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM; +} + static int mx31moboard_baseboard; core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); @@ -284,20 +509,34 @@ static void __init mxc_board_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_register_device(&mxc_uart_device4, &uart_pdata); + mxc_register_device(&mxc_uart_device0, &uart0_pdata); + + mxc_register_device(&mxc_uart_device4, &uart4_pdata); mx31moboard_init_sel_gpios(); mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata); mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata); + mxc_register_device(&mxc_spi_device1, &moboard_spi1_master); + mxc_register_device(&mxc_spi_device2, &moboard_spi2_master); + + gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); + spi_register_board_info(moboard_spi_board_info, + ARRAY_SIZE(moboard_spi_board_info)); + mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata); + mxc_register_device(&mx3_ipu, &mx3_ipu_data); + if (!mx31moboard_cam_alloc_dma(CAMERA_BUF_SIZE)) + mxc_register_device(&mx3_camera, &camera_pdata); + usb_xcvr_reset(); moboard_usbotg_init(); mxc_register_device(&mxc_otg_udc_device, &usb_pdata); + moboard_usbh2_init(); switch (mx31moboard_baseboard) { case MX31NOBOARD: |
