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author | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
commit | d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch) | |
tree | 854ab394486288d40fa8179cbfaf66e8bdc44b0f /arch/arm/mach-imx/mach-mx1ads.c | |
parent | 73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff) | |
parent | 3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff) | |
download | op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.zip op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.tar.gz |
Merge branch 'master' into for-next
Diffstat (limited to 'arch/arm/mach-imx/mach-mx1ads.c')
-rw-r--r-- | arch/arm/mach-imx/mach-mx1ads.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c new file mode 100644 index 0000000..77a760c --- /dev/null +++ b/arch/arm/mach-imx/mach-mx1ads.c @@ -0,0 +1,165 @@ +/* + * arch/arm/mach-imx/mach-mx1ads.c + * + * Initially based on: + * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c + * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de> + * + * 2004 (c) MontaVista Software, Inc. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/i2c.h> +#include <linux/i2c/pcf857x.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/i2c.h> +#include <mach/iomux-mx1.h> +#include <mach/irqs.h> + +#include "devices-imx1.h" +#include "devices.h" + +static int mx1ads_pins[] = { + /* UART1 */ + PC9_PF_UART1_CTS, + PC10_PF_UART1_RTS, + PC11_PF_UART1_TXD, + PC12_PF_UART1_RXD, + /* UART2 */ + PB28_PF_UART2_CTS, + PB29_PF_UART2_RTS, + PB30_PF_UART2_TXD, + PB31_PF_UART2_RXD, + /* I2C */ + PA15_PF_I2C_SDA, + PA16_PF_I2C_SCL, + /* SPI */ + PC13_PF_SPI1_SPI_RDY, + PC14_PF_SPI1_SCLK, + PC15_PF_SPI1_SS, + PC16_PF_SPI1_MISO, + PC17_PF_SPI1_MOSI, +}; + +/* + * UARTs platform data + */ + +static const struct imxuart_platform_data uart0_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static const struct imxuart_platform_data uart1_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +/* + * Physmap flash + */ + +static struct physmap_flash_data mx1ads_flash_data = { + .width = 4, /* bankwidth in bytes */ +}; + +static struct resource flash_resource = { + .start = MX1_CS0_PHYS, + .end = MX1_CS0_PHYS + SZ_32M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device flash_device = { + .name = "physmap-flash", + .id = 0, + .resource = &flash_resource, + .num_resources = 1, +}; + +/* + * I2C + */ +static struct pcf857x_platform_data pcf857x_data[] = { + { + .gpio_base = 4 * 32, + }, { + .gpio_base = 4 * 32 + 16, + } +}; + +static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = { + .bitrate = 100000, +}; + +static struct i2c_board_info mx1ads_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf8575", 0x22), + .platform_data = &pcf857x_data[0], + }, { + I2C_BOARD_INFO("pcf8575", 0x24), + .platform_data = &pcf857x_data[1], + }, +}; + +/* + * Board init + */ +static void __init mx1ads_init(void) +{ + mxc_gpio_setup_multiple_pins(mx1ads_pins, + ARRAY_SIZE(mx1ads_pins), "mx1ads"); + + /* UART */ + imx1_add_imx_uart0(&uart0_pdata); + imx1_add_imx_uart1(&uart1_pdata); + + /* Physmap flash */ + mxc_register_device(&flash_device, &mx1ads_flash_data); + + /* I2C */ + i2c_register_board_info(0, mx1ads_i2c_devices, + ARRAY_SIZE(mx1ads_i2c_devices)); + + imx1_add_i2c_imx(&mx1ads_i2c_data); +} + +static void __init mx1ads_timer_init(void) +{ + mx1_clocks_init(32000); +} + +struct sys_timer mx1ads_timer = { + .init = mx1ads_timer_init, +}; + +MACHINE_START(MX1ADS, "Freescale MX1ADS") + /* Maintainer: Sascha Hauer, Pengutronix */ + .phys_io = MX1_IO_BASE_ADDR, + .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, + .boot_params = MX1_PHYS_OFFSET + 0x100, + .map_io = mx1_map_io, + .init_irq = mx1_init_irq, + .timer = &mx1ads_timer, + .init_machine = mx1ads_init, +MACHINE_END + +MACHINE_START(MXLADS, "Freescale MXLADS") + .phys_io = MX1_IO_BASE_ADDR, + .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, + .boot_params = MX1_PHYS_OFFSET + 0x100, + .map_io = mx1_map_io, + .init_irq = mx1_init_irq, + .timer = &mx1ads_timer, + .init_machine = mx1ads_init, +MACHINE_END |