diff options
Diffstat (limited to 'arch/arm/mach-mx3/pcm037.c')
| -rw-r--r-- | arch/arm/mach-mx3/pcm037.c | 138 |
1 files changed, 98 insertions, 40 deletions
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c index 8cea82587222..5fce022114de 100644 --- a/arch/arm/mach-mx3/pcm037.c +++ b/arch/arm/mach-mx3/pcm037.c @@ -26,6 +26,8 @@ #include <linux/gpio.h> #include <linux/smc911x.h> #include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -37,6 +39,10 @@ #include <mach/iomux-mx3.h> #include <mach/board-pcm037.h> #include <mach/mxc_nand.h> +#include <mach/mmc.h> +#ifdef CONFIG_I2C_IMX +#include <mach/i2c.h> +#endif #include "devices.h" @@ -117,12 +123,90 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = { .hw_ecc = 1, }; +#ifdef CONFIG_I2C_IMX +static int i2c_1_pins[] = { + MX31_PIN_CSPI2_MOSI__SCL, + MX31_PIN_CSPI2_MISO__SDA, +}; + +static int pcm037_i2c_1_init(struct device *dev) +{ + return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins), + "i2c-1"); +} + +static void pcm037_i2c_1_exit(struct device *dev) +{ + mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins)); +} + +static struct imxi2c_platform_data pcm037_i2c_1_data = { + .bitrate = 100000, + .init = pcm037_i2c_1_init, + .exit = pcm037_i2c_1_exit, +}; + +static struct at24_platform_data board_eeprom = { + .byte_len = 4096, + .page_size = 32, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info pcm037_i2c_devices[] = { + { + I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ + .platform_data = &board_eeprom, + }, { + I2C_BOARD_INFO("rtc-pcf8563", 0x51), + .type = "pcf8563", + } +}; +#endif + +static int sdhc1_pins[] = { + MX31_PIN_SD1_DATA3__SD1_DATA3, + MX31_PIN_SD1_DATA2__SD1_DATA2, + MX31_PIN_SD1_DATA1__SD1_DATA1, + MX31_PIN_SD1_DATA0__SD1_DATA0, + MX31_PIN_SD1_CLK__SD1_CLK, + MX31_PIN_SD1_CMD__SD1_CMD, +}; + +static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data) +{ + return mxc_iomux_setup_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins), + "sdhc-1"); +} + +static void pcm970_sdhc1_exit(struct device *dev, void *data) +{ + mxc_iomux_release_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins)); +} + +/* No card and rw detection at the moment */ +static struct imxmmc_platform_data sdhc_pdata = { + .init = pcm970_sdhc1_init, + .exit = pcm970_sdhc1_exit, +}; + static struct platform_device *devices[] __initdata = { &pcm037_flash, &pcm037_eth, &pcm037_sram_device, }; +static int uart0_pins[] = { + MX31_PIN_CTS1__CTS1, + MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, + MX31_PIN_RXD1__RXD1 +}; + +static int uart2_pins[] = { + MX31_PIN_CSPI3_MOSI__RXD3, + MX31_PIN_CSPI3_MISO__TXD3 +}; + /* * Board specific initialization. */ @@ -130,59 +214,33 @@ static void __init mxc_board_init(void) { platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_iomux_mode(MX31_PIN_CTS1__CTS1); - mxc_iomux_mode(MX31_PIN_RTS1__RTS1); - mxc_iomux_mode(MX31_PIN_TXD1__TXD1); - mxc_iomux_mode(MX31_PIN_RXD1__RXD1); - + mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0"); mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3); - mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3); - + mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2"); mxc_register_device(&mxc_uart_device2, &uart_pdata); - mxc_iomux_mode(MX31_PIN_BATT_LINE__OWIRE); + mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire"); mxc_register_device(&mxc_w1_master_device, NULL); /* SMSC9215 IRQ pin */ - mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO)); - if (!gpio_request(MX31_PIN_GPIO3_1, "pcm037-eth")) + if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO), + "pcm037-eth")) gpio_direction_input(MX31_PIN_GPIO3_1); - mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); -} +#ifdef CONFIG_I2C_IMX + i2c_register_board_info(1, pcm037_i2c_devices, + ARRAY_SIZE(pcm037_i2c_devices)); -/* - * This structure defines static mappings for the pcm037 board. - */ -static struct map_desc pcm037_io_desc[] __initdata = { - { - .virtual = AIPS1_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), - .length = AIPS1_SIZE, - .type = MT_DEVICE_NONSHARED - }, { - .virtual = AIPS2_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), - .length = AIPS2_SIZE, - .type = MT_DEVICE_NONSHARED - }, -}; - -/* - * Set up static virtual mappings. - */ -void __init pcm037_map_io(void) -{ - mxc_map_io(); - iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc)); + mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data); +#endif + mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); + mxc_register_device(&mxcsdhc_device0, &sdhc_pdata); } static void __init pcm037_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("ipg_clk.0"); + mx31_clocks_init(26000000); } struct sys_timer pcm037_timer = { @@ -194,7 +252,7 @@ MACHINE_START(PCM037, "Phytec Phycore pcm037") .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x100, - .map_io = pcm037_map_io, + .map_io = mxc_map_io, .init_irq = mxc_init_irq, .init_machine = mxc_board_init, .timer = &pcm037_timer, |