diff options
Diffstat (limited to 'arch/arm/mach-mx2/mx27lite.c')
| -rw-r--r-- | arch/arm/mach-mx2/mx27lite.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/mx27lite.c b/arch/arm/mach-mx2/mx27lite.c index 26cc4a81ac03..ee1f1efaf270 100644 --- a/arch/arm/mach-mx2/mx27lite.c +++ b/arch/arm/mach-mx2/mx27lite.c @@ -20,8 +20,10 @@ #include <linux/platform_device.h> #include <linux/gpio.h> +#include <linux/mfd/mc13783.h> #include <linux/mtd/plat-ram.h> #include <linux/mtd/physmap.h> +#include <linux/spi/spi.h> #include <linux/fsl_devices.h> #include <linux/i2c/at24.h> #include <asm/mach-types.h> @@ -39,6 +41,7 @@ #include <mach/keypad.h> #include <mach/mmc.h> #include <mach/i2c.h> +#include <mach/spi.h> #include "devices.h" @@ -135,6 +138,11 @@ static unsigned int mx27lite_pins[] = { PB7_PF_SD2_D3, PB8_PF_SD2_CMD, PB9_PF_SD2_CLK, + /* SPI1 */ + PD25_PF_CSPI1_RDY, + PD29_PF_CSPI1_SCLK, + PD30_PF_CSPI1_MISO, + PD31_PF_CSPI1_MOSI, }; static struct mxc_nand_platform_data mx27lite_nand_board_info = { @@ -327,6 +335,32 @@ static struct platform_device mxc_rtc_device = { .resource = rtc_resources, }; +/* SS0 (pin D28) -> MC13783 touchscreen controller + * SS1 (pin D27) -> available on breakout board + */ +static int mx27lite_spi_cs[] = {GPIO_PORTD | 28, GPIO_PORTD | 27}; + +static struct spi_imx_master mx27lite_spi_0_data = { + .chipselect = mx27lite_spi_cs, + .num_chipselect = ARRAY_SIZE(mx27lite_spi_cs), +}; + +static struct mc13783_platform_data mc13783_data = { + .regulators = NULL, + .num_regulators = 0, + .flags = MC13783_USE_TOUCHSCREEN, +}; +static struct spi_board_info mxc_spi_board_info[] __initdata = { + { + .modalias = "mc13783", + .platform_data = &mc13783_data, + .irq = IRQ_GPIOB(29), + .max_speed_hz = 4000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + static struct platform_device *platform_devices[] __initdata = { &mx27lite_nor_mtd_device, &mxc_fec_device, @@ -338,6 +372,8 @@ static void __init mx27lite_init(void) { mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins), "imx27lite"); + mxc_gpio_mode(PD28_PF_CSPI1_SS0); + mxc_gpio_mode(PD27_PF_CSPI1_SS1); mxc_register_device(&mxc_uart_device0, &uart_pdata); mxc_register_device(&mxc_nand_device, &mx27lite_nand_board_info); mxc_register_device(&mxc_fb_device, &logic_mbimx27_fb_data); @@ -349,6 +385,9 @@ static void __init mx27lite_init(void) mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); + mxc_register_device(&mxc_spi_device0, &mx27lite_spi_0_data); + spi_register_board_info(mxc_spi_board_info, ARRAY_SIZE(mxc_spi_board_info)); + i2c_register_board_info(0, mx27lite_i2c_devices_0, ARRAY_SIZE(mx27lite_i2c_devices_0)); mxc_register_device(&mxc_i2c_device0, &mx27lite_i2c_data_0); |