diff options
Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c')
| -rw-r--r-- | arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c index fd8bf8a425a7..557f6c486053 100644 --- a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c +++ b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c @@ -27,6 +27,7 @@ #include <linux/leds.h> #include <linux/platform_device.h> #include <linux/input.h> +#include <linux/spi/spi.h> #include <video/platform_lcd.h> #include <linux/i2c.h> @@ -158,12 +159,22 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { MX35_PAD_SD1_DATA3__ESDHC1_DAT3, /* SD1 CD */ MX35_PAD_LD18__GPIO3_24, + /* SPI */ + MX35_PAD_CSPI1_MOSI__CSPI1_MOSI, + MX35_PAD_CSPI1_MISO__CSPI1_MISO, + MX35_PAD_CSPI1_SS0__GPIO1_18, + MX35_PAD_CSPI1_SS1__GPIO1_19, + MX35_PAD_CSPI1_SCLK__CSPI1_SCLK, + MX35_PAD_CSPI1_SPI_RDY__GPIO3_5, }; #define GPIO_LED1 IMX_GPIO_NR(3, 29) #define GPIO_SWITCH1 IMX_GPIO_NR(3, 25) #define GPIO_LCDPWR IMX_GPIO_NR(1, 4) #define GPIO_SD1CD IMX_GPIO_NR(3, 24) +#define GPIO_SPI1_SS0 IMX_GPIO_NR(1, 18) +#define GPIO_SPI1_SS1 IMX_GPIO_NR(1, 19) +#define GPIO_SPI1_IRQ IMX_GPIO_NR(3, 5) static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) @@ -239,6 +250,30 @@ static struct esdhc_platform_data sd1_pdata = { .wp_type = ESDHC_WP_NONE, }; +static struct spi_board_info eukrea_mbimxsd35_spi_board_info[] __initdata = { + { + .modalias = "spidev", + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + .mode = SPI_MODE_0, + }, + { + .modalias = "spidev", + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 1, + .mode = SPI_MODE_0, + }, +}; + +static int eukrea_mbimxsd35_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1}; + +static const struct spi_imx_master eukrea_mbimxsd35_spi0_data __initconst = { + .chipselect = eukrea_mbimxsd35_spi_cs, + .num_chipselect = ARRAY_SIZE(eukrea_mbimxsd35_spi_cs), +}; + /* * system init for baseboard usage. Will be called by cpuimx35 init. * @@ -274,6 +309,13 @@ void __init eukrea_mbimxsd35_baseboard_init(void) i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); + gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ"); + gpio_direction_input(GPIO_SPI1_IRQ); + gpio_free(GPIO_SPI1_IRQ); + imx35_add_spi_imx0(&eukrea_mbimxsd35_spi0_data); + spi_register_board_info(eukrea_mbimxsd35_spi_board_info, + ARRAY_SIZE(eukrea_mbimxsd35_spi_board_info)); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); gpio_led_register_device(-1, &eukrea_mbimxsd_led_info); imx_add_gpio_keys(&eukrea_mbimxsd_button_data); |