diff options
Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c')
| -rw-r--r-- | arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c index 2cf603e11c4..dfd2da87c2d 100644 --- a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c +++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c @@ -23,6 +23,7 @@ #include <linux/leds.h> #include <linux/platform_device.h> #include <linux/input.h> +#include <linux/spi/spi.h> #include <video/platform_lcd.h> #include <mach/hardware.h> @@ -87,12 +88,22 @@ static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { /* CAN */ MX25_PAD_GPIO_D__CAN2_RX, MX25_PAD_GPIO_C__CAN2_TX, + /* SPI1 */ + MX25_PAD_CSPI1_MOSI__CSPI1_MOSI, + MX25_PAD_CSPI1_MISO__CSPI1_MISO, + MX25_PAD_CSPI1_SS0__GPIO_1_16, + MX25_PAD_CSPI1_SS1__GPIO_1_17, + MX25_PAD_CSPI1_SCLK__CSPI1_SCLK, + MX25_PAD_CSPI1_RDY__GPIO_2_22, }; -#define GPIO_LED1 83 -#define GPIO_SWITCH1 82 -#define GPIO_SD1CD 52 -#define GPIO_LCDPWR 26 +#define GPIO_LED1 IMX_GPIO_NR(3, 19) +#define GPIO_SWITCH1 IMX_GPIO_NR(3, 18) +#define GPIO_SD1CD IMX_GPIO_NR(2, 20) +#define GPIO_LCDPWR IMX_GPIO_NR(1, 26) +#define GPIO_SPI1_SS0 IMX_GPIO_NR(1, 16) +#define GPIO_SPI1_SS1 IMX_GPIO_NR(1, 17) +#define GPIO_SPI1_IRQ IMX_GPIO_NR(2, 22) static struct imx_fb_videomode eukrea_mximxsd_modes[] = { { @@ -228,6 +239,30 @@ static struct esdhc_platform_data sd1_pdata = { .wp_type = ESDHC_WP_NONE, }; +static struct spi_board_info eukrea_mbimxsd25_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_mbimxsd25_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1}; + +static const struct spi_imx_master eukrea_mbimxsd25_spi0_data __initconst = { + .chipselect = eukrea_mbimxsd25_spi_cs, + .num_chipselect = ARRAY_SIZE(eukrea_mbimxsd25_spi_cs), +}; + /* * system init for baseboard usage. Will be called by cpuimx25 init. * @@ -257,11 +292,17 @@ void __init eukrea_mbimxsd25_baseboard_init(void) gpio_request(GPIO_LCDPWR, "LCDPWR"); gpio_direction_output(GPIO_LCDPWR, 1); - gpio_free(GPIO_SWITCH1); 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); + imx25_add_spi_imx0(&eukrea_mbimxsd25_spi0_data); + spi_register_board_info(eukrea_mbimxsd25_spi_board_info, + ARRAY_SIZE(eukrea_mbimxsd25_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); |