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Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c')
-rw-r--r--arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c42
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 fd8bf8a..557f6c48 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);