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Diffstat (limited to 'arch/arm/mach-mx5/board-mx53_loco.c')
-rw-r--r--arch/arm/mach-mx5/board-mx53_loco.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 940aac932fa3..0af2766f8610 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -22,6 +22,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
+#include <linux/i2c.h>
#include <mach/common.h>
#include <mach/hardware.h>
@@ -42,6 +43,7 @@
#define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
#define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
#define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
+#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)
static iomux_v3_cfg_t mx53_loco_pads[] = {
/* FEC */
@@ -64,6 +66,10 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
+ /* I2C1 */
+ MX53_PAD_CSI0_DAT8__I2C1_SDA,
+ MX53_PAD_CSI0_DAT9__I2C1_SCL,
+ MX53_PAD_NANDF_CS1__GPIO6_14, /* Accelerometer Enable */
/* I2C2 */
MX53_PAD_KEY_COL3__I2C2_SCL,
MX53_PAD_KEY_ROW3__I2C2_SDA,
@@ -257,8 +263,15 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
.num_leds = ARRAY_SIZE(mx53loco_leds),
};
+static struct i2c_board_info mx53loco_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("mma8450", 0x1C),
+ },
+};
+
static void __init mx53_loco_board_init(void)
{
+ int ret;
imx53_soc_init();
mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
@@ -267,6 +280,13 @@ static void __init mx53_loco_board_init(void)
mx53_loco_fec_reset();
imx53_add_fec(&mx53_loco_fec_data);
imx53_add_imx2_wdt(0, NULL);
+
+ ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
+ if (ret)
+ pr_err("Cannot request ACCEL_EN pin: %d\n", ret);
+
+ i2c_register_board_info(0, mx53loco_i2c_devices,
+ ARRAY_SIZE(mx53loco_i2c_devices));
imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
@@ -289,6 +309,7 @@ MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
.map_io = mx53_map_io,
.init_early = imx53_init_early,
.init_irq = mx53_init_irq,
+ .handle_irq = imx53_handle_irq,
.timer = &mx53_loco_timer,
.init_machine = mx53_loco_board_init,
MACHINE_END