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-rw-r--r--arch/arm/mach-shmobile/board-ap4evb.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 14923989ea05..22a2b44ddb7b 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -235,6 +235,18 @@ static struct platform_device smc911x_device = {
},
};
+/*
+ * The card detect pin of the top SD/MMC slot (CN7) is active low and is
+ * connected to GPIO A22 of SH7372 (GPIO_PORT41).
+ */
+static int slot_cn7_get_cd(struct platform_device *pdev)
+{
+ if (gpio_is_valid(GPIO_PORT41))
+ return !gpio_get_value(GPIO_PORT41);
+ else
+ return -ENXIO;
+}
+
/* SH_MMCIF */
static struct resource sh_mmcif_resources[] = {
[0] = {
@@ -261,6 +273,7 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
.caps = MMC_CAP_4_BIT_DATA |
MMC_CAP_8_BIT_DATA |
MMC_CAP_NEEDS_POLL,
+ .get_cd = slot_cn7_get_cd,
};
static struct platform_device sh_mmcif_device = {
@@ -310,6 +323,8 @@ static struct sh_mobile_sdhi_info sdhi1_info = {
.dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
.tmio_ocr_mask = MMC_VDD_165_195,
.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
+ .tmio_caps = MMC_CAP_NEEDS_POLL,
+ .get_cd = slot_cn7_get_cd,
};
static struct resource sdhi1_resources[] = {
@@ -948,6 +963,10 @@ static void __init ap4evb_init(void)
gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
+ /* card detect pin for MMC slot (CN7) */
+ gpio_request(GPIO_PORT41, NULL);
+ gpio_direction_input(GPIO_PORT41);
+
/* set SPU2 clock to 119.6 MHz */
clk = clk_get(NULL, "spu_clk");
if (!IS_ERR(clk)) {