From 65529f20bf4a1fdb829c755b5039e329f0bad8f2 Mon Sep 17 00:00:00 2001
From: Arnd Hannemann <arnd@arndnet.de>
Date: Fri, 10 Sep 2010 18:54:20 +0200
Subject: [PATCH] --- yaml --- r: 220592 b: refs/heads/master c:
 68accd7370a90b899ea6563ba9032e5a102ec1b5 h: refs/heads/master v: v3

---
 [refs]                                      |  2 +-
 trunk/arch/arm/mach-shmobile/board-ap4evb.c | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 1b21ad498978..dbc8c6ab8766 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 777271d0f33da306575ef776c75f66fc27246bf0
+refs/heads/master: 68accd7370a90b899ea6563ba9032e5a102ec1b5
diff --git a/trunk/arch/arm/mach-shmobile/board-ap4evb.c b/trunk/arch/arm/mach-shmobile/board-ap4evb.c
index 14923989ea05..22a2b44ddb7b 100644
--- a/trunk/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/trunk/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)) {