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[v4,7/9] davinci: MMC/SD support for Omapl138-Hawkboar

Message ID 1287112105-11968-8-git-send-email-vm.rod25@gmail.com (mailing list archive)
State Superseded
Headers show

Commit Message

Victor Rodriguez Oct. 15, 2010, 3:08 a.m. UTC
None
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Patch

diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index 6f76220..87dea28 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -23,6 +23,8 @@ 
 #include <mach/mux.h>
 
 #define HAWKBOARD_PHY_ID		"0:07"
+#define DA850_HAWK_MMCSD_CD_PIN		GPIO_TO_PIN(3, 12)
+#define DA850_HAWK_MMCSD_WP_PIN		GPIO_TO_PIN(3, 13)
 
 static short omapl138_hawk_mii_pins[] __initdata = {
 	DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
@@ -150,6 +152,32 @@  static struct snd_platform_data omapl138_hawk_snd_data = {
 	.rxnumevt	= 1,
 };
 
+static const short hawk_mmcsd0_pins[] = {
+	DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
+	DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
+	DA850_GPIO3_12, DA850_GPIO3_13,
+	-1
+};
+
+static int da850_hawk_mmc_get_ro(int index)
+{
+	return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN);
+}
+
+static int da850_hawk_mmc_get_cd(int index)
+{
+	return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN);
+}
+
+static struct davinci_mmc_config da850_mmc_config = {
+	.get_ro		= da850_hawk_mmc_get_ro,
+	.get_cd		= da850_hawk_mmc_get_cd,
+	.wires		= 4,
+	.max_freq	= 50000000,
+	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+	.version	= MMC_CTLR_VERSION_2,
+};
+
 static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
 	.enabled_uarts = 0x7,
 };
@@ -180,6 +208,28 @@  static __init void omapl138_hawk_init(void)
 		pr_warning("%s: mcasp mux setup failed: %d\n", __func__, ret);
 	da8xx_register_mcasp(0, &omapl138_hawk_snd_data);
 
+	ret = davinci_cfg_reg_list(hawk_mmcsd0_pins);
+	if (ret)
+		pr_warning("%s: MMC/SD0 mux setup failed: %d\n",
+			__func__, ret);
+
+	ret = gpio_request(DA850_HAWK_MMCSD_CD_PIN, "MMC CD\n");
+	if (ret)
+		pr_warning("%s: can not open GPIO %d\n",
+			__func__, DA850_HAWK_MMCSD_CD_PIN);
+	gpio_direction_input(DA850_HAWK_MMCSD_CD_PIN);
+
+	ret = gpio_request(DA850_HAWK_MMCSD_WP_PIN, "MMC WP\n");
+	if (ret)
+		pr_warning("%s: can not open GPIO %d\n",
+			__func__, DA850_HAWK_MMCSD_WP_PIN);
+	gpio_direction_input(DA850_HAWK_MMCSD_WP_PIN);
+
+	ret = da8xx_register_mmcsd0(&da850_mmc_config);
+	if (ret)
+		pr_warning("%s: MMC/SD0 registration failed: %d\n",
+			__func__, ret);
+
 	ret = da8xx_register_watchdog();
 	if (ret)
 		pr_warning("omapl138_hawk_init: "