s3c_mci-gta01.patch

1 files changed, 56 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
index 3462c7f7058..87bb1899a67 100644
--- a/arch/arm/mach-s3c2410/mach-gta01.c
+++ b/arch/arm/mach-s3c2410/mach-gta01.c
@@ -59,6 +59,7 @@
 
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/fb.h>
+#include <asm/arch/mci.h>
 #include <asm/arch/spi.h>
 #include <asm/arch/spi-gpio.h>
 #include <asm/arch/usb-control.h>
@@ -382,6 +383,59 @@ static struct s3c2410_platform_nand gta01_nand_info = {
 	.sets		= gta01_nand_sets,
 };
 
+static void gta01_mmc_set_power(unsigned char power_mode, unsigned short vdd)
+{
+	int bit;
+	int mv = 1700; /* 1.7V for MMC_VDD_165_195 */
+
+	printk(KERN_DEBUG "mmc_set_power(power_mode=%u, vdd=%u\n",
+	       power_mode, vdd);
+
+	switch (system_rev) {
+	case GTA01v3_SYSTEM_REV:
+		switch (power_mode) {
+		case MMC_POWER_OFF:
+			pcf50606_onoff_set(pcf50606_global,
+					   PCF50606_REGULATOR_D2REG, 0);
+			break;
+		case MMC_POWER_ON:
+			/* translate MMC_VDD_* VDD bit to mv */
+			for (bit = 8; bit != 24; bit++)
+				if (vdd == (1 << bit))
+					mv += 100 * (bit - 4);
+			pcf50606_voltage_set(pcf50606_global,
+					     PCF50606_REGULATOR_D2REG, mv);
+			pcf50606_onoff_set(pcf50606_global,
+					   PCF50606_REGULATOR_D2REG, 1);
+			break;
+		}
+		break;
+	case GTA01v4_SYSTEM_REV:
+	case GTA01Bv2_SYSTEM_REV:
+	case GTA01Bv3_SYSTEM_REV:
+	case GTA01Bv4_SYSTEM_REV:
+		switch (power_mode) {
+		case MMC_POWER_OFF:
+			s3c2410_gpio_setpin(GTA01_GPIO_SDMMC_ON, 1);
+			break;
+		case MMC_POWER_ON:
+			s3c2410_gpio_setpin(GTA01_GPIO_SDMMC_ON, 0);
+			break;
+		}
+		break;
+	}
+}
+
+static struct s3c24xx_mci_pdata gta01_mmc_cfg = {
+	.gpio_detect	= GTA01_GPIO_nSD_DETECT,
+	.set_power	= &gta01_mmc_set_power,
+	.ocr_avail	= MMC_VDD_165_195|MMC_VDD_20_21|
+			  MMC_VDD_21_22|MMC_VDD_22_23|MMC_VDD_23_24|
+			  MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
+			  MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
+			  MMC_VDD_30_31|MMC_VDD_31_32|MMC_VDD_32_33,
+};
+
 static void gta01_udc_command(enum s3c2410_udc_cmd_e cmd)
 {
 	printk(KERN_DEBUG "%s(%d)\n", __func__, cmd);
@@ -598,10 +652,12 @@ static void __init gta01_machine_init(void)
 	    system_rev == GTA01Bv3_SYSTEM_REV ||
 	    system_rev == GTA01Bv4_SYSTEM_REV) {
 		gta01_udc_cfg.udc_command = gta01_udc_command;
+		gta01_mmc_cfg.ocr_avail = MMC_VDD_32_33;
 	}
 
 	s3c_device_usb.dev.platform_data = &gta01_usb_info;
 	s3c_device_nand.dev.platform_data = &gta01_nand_info;
+	s3c_device_sdi.dev.platform_data = &gta01_mmc_cfg;
 
 	s3c24xx_fb_set_platdata(&gta01_lcd_cfg);