ARM: S5PV310: Universal SDHCI devices support

Universal (C210) board has 3 SDHCI devices.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: minor edit of title]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 84 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
index 3bf72a60bf53..e0cef3fd165e 100644
--- a/arch/arm/mach-s5pv310/Kconfig
+++ b/arch/arm/mach-s5pv310/Kconfig
@@ -88,6 +88,10 @@ config MACH_UNIVERSAL_C210
         bool "Mobile UNIVERSAL_C210 Board"
         select CPU_S5PV310
         select S5P_DEV_ONENAND
+        select S3C_DEV_HSMMC
+        select S3C_DEV_HSMMC2
+        select S3C_DEV_HSMMC3
+        select S5PV310_SETUP_SDHCI
         select S3C_DEV_I2C1
         select S5PV310_SETUP_I2C1
         help
diff --git a/arch/arm/mach-s5pv310/mach-universal_c210.c b/arch/arm/mach-s5pv310/mach-universal_c210.c
index 16d8fc00cafd..36bc3cf825e3 100644
--- a/arch/arm/mach-s5pv310/mach-universal_c210.c
+++ b/arch/arm/mach-s5pv310/mach-universal_c210.c
@@ -13,6 +13,9 @@
 #include <linux/i2c.h>
 #include <linux/gpio_keys.h>
 #include <linux/gpio.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mmc/host.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -21,6 +24,7 @@
 #include <plat/s5pv310.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
+#include <plat/sdhci.h>
 
 #include <mach/map.h>
 
@@ -116,6 +120,73 @@ static struct platform_device universal_gpio_keys = {
         },
 };
 
+/* eMMC */
+static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
+        .max_width              = 8,
+        .host_caps              = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+                                MMC_CAP_DISABLE),
+        .cd_type                = S3C_SDHCI_CD_PERMANENT,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+static struct regulator_consumer_supply mmc0_supplies[] = {
+        REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
+};
+
+static struct regulator_init_data mmc0_fixed_voltage_init_data = {
+        .constraints            = {
+                .name           = "VMEM_VDD_2.8V",
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(mmc0_supplies),
+        .consumer_supplies      = mmc0_supplies,
+};
+
+static struct fixed_voltage_config mmc0_fixed_voltage_config = {
+        .supply_name            = "MASSMEMORY_EN",
+        .microvolts             = 2800000,
+        .gpio                   = S5PV310_GPE1(3),
+        .enable_high            = true,
+        .init_data              = &mmc0_fixed_voltage_init_data,
+};
+
+static struct platform_device mmc0_fixed_voltage = {
+        .name                   = "reg-fixed-voltage",
+        .id                     = 0,
+        .dev                    = {
+                .platform_data  = &mmc0_fixed_voltage_config,
+        },
+};
+
+/* SD */
+static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = {
+        .max_width              = 4,
+        .host_caps              = MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+                                MMC_CAP_DISABLE,
+        .ext_cd_gpio            = S5PV310_GPX3(4),      /* XEINT_28 */
+        .ext_cd_gpio_invert     = 1,
+        .cd_type                = S3C_SDHCI_CD_GPIO,
+        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
+};
+
+/* WiFi */
+static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = {
+        .max_width              = 4,
+        .host_caps              = MMC_CAP_4_BIT_DATA |
+                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
+                                MMC_CAP_DISABLE,
+        .cd_type                = S3C_SDHCI_CD_EXTERNAL,
+};
+
+static void __init universal_sdhci_init(void)
+{
+        s3c_sdhci0_set_platdata(&universal_hsmmc0_data);
+        s3c_sdhci2_set_platdata(&universal_hsmmc2_data);
+        s3c_sdhci3_set_platdata(&universal_hsmmc3_data);
+}
+
 /* I2C0 */
 static struct i2c_board_info i2c0_devs[] __initdata = {
         /* Camera, To be updated */
@@ -127,6 +198,13 @@ static struct i2c_board_info i2c1_devs[] __initdata = {
 };
 
 static struct platform_device *universal_devices[] __initdata = {
+        /* Samsung Platform Devices */
+        &mmc0_fixed_voltage,
+        &s3c_device_hsmmc0,
+        &s3c_device_hsmmc2,
+        &s3c_device_hsmmc3,
+
+        /* Universal Devices */
         &universal_gpio_keys,
         &s5p_device_onenand,
 };
@@ -140,6 +218,8 @@ static void __init universal_map_io(void)
 
 static void __init universal_machine_init(void)
 {
+        universal_sdhci_init();
+
         i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
         i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));