ARM: SAMSUNG: Add clock types into platform data
This patch adds clock types into platform data to support
external clock divider instead of internal clock divider.
It is defined that what kinds of clock type is used in machine.
Signed-off-by: Jeongbae Seo <jeongbae.seo@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s5pv310/mach-smdkc210.c b/arch/arm/mach-s5pv310/mach-smdkc210.c
index da5e7e7..93d537b 100644
--- a/arch/arm/mach-s5pv310/mach-smdkc210.c
+++ b/arch/arm/mach-s5pv310/mach-smdkc210.c
@@ -74,6 +74,7 @@
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK0(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_S5PV310_SDHCI_CH0_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
@@ -84,12 +85,14 @@
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK0(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct s3c_sdhci_platdata smdkc210_hsmmc2_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK2(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_S5PV310_SDHCI_CH2_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
@@ -100,6 +103,7 @@
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK2(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct platform_device *smdkc210_devices[] __initdata = {
diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c
index 6eff6ce..10f8056 100644
--- a/arch/arm/mach-s5pv310/mach-smdkv310.c
+++ b/arch/arm/mach-s5pv310/mach-smdkv310.c
@@ -74,6 +74,7 @@
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK0(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_S5PV310_SDHCI_CH0_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
@@ -84,12 +85,14 @@
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK0(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK2(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_S5PV310_SDHCI_CH2_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
@@ -100,6 +103,7 @@
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = S5PV310_GPK2(2),
.ext_cd_gpio_invert = 1,
+ .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct platform_device *smdkv310_devices[] __initdata = {
diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c
index 5b8aacb..db7a65c 100644
--- a/arch/arm/plat-samsung/dev-hsmmc.c
+++ b/arch/arm/plat-samsung/dev-hsmmc.c
@@ -41,6 +41,7 @@
.max_width = 4,
.host_caps = (MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+ .clk_type = S3C_SDHCI_CLK_DIV_INTERNAL,
};
struct platform_device s3c_device_hsmmc0 = {
@@ -73,4 +74,6 @@
set->cfg_card = pd->cfg_card;
if (pd->host_caps)
set->host_caps |= pd->host_caps;
+ if (pd->clk_type)
+ set->clk_type = pd->clk_type;
}
diff --git a/arch/arm/plat-samsung/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c
index 9b52828..2497321 100644
--- a/arch/arm/plat-samsung/dev-hsmmc1.c
+++ b/arch/arm/plat-samsung/dev-hsmmc1.c
@@ -41,6 +41,7 @@
.max_width = 4,
.host_caps = (MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+ .clk_type = S3C_SDHCI_CLK_DIV_INTERNAL,
};
struct platform_device s3c_device_hsmmc1 = {
@@ -73,4 +74,6 @@
set->cfg_card = pd->cfg_card;
if (pd->host_caps)
set->host_caps |= pd->host_caps;
+ if (pd->clk_type)
+ set->clk_type = pd->clk_type;
}
diff --git a/arch/arm/plat-samsung/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c
index df9e36b..f60aedb 100644
--- a/arch/arm/plat-samsung/dev-hsmmc2.c
+++ b/arch/arm/plat-samsung/dev-hsmmc2.c
@@ -42,6 +42,7 @@
.max_width = 4,
.host_caps = (MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+ .clk_type = S3C_SDHCI_CLK_DIV_INTERNAL,
};
struct platform_device s3c_device_hsmmc2 = {
@@ -74,4 +75,6 @@
set->cfg_card = pd->cfg_card;
if (pd->host_caps)
set->host_caps |= pd->host_caps;
+ if (pd->clk_type)
+ set->clk_type = pd->clk_type;
}
diff --git a/arch/arm/plat-samsung/dev-hsmmc3.c b/arch/arm/plat-samsung/dev-hsmmc3.c
index ca80897..ede776f 100644
--- a/arch/arm/plat-samsung/dev-hsmmc3.c
+++ b/arch/arm/plat-samsung/dev-hsmmc3.c
@@ -45,6 +45,7 @@
.max_width = 4,
.host_caps = (MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+ .clk_type = S3C_SDHCI_CLK_DIV_INTERNAL,
};
struct platform_device s3c_device_hsmmc3 = {
@@ -77,4 +78,6 @@
set->cfg_card = pd->cfg_card;
if (pd->host_caps)
set->host_caps |= pd->host_caps;
+ if (pd->clk_type)
+ set->clk_type = pd->clk_type;
}
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index d92670a..85853f8 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -28,11 +28,17 @@
S3C_SDHCI_CD_PERMANENT, /* no CD line, card permanently wired to host */
};
+enum clk_types {
+ S3C_SDHCI_CLK_DIV_INTERNAL, /* use mmc internal clock divider */
+ S3C_SDHCI_CLK_DIV_EXTERNAL, /* use external clock divider */
+};
+
/**
* struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI
* @max_width: The maximum number of data bits supported.
* @host_caps: Standard MMC host capabilities bit field.
* @cd_type: Type of Card Detection method (see cd_types enum above)
+ * @clk_type: Type of clock divider method (see clk_types enum above)
* @ext_cd_init: Initialize external card detect subsystem. Called on
* sdhci-s3c driver probe when cd_type == S3C_SDHCI_CD_EXTERNAL.
* notify_func argument is a callback to the sdhci-s3c driver
@@ -59,6 +65,7 @@
unsigned int max_width;
unsigned int host_caps;
enum cd_types cd_type;
+ enum clk_types clk_type;
char **clocks; /* set of clock sources */