ARM: S5PV210: Add support HSMMC on SMDKV210

This patch adds support HSMMC on SMDKV210, and gpio configuration for
S5PV210 hsmmc3.

Signed-off-by: Hyuk Lee <hyuk1.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5pv210/Kconfig

@@ -102,6 +102,10 @@ config MACH_SMDKV210
 	select CPU_S5PV210
 	select ARCH_SPARSEMEM_ENABLE
 	select SAMSUNG_DEV_ADC
+	select S3C_DEV_HSMMC
+	select S3C_DEV_HSMMC1
+	select S3C_DEV_HSMMC2
+	select S3C_DEV_HSMMC3
 	select SAMSUNG_DEV_IDE
 	select SAMSUNG_DEV_KEYPAD
 	select SAMSUNG_DEV_TS
@@ -109,6 +113,7 @@ config MACH_SMDKV210
 	select S5PV210_SETUP_KEYPAD
 	select HAVE_S3C2410_WATCHDOG
 	select S5PV210_SETUP_IDE
+	select S5PV210_SETUP_SDHCI
 	help
 	  Machine support for Samsung SMDKV210
 

arch/arm/mach-s5pv210/cpu.c

@@ -87,6 +87,7 @@ void __init s5pv210_map_io(void)
 	s5pv210_default_sdhci0();
 	s5pv210_default_sdhci1();
 	s5pv210_default_sdhci2();
+	s5pv210_default_sdhci3();
 
 	s3c_cfcon_setname("s5pv210-pata");
 

arch/arm/mach-s5pv210/include/mach/map.h

@@ -101,6 +101,7 @@
 #define S3C_PA_HSMMC0		S5PV210_PA_HSMMC(0)
 #define S3C_PA_HSMMC1		S5PV210_PA_HSMMC(1)
 #define S3C_PA_HSMMC2		S5PV210_PA_HSMMC(2)
+#define S3C_PA_HSMMC3		S5PV210_PA_HSMMC(3)
 #define S3C_PA_IIC		S5PV210_PA_IIC0
 #define S3C_PA_IIC1		S5PV210_PA_IIC1
 #define S3C_PA_IIC2		S5PV210_PA_IIC2

arch/arm/mach-s5pv210/mach-smdkv210.c

@@ -103,6 +103,10 @@ static struct platform_device *smdkv210_devices[] __initdata = {
 	&s5pv210_device_ac97,
 	&s3c_device_adc,
 	&s3c_device_cfcon,
+	&s3c_device_hsmmc0,
+	&s3c_device_hsmmc1,
+	&s3c_device_hsmmc2,
+	&s3c_device_hsmmc3,
 	&samsung_device_keypad,
 	&s3c_device_ts,
 	&s3c_device_wdt,

arch/arm/mach-s5pv210/setup-sdhci-gpio.c

@@ -102,3 +102,23 @@ void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
 	s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP);
 	s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2));
 }
+
+void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
+{
+	unsigned int gpio;
+
+	/* Set all the necessary GPG3[0:2] pins to special-function 2 */
+	for (gpio = S5PV210_GPG3(0); gpio < S5PV210_GPG3(2); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	/* Data pin GPG3[3:6] to special-function 2 */
+	for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++) {
+		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+	}
+
+	s3c_gpio_setpull(S5PV210_GPG3(2), S3C_GPIO_PULL_UP);
+	s3c_gpio_cfgpin(S5PV210_GPG3(2), S3C_GPIO_SFN(2));
+}

arch/arm/plat-samsung/include/plat/sdhci.h

@@ -78,6 +78,7 @@ extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
 extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
+extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w);
 
 /* S3C6400 SDHCI setup */
 
@@ -266,10 +267,22 @@ static inline void s5pv210_default_sdhci2(void)
 static inline void s5pv210_default_sdhci2(void) { }
 #endif /* CONFIG_S3C_DEV_HSMMC2 */
 
+#ifdef CONFIG_S3C_DEV_HSMMC3
+static inline void s5pv210_default_sdhci3(void)
+{
+	s3c_hsmmc3_def_platdata.clocks = s5pv210_hsmmc_clksrcs;
+	s3c_hsmmc3_def_platdata.cfg_gpio = s5pv210_setup_sdhci3_cfg_gpio;
+	s3c_hsmmc3_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card;
+}
+#else
+static inline void s5pv210_default_sdhci3(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC3 */
+
 #else
 static inline void s5pv210_default_sdhci0(void) { }
 static inline void s5pv210_default_sdhci1(void) { }
 static inline void s5pv210_default_sdhci2(void) { }
+static inline void s5pv210_default_sdhci3(void) { }
 #endif /* CONFIG_S5PC100_SETUP_SDHCI */