[U-Boot] [PATCH 2/3] arm: exynos: pinmux: Add sdmmc4 gpio configuration

[Beomho Seo]

For use dwmmc controller, add SDMMC4 gpio configuration.

Signed-off-by: Beomho Seo <beomho.seo at samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
Cc: Minkyu Kang <mk7.kang at samsung.com>
---
 arch/arm/cpu/armv7/exynos/pinmux.c |   20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 645c497..a67664f 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -623,16 +623,25 @@ static int exynos4_mmc_config(int peripheral, int flags)
 	struct exynos4_gpio_part2 *gpio2 =
 		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
 	struct s5p_gpio_bank *bank, *bank_ext;
+	unsigned int func, func_ext = 0;
 	int i;

 	switch (peripheral) {
 	case PERIPH_ID_SDMMC0:
 		bank = &gpio2->k0;
 		bank_ext = &gpio2->k1;
+		func = GPIO_FUNC(0x2);
+		func_ext = GPIO_FUNC(0x3);
 		break;
 	case PERIPH_ID_SDMMC2:
 		bank = &gpio2->k2;
-		bank_ext = &gpio2->k3;
+		func = GPIO_FUNC(0x2);
+		break;
+	case PERIPH_ID_SDMMC4:
+		bank = &gpio2->k0;
+		bank_ext = &gpio2->k1;
+		func = GPIO_FUNC(0x3);
+		func_ext = GPIO_FUNC(0x4);
 		break;
 	default:
 		return -1;
@@ -640,13 +649,14 @@ static int exynos4_mmc_config(int peripheral, int flags)
 	for (i = 0; i < 7; i++) {
 		if (i == 2)
 			continue;
-		s5p_gpio_cfg_pin(bank, i,  GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(bank, i, func);
 		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
 		s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
 	}
-	if (flags & PINMUX_FLAG_8BIT_MODE) {
+	if ((flags & PINMUX_FLAG_8BIT_MODE) &&
+			~(peripheral & PERIPH_ID_SDMMC2)) {
 		for (i = 3; i < 7; i++) {
-			s5p_gpio_cfg_pin(bank_ext, i,  GPIO_FUNC(0x3));
+			s5p_gpio_cfg_pin(bank_ext, i,  func_ext);
 			s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_NONE);
 			s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
 		}
@@ -710,10 +720,10 @@ static int exynos4_pinmux_config(int peripheral, int flags)
 		break;
 	case PERIPH_ID_SDMMC0:
 	case PERIPH_ID_SDMMC2:
+	case PERIPH_ID_SDMMC4:
 		return exynos4_mmc_config(peripheral, flags);
 	case PERIPH_ID_SDMMC1:
 	case PERIPH_ID_SDMMC3:
-	case PERIPH_ID_SDMMC4:
 		debug("SDMMC device %d not implemented\n", peripheral);
 		return -1;
 	default:
-- 
1.7.9.5

-- 
Best Regards,