From: Donghwa Lee <dh09.lee@samsung.com>
Date: Mon, 2 Jul 2012 01:15:56 +0000 (+0000)
Subject: EXYNOS5: support display port phy control function
X-Git-Tag: v2012.10-rc1~196
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b6516677c0731e73d1fe0da90bdb880111cf5db7;p=u-boot

EXYNOS5: support display port phy control function

This patch support display port phy control function.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
---

diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index 4116781a36..d4bce6d4dd 100644
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -74,3 +74,24 @@ void set_usbhost_phy_ctrl(unsigned int enable)
 	if (cpu_is_exynos5())
 		exynos5_set_usbhost_phy_ctrl(enable);
 }
+
+static void exynos5_dp_phy_control(unsigned int enable)
+{
+	unsigned int cfg;
+	struct exynos5_power *power =
+	    (struct exynos5_power *)samsung_get_base_power();
+
+	cfg = readl(&power->dptx_phy_control);
+	if (enable)
+		cfg |= EXYNOS_DP_PHY_ENABLE;
+	else
+		cfg &= ~EXYNOS_DP_PHY_ENABLE;
+
+	writel(cfg, &power->dptx_phy_control);
+}
+
+void set_dp_phy_ctrl(unsigned int enable)
+{
+	if (cpu_is_exynos5())
+		exynos5_dp_phy_control(enable);
+}
diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h
index e5467e242d..d2fdb59817 100644
--- a/arch/arm/include/asm/arch-exynos/power.h
+++ b/arch/arm/include/asm/arch-exynos/power.h
@@ -859,4 +859,9 @@ void set_usbhost_phy_ctrl(unsigned int enable);
 
 #define POWER_USB_HOST_PHY_CTRL_EN		(1 << 0)
 #define POWER_USB_HOST_PHY_CTRL_DISABLE		(0 << 0)
+
+void set_dp_phy_ctrl(unsigned int enable);
+
+#define EXYNOS_DP_PHY_ENABLE		(1 << 0)
+
 #endif