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 4116781a36aad71ba46c7afa59b60954a74ce8fc..d4bce6d4ddad74ab150e61e6d4dd9e470839999d 100644 (file)
--- 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 e5467e242defdb3d23af48d5345c501a50829a24..d2fdb598174172a9f5ddd5ed3c91dd704911f583 100644 (file)
--- 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