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 4116781..d4bce6d 100644
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -74,3 +74,24 @@
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);
+}