From b6516677c0731e73d1fe0da90bdb880111cf5db7 Mon Sep 17 00:00:00 2001 From: Donghwa Lee Date: Mon, 2 Jul 2012 01:15:56 +0000 Subject: [PATCH] EXYNOS5: support display port phy control function This patch support display port phy control function. Signed-off-by: Donghwa Lee Signed-off-by: Kyungmin Park Signed-off-by: Minkyu Kang --- arch/arm/cpu/armv7/exynos/power.c | 21 +++++++++++++++++++++ arch/arm/include/asm/arch-exynos/power.h | 5 +++++ 2 files changed, 26 insertions(+) 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 @@ 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 e5467e2..d2fdb59 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 -- 2.7.4