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| author | Donghwa Lee <dh09.lee@samsung.com> | 2012-07-02 01:15:56 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:24 +0200 |
| commit | b6516677c0731e73d1fe0da90bdb880111cf5db7 (patch) | |
| tree | 50110a0bf895ffe8d488765de1cac6f1e5ab5538 | |
| parent | 46524beb4a451b7fdb172afaa1468b5300aa7cbf (diff) | |
| download | olio-uboot-2014.01-b6516677c0731e73d1fe0da90bdb880111cf5db7.tar.xz olio-uboot-2014.01-b6516677c0731e73d1fe0da90bdb880111cf5db7.zip | |
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>
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 21 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/power.h | 5 |
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index 4116781a3..d4bce6d4d 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 e5467e242..d2fdb5981 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 |