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EXYNOS5: support display port phy control function

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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>
This commit is contained in:
Donghwa Lee 2012-07-02 01:15:56 +00:00 committed by Albert ARIBAUD
parent 46524beb4a
commit b6516677c0
2 changed files with 26 additions and 0 deletions
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21
arch/arm/cpu/armv7/exynos/power.c
View File

@ -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);
}

5
arch/arm/include/asm/arch-exynos/power.h
View File

@ -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