On Tue, Jan 15, 2013 at 2:25 AM, Rajeshwari Shinde rajeshwari.s@samsung.com wrote:
This patch adds a function to set ps_hold data driving value high. This enables the machine to stay powered on after the initial power-on condition goes away(e.g. power button).
Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com
Acked-by: Simon Glass sjg@chromium.org
arch/arm/cpu/armv7/exynos/power.c | 10 ++++++++++ arch/arm/include/asm/arch-exynos/power.h | 8 ++++++++ 2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index d4bce6d..8572cfd 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -95,3 +95,13 @@ void set_dp_phy_ctrl(unsigned int enable) if (cpu_is_exynos5()) exynos5_dp_phy_control(enable); }
+void power_ps_hold_setup(void) +{
struct exynos5_power *power =(struct exynos5_power *)samsung_get_base_power();/* Set PS-Hold high */setbits_le32(&power->ps_hold_control,EXYNOS_PS_HOLD_CONTROL_DATA_HIGH);+} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index d2fdb59..85e2cd9 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -864,4 +864,12 @@ void set_dp_phy_ctrl(unsigned int enable);
#define EXYNOS_DP_PHY_ENABLE (1 << 0)
+#define EXYNOS_PS_HOLD_CONTROL_DATA_HIGH (1 << 8)
+/*Set ps_hold data driving value high
- This enables the machine to stay powered on
- after the initial power-on condition goes away
- (e.g. power button).
- */
+void power_ps_hold_setup(void);
#endif
1.7.4.4