On Thu, Jan 24, 2013 at 10:43 PM, Rajeshwari Shinde rajeshwari.s@samsung.com wrote:
This patch adds funtion to enable XXTI clock source required by MAX98095 codec.
Signed-off-by: Rajeshwari Shinde rajeshwari.s@samsung.com
Acked-by: Simon Glass sjg@chromium.org
Changes in V2: - Corrected multi-line comment style arch/arm/cpu/armv7/exynos/power.c | 11 +++++++++++ arch/arm/include/asm/arch-exynos/power.h | 11 +++++++++++ 2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index 8572cfd..8de30c1 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -105,3 +105,14 @@ void power_ps_hold_setup(void) setbits_le32(&power->ps_hold_control, EXYNOS_PS_HOLD_CONTROL_DATA_HIGH); }
+void power_enable_xclkout(void) +{
struct exynos5_power *power =(struct exynos5_power *)samsung_get_base_power();/* use xxti for xclk out */clrsetbits_le32(&power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK,PMU_DEBUG_XXTI);+} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index 85e2cd9..09343d7 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -872,4 +872,15 @@ void set_dp_phy_ctrl(unsigned int enable);
- (e.g. power button).
*/ void power_ps_hold_setup(void);
+/* PMU_DEBUG bits [12:8] = 0x1000 selects XXTI clock source */ +#define PMU_DEBUG_XXTI 0x1000 +/* Mask bit[12:8] for xxti clock selection */ +#define PMU_DEBUG_CLKOUT_SEL_MASK 0x1f00
+/*
- Pmu debug is used for xclkout, enable xclkout with
- source as XXTI
- */
+void power_enable_xclkout(void);
#endif
1.7.4.4