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| author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2013-02-14 19:46:11 +0000 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2013-03-08 22:34:18 +0900 |
| commit | a006076b15c32e2f9c2c133697b5c662f7d1294e (patch) | |
| tree | 743d22c1fe2e87f757b119def82c6daaf0eb3a9a | |
| parent | b278c4095b59c40ff512c5433b735b000e547554 (diff) | |
| download | u-boot-imx-a006076b15c32e2f9c2c133697b5c662f7d1294e.zip u-boot-imx-a006076b15c32e2f9c2c133697b5c662f7d1294e.tar.gz u-boot-imx-a006076b15c32e2f9c2c133697b5c662f7d1294e.tar.bz2 | |
EXYNOS5: Add function to enable XXTI clock source
This patch adds funtion to enable XXTI clock source
required by MAX98095 codec.
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 17 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-exynos/power.h | 11 |
2 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index 400c8bc..db7249e 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -111,3 +111,20 @@ void set_ps_hold_ctrl(void) if (cpu_is_exynos5()) exynos5_set_ps_hold_ctrl(); } + + +static void exynos5_set_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); +} + +void set_xclkout(void) +{ + if (cpu_is_exynos5()) + exynos5_set_xclkout(); +} diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index f2f73fa..5f26337 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -873,4 +873,15 @@ void set_dp_phy_ctrl(unsigned int enable); * (e.g. power button). */ void set_ps_hold_ctrl(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 set_xclkout(void); #endif |