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EXYNOS5: Add function to enable XXTI clock source

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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>
This commit is contained in:
Rajeshwari Shinde 2013-02-14 19:46:11 +00:00 committed by Minkyu Kang
parent b278c4095b
commit a006076b15
2 changed files with 28 additions and 0 deletions
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17
arch/arm/cpu/armv7/exynos/power.c
View File

@ -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();
}

11
arch/arm/include/asm/arch-exynos/power.h
View File

@ -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