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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-04-18 17:07:43 (GMT) |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-04-18 17:07:43 (GMT) |
commit | d5381e42f64ca19f05c5799ffae5708acb6ed411 (patch) | |
tree | 8b5e757a9847047102c475c6c583afc191d02e5b /arch/arm/mach-mxs/clock-mx23.c | |
parent | f030d60b30855e18ac5bf080fa9e576147623d18 (diff) | |
parent | b3c27b51db9112d03864fdef44fa611dd69c1425 (diff) | |
download | linux-fsl-qoriq-d5381e42f64ca19f05c5799ffae5708acb6ed411.tar.xz |
ASoC: Merge branch 'for-2.6.39' into for-2.6.40
Fix trivial conflict caused by silly spelling fix patch.
Conflicts:
sound/soc/codecs/wm8994.c
Diffstat (limited to 'arch/arm/mach-mxs/clock-mx23.c')
-rw-r--r-- | arch/arm/mach-mxs/clock-mx23.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index d133c7f..c3577ea 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -521,6 +521,15 @@ static int clk_misc_init(void) __raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET); + /* + * 480 MHz seems too high to be ssp clock source directly, + * so set frac to get a 288 MHz ref_io. + */ + reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC); + reg &= ~BM_CLKCTRL_FRAC_IOFRAC; + reg |= 30 << BP_CLKCTRL_FRAC_IOFRAC; + __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC); + return 0; } @@ -528,6 +537,12 @@ int __init mx23_clocks_init(void) { clk_misc_init(); + /* + * source ssp clock from ref_io than ref_xtal, + * as ref_xtal only provides 24 MHz as maximum. + */ + clk_set_parent(&ssp_clk, &ref_io_clk); + clk_enable(&cpu_clk); clk_enable(&hbus_clk); clk_enable(&xbus_clk); |