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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-mx28.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-mx28.c')
-rw-r--r-- | arch/arm/mach-mxs/clock-mx28.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 5e489a2..1ad97fe 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -618,6 +618,8 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("pll2", NULL, pll2_clk) _REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk) _REGISTER_CLOCK("mxs-dma-apbx", NULL, xbus_clk) + _REGISTER_CLOCK("mxs-mmc.0", NULL, ssp0_clk) + _REGISTER_CLOCK("mxs-mmc.1", NULL, ssp1_clk) _REGISTER_CLOCK("flexcan.0", NULL, can0_clk) _REGISTER_CLOCK("flexcan.1", NULL, can1_clk) _REGISTER_CLOCK(NULL, "usb0", usb0_clk) @@ -737,6 +739,15 @@ static int clk_misc_init(void) reg |= BM_CLKCTRL_ENET_CLK_OUT_EN; __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET); + /* + * 480 MHz seems too high to be ssp clock source directly, + * so set frac0 to get a 288 MHz ref_io0. + */ + reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0); + reg &= ~BM_CLKCTRL_FRAC0_IO0FRAC; + reg |= 30 << BP_CLKCTRL_FRAC0_IO0FRAC; + __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_FRAC0); + return 0; } @@ -744,6 +755,13 @@ int __init mx28_clocks_init(void) { clk_misc_init(); + /* + * source ssp clock from ref_io0 than ref_xtal, + * as ref_xtal only provides 24 MHz as maximum. + */ + clk_set_parent(&ssp0_clk, &ref_io0_clk); + clk_set_parent(&ssp1_clk, &ref_io0_clk); + clk_enable(&cpu_clk); clk_enable(&hbus_clk); clk_enable(&xbus_clk); |