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clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3

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SSP0 and SSP1 use ref_io0 which has decreased frequency. Expand
the frequency fix for ref_io1 to get SSP2 and SSP3 to work.

Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Lauri Hintsala 2012-07-04 13:49:54 +03:00 committed by Shawn Guo
parent 275d58025f
commit 64e2bc4130
1 changed files with 3 additions and 3 deletions
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6
drivers/clk/mxs/clk-imx28.c
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@ -112,11 +112,11 @@ static void __init clk_misc_init(void)
/*
* 480 MHz seems too high to be ssp clock source directly,
* so set frac0 to get a 288 MHz ref_io0.
* so set frac0 to get a 288 MHz ref_io0 and ref_io1.
*/
val = readl_relaxed(FRAC0);
val &= ~(0x3f << BP_FRAC0_IO0FRAC);
val |= 30 << BP_FRAC0_IO0FRAC;
val &= ~((0x3f << BP_FRAC0_IO0FRAC) | (0x3f << BP_FRAC0_IO1FRAC));
val |= (30 << BP_FRAC0_IO0FRAC) | (30 << BP_FRAC0_IO1FRAC);
writel_relaxed(val, FRAC0);
}