[PATCH] clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3
Lauri Hintsala
lauri.hintsala at bluegiga.com
Wed Jul 4 06:49:54 EDT 2012
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 at bluegiga.com>
---
drivers/clk/mxs/clk-imx28.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c
index 2826a26..0097c3a 100644
--- a/drivers/clk/mxs/clk-imx28.c
+++ b/drivers/clk/mxs/clk-imx28.c
@@ -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);
}
--
1.7.9.5
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