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Commit 64e2bc41 authored by Lauri Hintsala's avatar Lauri Hintsala Committed by Shawn Guo
Browse files

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



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: default avatarLauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent 275d5802

drivers/clk/mxs/clk-imx28.c

+3 −3
Original line number Original line Diff line number Diff line
@@ -112,11 +112,11 @@ static void __init clk_misc_init(void) 




	/*

	/*

	 * 480 MHz seems too high to be ssp clock source directly,

	 * 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 = readl_relaxed(FRAC0);

	val &= ~(0x3f << BP_FRAC0_IO0FRAC);

	val &= ~((0x3f << BP_FRAC0_IO0FRAC) | (0x3f << BP_FRAC0_IO1FRAC));

	val |= 30 << BP_FRAC0_IO0FRAC;

	val |= (30 << BP_FRAC0_IO0FRAC) | (30 << BP_FRAC0_IO1FRAC);

	writel_relaxed(val, FRAC0);

	writel_relaxed(val, FRAC0);

}

}