in imx6q sabresd board, wm8962 uses CKO1 as MCLK. set ahb as CKO1 parent clock source
Signed-off-by: Gary Zhang <[email protected]> --- arch/arm/mach-imx/mach-imx6q.c | 32 ++++++++++++++++++++++++++++++++ 1 files changed, 32 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 4eb1b3a..ee3f357 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -151,6 +151,36 @@ static void __init imx6q_sabrelite_init(void) imx6q_sabrelite_cko1_setup(); } +static void __init imx6q_sabresd_cko1_setup(void) +{ + struct clk *cko1_sel, *ahb, *cko1; + unsigned long rate; + + cko1_sel = clk_get_sys(NULL, "cko1_sel"); + ahb = clk_get_sys(NULL, "ahb"); + cko1 = clk_get_sys(NULL, "cko1"); + if (IS_ERR(cko1_sel) || IS_ERR(ahb) || IS_ERR(cko1)) { + pr_err("cko1 setup failed!\n"); + goto put_clk; + } + clk_set_parent(cko1_sel, ahb); + rate = clk_round_rate(cko1, 24000000); + clk_set_rate(cko1, rate); + + return; +put_clk: + if (!IS_ERR(cko1_sel)) + clk_put(cko1_sel); + if (!IS_ERR(ahb)) + clk_put(ahb); + if (!IS_ERR(cko1)) + clk_put(cko1); +} +static void __init imx6q_sabresd_init(void) +{ + imx6q_sabresd_cko1_setup(); +} + static void __init imx6q_1588_init(void) { struct regmap *gpr; @@ -193,6 +223,8 @@ static void __init imx6q_init_machine(void) { if (of_machine_is_compatible("fsl,imx6q-sabrelite")) imx6q_sabrelite_init(); + else if (of_machine_is_compatible("fsl,imx6q-sabresd")) + imx6q_sabresd_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
