From d6e0d9fcbb01edc7a342b15f077a217d46f3b608 Mon Sep 17 00:00:00 2001 From: Frank Li Date: Tue, 30 Oct 2012 18:25:22 +0000 Subject: ARM: imx6q: Set enet tx reference clk from anatop to support 1588 Set GRP1 BIT21 ENET_CLK_SEL: Enet tx reference clk from internal clock from anatop (loopback through pad), this clock also sent out to external PHY Signed-off-by: Frank Li Signed-off-by: David S. Miller --- arch/arm/mach-imx/mach-imx6q.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/arm/mach-imx') diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 47c91f7185d..38d69100398 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -117,6 +117,17 @@ static void __init imx6q_sabrelite_init(void) imx6q_sabrelite_cko1_setup(); } +static void __init imx6q_1588_init(void) +{ + struct regmap *gpr; + + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr"); + if (!IS_ERR(gpr)) + regmap_update_bits(gpr, 0x4, 1 << 21, 1 << 21); + else + pr_err("failed to find fsl,imx6q-iomux-gpr regmap\n"); + +} static void __init imx6q_usb_init(void) { struct regmap *anatop; @@ -153,6 +164,7 @@ static void __init imx6q_init_machine(void) imx6q_pm_init(); imx6q_usb_init(); + imx6q_1588_init(); } static struct cpuidle_driver imx6q_cpuidle_driver = { -- cgit v1.2.3