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Date: Wed, 31 Oct 2012 12:25:22 +0800 From: Frank Li <Frank.Li@...escale.com> To: <lznua@...il.com>, <richardcochran@...il.com>, <shawn.guo@...aro.org>, <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>, <davem@...emloft.net> CC: Frank Li <Frank.Li@...escale.com> Subject: [PATCH 3/4] 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 <Frank.Li@...escale.com> --- arch/arm/mach-imx/mach-imx6q.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 47c91f7..38d6910 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 = { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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