diff options
| author |   Frank Li <Frank.Li@freescale.com> | 2012-10-30 18:25:22 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-11-01 12:28:05 -0400 |
| commit | d6e0d9fcbb01edc7a342b15f077a217d46f3b608 (patch) | |
| tree | 73329a4f13aa8ca1790e5d6272286d6577e15087 /arch | |
| parent | ARM: dts: imx6q: Add ENET PTP clock pin and clock source (diff) | |
| download | linux-dev-d6e0d9fcbb01edc7a342b15f077a217d46f3b608.tar.xz linux-dev-d6e0d9fcbb01edc7a342b15f077a217d46f3b608.zip | |
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@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | 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 47c91f7185d2..38d69100398d 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 = { |