aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-imx
diff options
context:
space:
mode:
authorFrank Li <Frank.Li@freescale.com>2012-10-30 18:25:22 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-01 12:28:05 -0400
commitd6e0d9fcbb01edc7a342b15f077a217d46f3b608 (patch)
tree73329a4f13aa8ca1790e5d6272286d6577e15087 /arch/arm/mach-imx
parent7629838ca33adf8d576d9e4a9d31df4f3b3bc258 (diff)
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/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c12
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 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 = {