[PATCH 2/2] ARM: dts: imx6qdl-microsom-ar8035: Adjust Ethernet PHY reset duration
Fabio Estevam
festevam at gmail.com
Mon Jan 4 11:11:40 PST 2016
From: Fabio Estevam <fabio.estevam at nxp.com>
As per the AR8035 datasheet:
"For a reliable power on reset, suggest to keep asserting the reset
low long enough (10ms) to ensure the clock is stable and clock-to-reset
1ms requirement is satisfied."
So do as suggested and keep the reset low for 10ms.
Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
---
arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
index 469ef58..d187177 100644
--- a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
@@ -45,7 +45,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_microsom_enet_ar8035>;
phy-mode = "rgmii";
- phy-reset-duration = <2>;
+ phy-reset-duration = <10>;
phy-reset-gpios = <&gpio4 15 0>;
status = "okay";
};
--
1.9.1
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