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[PATCHv3,06/12] ARM: dts: imx6-tx6: specify ethernet phy reset post-delay

Message ID 1508231883-12067-7-git-send-email-LW@KARO-electronics.de
State New
Headers show
Series [PATCHv3,01/12] ARM: dts: imx6-tx6: update model property to match current module HW revision | expand

Commit Message

Lothar Waßmann Oct. 17, 2017, 9:17 a.m. UTC 
Under certain circumstances the ethernet PHY cannot be detected on
Ka-Ro electronics TX6 modules. Using a phy-reset-post-delay of at least
2ms alleviates this problem. Define it to 10ms to be on the safe side.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
---
 arch/arm/boot/dts/imx6qdl-tx6.dtsi | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
index f2cd3e7..f1655b3 100644
--- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
@@ -249,6 +249,7 @@ 
 	clock-names = "ipg", "ahb", "ptp", "enet_out";
 	phy-mode = "rmii";
 	phy-reset-gpios = <&gpio7 6 GPIO_ACTIVE_LOW>;
+	phy-reset-post-delay = <10>;
 	phy-handle = <&etnphy>;
 	phy-supply = <&reg_3v3_etn>;
 	status = "okay";