diff mbox series

[7/8] arm64: dts: imx8mm-kontron: Fix reset delays for ethernet PHY

Message ID 20210930155633.2745201-8-frieder@fris.de (mailing list archive)
State New, archived
Headers show
Series Devicetree fixes and additions for Kontron SL/BL i.MX8MM boards | expand

Commit Message

Frieder Schrempf Sept. 30, 2021, 3:56 p.m. UTC 
From: Frieder Schrempf <frieder.schrempf@kontron.de>

According to the datasheet the VSC8531 PHY expects a reset pulse of 100 ns
and a delay of 15 ms after the reset has been deasserted. Set the matching
values in the devicetree.

Reported-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
---
 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
index 0e4509287a92..106e13945ae5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
@@ -124,8 +124,8 @@  mdio {
 
 		ethphy: ethernet-phy@0 {
 			reg = <0>;
-			reset-assert-us = <100>;
-			reset-deassert-us = <100>;
+			reset-assert-us = <1>;
+			reset-deassert-us = <15000>;
 			reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
 		};
 	};