diff mbox series

[v3,4/5] arm64: dts: meson: g12a: x96-max: fix PHY deassert timing requirements

Message ID 12506964ca5d5f936579a280ad0a7e7f9a0a2d4c.1607363522.git.stefan@agner.ch (mailing list archive)
State New, archived
Headers show
Series [v3,1/5] arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements | expand

Commit Message

Stefan Agner Dec. 7, 2020, 5:58 p.m. UTC
According to the datasheet (Rev. 1.9) the RTL8211F requires at least
72ms "for internal circuits settling time" before accessing the PHY
registers. On similar boards with the same PHY this fixes an issue where
Ethernet link would not come up when using ip link set down/up.

Fixes: ed5e8f689154 ("arm64: dts: meson: g12a: x96-max: fix the Ethernet PHY reset line")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
 arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series


diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
index 1b07c8c06eac..463a72d6bb7c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
@@ -340,7 +340,7 @@  external_phy: ethernet-phy@0 {
 		reset-assert-us = <10000>;
-		reset-deassert-us = <30000>;
+		reset-deassert-us = <80000>;
 		reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
 		interrupt-parent = <&gpio_intc>;