[PATCH v2 5/7] ARM64: dts: meson-gxbb-p20x: add reset for the ethernet PHY
From: martin.blumenstingl@googlemail.com (Martin Blumenstingl)
Date: 2016-11-25 13:01:54
Also in:
linux-amlogic, linux-devicetree, netdev
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
This resets the ethernet PHY during boot to get the PHY into a "clean" state. While here also specify the phy-handle of the ethmac node to make the PHY configuration similar to the one we have on GXL devices. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index 203be28..2abc553 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi@@ -134,10 +134,25 @@ pinctrl-names = "default"; }; +&mdio0 { + ethernet_phy0: ethernet-phy at 0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + }; +}; + ðmac { status = "okay"; pinctrl-0 = <ð_rgmii_pins>; pinctrl-names = "default"; + + phy-handle = <ðernet_phy0>; + + snps,reset-gpio = <&gpio GPIOZ_14 0>; + snps,reset-delays-us = <0 10000 1000000>; + snps,reset-active-low; + + phy-mode = "rgmii"; }; &ir {
--
2.10.2