[PATCH v2 2/9] ARM64: dts: meson-gxbb-p201: add the ethernet PHY's reset GPIO
From: martin.blumenstingl@googlemail.com (Martin Blumenstingl)
Date: 2017-01-20 13:26:43
Also in:
linux-amlogic, linux-devicetree
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2017-01-20 · Re: [PATCH v2 2/9] ARM64: dts: meson-gxbb-p201: add the ethernet PHY's reset GPIO · Martin Blumenstingl <martin.blumenstingl@googlemail.com>
- 2017-01-20 · Re: [PATCH v2 2/9] ARM64: dts: meson-gxbb-p201: add the ethernet PHY's reset GPIO · Neil Armstrong <hidden>
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. This will allow us to specify OF-properties for the PHY itself. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts
index 39bb037a3e47..5d2cd2ecfdc4 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p201.dts@@ -50,3 +50,27 @@ compatible = "amlogic,p201", "amlogic,meson-gxbb"; model = "Amlogic Meson GXBB P201 Development Board"; }; + +ðmac { + status = "okay"; + pinctrl-0 = <ð_rgmii_pins>; + pinctrl-names = "default"; + phy-handle = <ð_phy0>; + phy-mode = "rgmii"; + + snps,reset-gpio = <&gpio GPIOZ_14 0>; + snps,reset-delays-us = <0 10000 1000000>; + snps,reset-active-low; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy0: ethernet-phy at 0 { + compatible = "ethernet-phy-id0022.1620", + "ethernet-phy-ieee802.3-c22"; + reg = <3>; + }; + }; +};
--
2.11.0