[PATCH] ARM: dts: sun8i: h3: Enable EMAC with external PHY on NanoPi M1 Plus
From: Chen-Yu Tsai <hidden>
Date: 2017-08-01 07:55:08
Also in:
linux-devicetree
On Tue, Aug 1, 2017 at 1:01 PM, Luis Araneda [off-list ref] wrote:
quoted hunk
The Nanopi M1 Plus uses an external Realtek RTL8211E PHY in RGMII mode, enabled by a GPIO-based regulator. Signed-off-by: Luis Araneda <redacted> --- arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts index 8ddd1b2cc..54727990c 100644 --- a/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-m1-plus.dts@@ -45,6 +45,20 @@ / { model = "FriendlyArm NanoPi M1 Plus"; compatible = "friendlyarm,nanopi-m1-plus", "allwinner,sun8i-h3"; + + aliases { + ethernet0 = &emac; + }; + + reg_gmac_3v3: gmac-3v3 { + compatible = "regulator-fixed"; + regulator-name = "gmac-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us = <100000>; + enable-active-high; + gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */ + }; }; &ehci1 {@@ -55,6 +69,23 @@ status = "okay"; }; +&emac { + pinctrl-names = "default"; + pinctrl-0 = <&emac_rgmii_pins>; + phy-supply = <®_gmac_3v3>; + phy-handle = <&ext_rgmii_phy>; + phy-mode = "rgmii"; + allwinner,leds-active-low;
This property is for the internal PHY. You should not be using it with an external PHY.
+ status = "okay";
+};
+
+&mdio {
+ ext_rgmii_phy: ethernet-phy at 1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;Value in reg should match the address part of the node name. ChenYu
+ };
+};
+
&ohci1 {
status = "okay";
};
--
2.13.3