ARM: dts: sun9i: cubieboard4: Enable GMAC (98048143) · Commits · 戴 / test

The Cubieboard4 has a Realtek RTL8211E ethernet PHY which uses RGMII to talk to the MAC. The PHY is powered by 2 regulators: cldo1 for the PHY's core logic and gpio1-ldo for I/O. The latter also powers the SoC side pins. As there is no binding to model a second regulator supply for the PHY, it is omitted. It is however properly modeled for the PIO. Signed-off-by:

Chen-Yu Tsai <wens@csie.org> Signed-off-by:

Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun9i-a80-cubieboard4.dts

+21 −0

Original line number	Diff line number	Diff line
		@@ -133,6 +133,19 @@
		status = "okay";
		};

		&gmac {
		pinctrl-names = "default";
		pinctrl-0 = <&gmac_rgmii_pins>;
		phy = <&phy1>;
		phy-mode = "rgmii";
		phy-supply = <&reg_cldo1>;
		status = "okay";

		phy1: ethernet-phy@1 {
		reg = <1>;
		};
		};

		&i2c3 {
		pinctrl-names = "default";
		pinctrl-0 = <&i2c3_pins>;
		@@ -402,6 +415,14 @@
		*/
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		/*
		* The PHY requires 20ms after all voltages
		* are applied until core logic is ready and
		* 30ms after the reset pin is de-asserted.
		* Set a 100ms delay to account for PMIC
		* ramp time and board traces.
		*/
		regulator-enable-ramp-delay = <100000>;
		regulator-name = "vcc-gmac-phy";
		};

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