linux-kernel - [PATCH 13/21] ARM: dts: sun8i: Enable dwmac-sun8i on the Orange Pi plus

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Message-Id: <20170216124859.14346-14-clabbe.montjoie@gmail.com>
Date:   Thu, 16 Feb 2017 13:48:51 +0100
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     peppe.cavallaro@...com, robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        linux@...linux.org.uk, catalin.marinas@....com,
        will.deacon@....com, alexandre.torgue@...com
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH 13/21] ARM: dts: sun8i: Enable dwmac-sun8i on the Orange Pi plus

The dwmac-sun8i hardware is present on the Orange PI plus.
It uses an external PHY rtl8211e via RGMII.

This patch create the needed regulator, emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts | 36 ++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
index 8c40ab7..17b2b92 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
@@ -58,6 +58,18 @@
 		enable-active-high;
 		gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>;
 	};
+
+	reg_gmac_3v3: gmac-3v3 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&gmac_power_pin_orangepi>;
+		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>;
+	};
 };
 
 &ehci3 {
@@ -86,8 +98,32 @@
 		pins = "PG11";
 		function = "gpio_out";
 	};
+
+	gmac_power_pin_orangepi: gmac_power_pin@0 {
+		allwinner,pins = "PD6";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+		};
 };
 
 &usbphy {
 	usb3_vbus-supply = <&reg_usb3_vbus>;
 };
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		reg = <0>;
+	};
+};
+
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-supply = <&reg_gmac_3v3>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+
+	allwinner,leds-active-low;
+	status = "okay";
+};
-- 
2.10.2