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[2/2] ARM: sun8i: bananapi-m3: Enable dwmac-sun8i

Message ID 20171107201326.17401-2-clabbe.montjoie@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Corentin Labbe Nov. 7, 2017, 8:13 p.m. UTC 
The dwmac-sun8i hardware is present on the bananapi m3
It uses an external PHY rtl8211e via RGMII.

This patch create the needed emac and phy nodes.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
index c606af3dbfed..45bdd5c17829 100644
--- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
@@ -52,6 +52,7 @@ 
 	compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
 
 	aliases {
+		ethernet0 = &emac;
 		serial0 = &uart0;
 	};
 
@@ -88,6 +89,23 @@ 
 	/* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
 };
 
+&emac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&emac_rgmii_pins>;
+	phy-handle = <&ext_rgmii_phy>;
+	phy-mode = "rgmii";
+	allwinner,rx-delay-ps = <700>;
+	allwinner,tx-delay-ps = <700>;
+
+	status = "okay";
+};
+
+&mdio {
+	ext_rgmii_phy: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;