From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Thu, 21 Jan 2021 10:06:18 +0000 (+0100)
Subject: arm64: dts: renesas: falcon: Add Ethernet-AVB0 support
X-Git-Tag: accepted/tizen/unified/20230118.172025~7896^2~43^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e8ac55a5e70a952247f7b0a5bd234536a9e099ad;p=platform%2Fkernel%2Flinux-rpi.git

arm64: dts: renesas: falcon: Add Ethernet-AVB0 support

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20210121100619.5653-5-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
index 90aa139..597676e 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
@@ -5,6 +5,7 @@
  * Copyright (C) 2020 Renesas Electronics Corp.
  */
 
+#include <dt-bindings/gpio/gpio.h>
 #include "r8a779a0.dtsi"
 
 / {
@@ -33,6 +34,22 @@
 	};
 };
 
+&avb0 {
+	pinctrl-0 = <&avb0_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&phy0>;
+	tx-internal-delay-ps = <2000>;
+	status = "okay";
+
+	phy0: ethernet-phy@0 {
+		rxc-skew-ps = <1500>;
+		reg = <0>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
+	};
+};
+
 &extal_clk {
 	clock-frequency = <16666666>;
 };
@@ -66,6 +83,24 @@
 };
 
 &pfc {
+	avb0_pins: avb0 {
+		mux {
+			groups = "avb0_link", "avb0_mdio", "avb0_rgmii", "avb0_txcrefclk";
+			function = "avb0";
+		};
+
+		pins_mdio {
+			groups = "avb0_mdio";
+			drive-strength = <21>;
+		};
+
+		pins_mii {
+			groups = "avb0_rgmii";
+			drive-strength = <21>;
+		};
+
+	};
+
 	i2c0_pins: i2c0 {
 		groups = "i2c0";
 		function = "i2c0";
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
index fb9978e..5617b81 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
@@ -13,6 +13,7 @@
 	compatible = "renesas,falcon-breakout", "renesas,falcon-cpu", "renesas,r8a779a0";
 
 	aliases {
+		ethernet0 = &avb0;
 		serial0 = &scif0;
 	};