From 6efa450565cdc9c178bb2be033d2ba153c736749 Mon Sep 17 00:00:00 2001
From: MarkLee <Mark-MC.Lee@mediatek.com>
Date: Tue, 21 Jan 2020 19:31:59 +0800
Subject: [PATCH] arm: dts: mediatek: add ethernet and sgmii dts node for
 mt7622

This patch add eth and sgmii dts node for mt7622 to support ethernet

Signed-off-by: MarkLee <Mark-MC.Lee@mediatek.com>
---
 arch/arm/dts/mt7622-rfb.dts | 13 +++++++++++
 arch/arm/dts/mt7622.dtsi    | 45 +++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/arch/arm/dts/mt7622-rfb.dts b/arch/arm/dts/mt7622-rfb.dts
index ec30f5c6eb..f05c3fe14d 100644
--- a/arch/arm/dts/mt7622-rfb.dts
+++ b/arch/arm/dts/mt7622-rfb.dts
@@ -178,3 +178,16 @@
 	pinctrl-0 = <&watchdog_pins>;
 	status = "okay";
 };
+
+&eth {
+	status = "okay";
+	mediatek,gmac-id = <0>;
+	phy-mode = "sgmii";
+	mediatek,switch = "mt7531";
+	reset-gpios = <&gpio 54 GPIO_ACTIVE_HIGH>;
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
diff --git a/arch/arm/dts/mt7622.dtsi b/arch/arm/dts/mt7622.dtsi
index 7dcca5c6af..1e8ec9b48b 100644
--- a/arch/arm/dts/mt7622.dtsi
+++ b/arch/arm/dts/mt7622.dtsi
@@ -7,6 +7,9 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/mt7622-clk.h>
+#include <dt-bindings/power/mt7629-power.h>
+#include <dt-bindings/reset/mt7629-reset.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	compatible = "mediatek,mt7622";
@@ -182,4 +185,46 @@
 		clock-names = "source", "hclk";
 		status = "disabled";
 	};
+
+	ethsys: syscon@1b000000 {
+		compatible = "mediatek,mt7622-ethsys", "syscon";
+		reg = <0x1b000000 0x1000>;
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+	};
+
+	eth: ethernet@1b100000 {
+		compatible = "mediatek,mt7622-eth", "syscon";
+		reg = <0x1b100000 0x20000>;
+		clocks = <&topckgen CLK_TOP_ETH_SEL>,
+			 <&ethsys CLK_ETH_ESW_EN>,
+			 <&ethsys CLK_ETH_GP0_EN>,
+			 <&ethsys CLK_ETH_GP1_EN>,
+			 <&ethsys CLK_ETH_GP2_EN>,
+			 <&sgmiisys CLK_SGMII_TX250M_EN>,
+			 <&sgmiisys CLK_SGMII_RX250M_EN>,
+			 <&sgmiisys CLK_SGMII_CDR_REF>,
+			 <&sgmiisys CLK_SGMII_CDR_FB>,
+			 <&topckgen CLK_TOP_SGMIIPLL>,
+			 <&apmixedsys CLK_APMIXED_ETH2PLL>;
+		clock-names = "ethif", "esw", "gp0", "gp1", "gp2",
+			      "sgmii_tx250m", "sgmii_rx250m",
+			      "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck",
+			      "eth2pll";
+		power-domains = <&scpsys MT7629_POWER_DOMAIN_ETHSYS>;
+		resets = <&ethsys ETHSYS_FE_RST>;
+		reset-names = "fe";
+		mediatek,ethsys = <&ethsys>;
+		mediatek,sgmiisys = <&sgmiisys>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
+	sgmiisys: sgmiisys@1b128000 {
+		compatible = "mediatek,mt7622-sgmiisys", "syscon";
+		reg = <0x1b128000 0x3000>;
+		#clock-cells = <1>;
+	};
+
 };
-- 
2.25.1