linux-kernel - [PATCH v4 2/3] arm64: dts: nuvoton: Add Ethernet nodes

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Message-Id: <20241202023643.75010-3-a0987203069@gmail.com>
Date: Mon,  2 Dec 2024 10:36:42 +0800
From: Joey Lu <a0987203069@...il.com>
To: andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	mcoquelin.stm32@...il.com,
	richardcochran@...il.com
Cc: alexandre.torgue@...s.st.com,
	joabreu@...opsys.com,
	ychuang3@...oton.com,
	schung@...oton.com,
	yclu4@...oton.com,
	peppe.cavallaro@...com,
	linux-arm-kernel@...ts.infradead.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	openbmc@...ts.ozlabs.org,
	linux-stm32@...md-mailman.stormreply.com,
	Joey Lu <a0987203069@...il.com>
Subject: [PATCH v4 2/3] arm64: dts: nuvoton: Add Ethernet nodes

Add GMAC nodes for our MA35D1 development boards:
two RGMII interfaces for SOM board, and one RGMII and one RMII
interface for IoT board.

Signed-off-by: Joey Lu <a0987203069@...il.com>
---
 .../boot/dts/nuvoton/ma35d1-iot-512m.dts      | 12 +++++
 .../boot/dts/nuvoton/ma35d1-som-256m.dts      | 10 ++++
 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi       | 54 +++++++++++++++++++
 3 files changed, 76 insertions(+)

diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
index 9482bec1aa57..5cc712ae92d8 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-iot-512m.dts
@@ -18,6 +18,8 @@ aliases {
 		serial12 = &uart12;
 		serial13 = &uart13;
 		serial14 = &uart14;
+		ethernet0 = &gmac0;
+		ethernet1 = &gmac1;
 	};
 
 	chosen {
@@ -126,3 +128,13 @@ &uart14 {
 	pinctrl-0 = <&pinctrl_uart14>;
 	status = "okay";
 };
+
+&gmac0 {
+	phy-mode = "rgmii-id";
+	status = "okay";
+};
+
+&gmac1 {
+	phy-mode = "rmii";
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
index f6f20a17e501..1d9ac350a1f1 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts
@@ -18,6 +18,8 @@ aliases {
 		serial12 = &uart12;
 		serial14 = &uart14;
 		serial16 = &uart16;
+		ethernet0 = &gmac0;
+		ethernet1 = &gmac1;
 	};
 
 	chosen {
@@ -129,3 +131,11 @@ &uart16 {
 	pinctrl-0 = <&pinctrl_uart16>;
 	status = "okay";
 };
+
+&gmac0 {
+	status = "okay";
+};
+
+&gmac1 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
index e51b98f5bdce..89712e262ee6 100644
--- a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
@@ -379,5 +379,59 @@ uart16: serial@...80000 {
 			clocks = <&clk UART16_GATE>;
 			status = "disabled";
 		};
+
+		gmac0: ethernet@...20000 {
+			compatible = "nuvoton,ma35d1-dwmac";
+			reg = <0x0 0x40120000 0x0 0x10000>;
+			interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			clocks = <&clk EMAC0_GATE>, <&clk EPLL_DIV8>;
+			clock-names = "stmmaceth", "ptp_ref";
+
+			nuvoton,sys = <&sys 0>;
+			resets = <&sys MA35D1_RESET_GMAC0>;
+			reset-names = "stmmaceth";
+
+			phy-mode = "rgmii-id";
+			phy-handle = <&eth_phy0>;
+			status = "disabled";
+
+			mdio0: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				eth_phy0: ethernet-phy@0 {
+					reg = <0>;
+				};
+			};
+		};
+
+		gmac1: ethernet@...30000 {
+			compatible = "nuvoton,ma35d1-dwmac";
+			reg = <0x0 0x40130000 0x0 0x10000>;
+			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq";
+			clocks = <&clk EMAC1_GATE>, <&clk EPLL_DIV8>;
+			clock-names = "stmmaceth", "ptp_ref";
+
+			nuvoton,sys = <&sys 1>;
+			resets = <&sys MA35D1_RESET_GMAC1>;
+			reset-names = "stmmaceth";
+
+			phy-mode = "rgmii-id";
+			phy-handle = <&eth_phy1>;
+			status = "disabled";
+
+			mdio1: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				eth_phy1: ethernet-phy@1 {
+					reg = <1>;
+				};
+			};
+		};
 	};
 };
-- 
2.34.1