linux-kernel - [RFC PATCH 1/2] arm64: dts: ti: k3-j721s2-main: Add main CPSW2G devicetree node

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Message-ID: <20230426105718.118806-2-s-vadapalli@ti.com>
Date:   Wed, 26 Apr 2023 16:27:17 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski@...aro.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <afd@...com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <srk@...com>,
        <s-vadapalli@...com>
Subject: [RFC PATCH 1/2] arm64: dts: ti: k3-j721s2-main: Add main CPSW2G devicetree node

From: Kishon Vijay Abraham I <kishon@...com>

TI's J721S2 SoC has a MAIN CPSW2G instance of the CPSW Ethernet Switch.
Add devicetree node for it.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 6629b2989180..14dfef7b0758 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -51,6 +51,12 @@ usb_serdes_mux: mux-controller@0 {
 			mux-reg-masks = <0x0 0x8000000>; /* USB0 to SERDES0 lane 1/3 mux */
 		};
 
+		phy_gmii_sel_cpsw: phy@34 {
+			compatible = "ti,am654-phy-gmii-sel";
+			reg = <0x34 0x4>;
+			#phy-cells = <1>;
+		};
+
 		serdes_ln_ctrl: mux-controller@80 {
 			compatible = "mmio-mux";
 			reg = <0x80 0x10>;
@@ -779,6 +785,69 @@ cpts@...d0000 {
 		};
 	};
 
+	main_cpsw: ethernet@...0000 {
+		compatible = "ti,j721e-cpsw-nuss";
+		reg = <0x00 0xc200000 0x00 0x200000>;
+		reg-names = "cpsw_nuss";
+		ranges = <0x0 0x0 0x0 0xc200000 0x0 0x200000>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		dma-coherent;
+		clocks = <&k3_clks 28 28>;
+		clock-names = "fck";
+		power-domains = <&k3_pds 28 TI_SCI_PD_EXCLUSIVE>;
+
+		dmas = <&main_udmap 0xc640>,
+		       <&main_udmap 0xc641>,
+		       <&main_udmap 0xc642>,
+		       <&main_udmap 0xc643>,
+		       <&main_udmap 0xc644>,
+		       <&main_udmap 0xc645>,
+		       <&main_udmap 0xc646>,
+		       <&main_udmap 0xc647>,
+		       <&main_udmap 0x4640>;
+		dma-names = "tx0", "tx1", "tx2", "tx3",
+			    "tx4", "tx5", "tx6", "tx7",
+			    "rx";
+
+		status = "disabled";
+
+		ethernet-ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			main_cpsw_port1: port@1 {
+				reg = <1>;
+				ti,mac-only;
+				label = "port1";
+				phys = <&phy_gmii_sel_cpsw 1>;
+				status = "disabled";
+			};
+		};
+
+		main_cpsw_mdio: mdio@f00 {
+			compatible = "ti,cpsw-mdio","ti,davinci_mdio";
+			reg = <0x00 0xf00 0x00 0x100>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&k3_clks 28 28>;
+			clock-names = "fck";
+			bus_freq = <1000000>;
+			status = "disabled";
+		};
+
+		cpts@...00 {
+			compatible = "ti,am65-cpts";
+			reg = <0x00 0x3d000 0x00 0x400>;
+			clocks = <&k3_clks 28 3>;
+			clock-names = "cpts";
+			interrupts-extended = <&gic500 GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "cpts";
+			ti,cpts-ext-ts-inputs = <4>;
+			ti,cpts-periodic-outputs = <2>;
+		};
+	};
+
 	usbss0: cdns-usb@...4000 {
 		compatible = "ti,j721e-usb";
 		reg = <0x00 0x04104000 0x00 0x100>;
-- 
2.25.1