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From:   Siddharth Vadapalli <s-vadapalli@ti.com>
To:     <nm@ti.com>, <vigneshr@ti.com>, <kristo@kernel.org>,
        <robh+dt@kernel.org>, <krzysztof.kozlowski@linaro.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <afd@ti.com>
CC:     <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>, <srk@ti.com>,
        <s-vadapalli@ti.com>
Subject: [RFC PATCH 1/3] arm64: dts: ti: k3-j784s4-main: Add CPSW9G nodes
Date:   Tue, 25 Apr 2023 19:02:21 +0530
Message-ID: <20230425133223.4060752-2-s-vadapalli@ti.com>
In-Reply-To: <20230425133223.4060752-1-s-vadapalli@ti.com>
References: <20230425133223.4060752-1-s-vadapalli@ti.com>
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J784S4 SoC has a 9 port Ethernet Switch instance with 8 external ports
and 1 host port, referred to as CPSW9G.

Add device-tree nodes for CPSW9G and disable it by default. Device-tree
overlays will be used to enable it.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 7111fe3640d3..cc145840d0c3 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -51,6 +51,13 @@ cpsw1_phy_gmii_sel: phy@4034 {
 			#phy-cells = <1>;
 		};
 
+		cpsw0_phy_gmii_sel: phy@4044 {
+			compatible = "ti,j784s4-cpsw9g-phy-gmii-sel";
+			ti,qsgmii-main-ports = <7>, <7>;
+			reg = <0x4044 0x20>;
+			#phy-cells = <1>;
+		};
+
 		serdes_ln_ctrl: mux-controller@4080 {
 			compatible = "mmio-mux";
 			reg = <0x00004080 0x30>;
@@ -955,6 +962,113 @@ cpts@310d0000 {
 		};
 	};
 
+	main_cpsw0: ethernet@c000000 {
+		compatible = "ti,j784s4-cpswxg-nuss";
+		reg = <0x00 0xc000000 0x00 0x200000>;
+		reg-names = "cpsw_nuss";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x00 0x00 0x00 0xc000000 0x00 0x200000>;
+		dma-coherent;
+		clocks = <&k3_clks 64 0>;
+		clock-names = "fck";
+		power-domains = <&k3_pds 64 TI_SCI_PD_EXCLUSIVE>;
+
+		dmas = <&main_udmap 0xca00>,
+		       <&main_udmap 0xca01>,
+		       <&main_udmap 0xca02>,
+		       <&main_udmap 0xca03>,
+		       <&main_udmap 0xca04>,
+		       <&main_udmap 0xca05>,
+		       <&main_udmap 0xca06>,
+		       <&main_udmap 0xca07>,
+		       <&main_udmap 0x4a00>;
+		dma-names = "tx0", "tx1", "tx2", "tx3",
+			    "tx4", "tx5", "tx6", "tx7",
+			    "rx";
+
+		status = "disabled";
+
+		ethernet-ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			main_cpsw0_port1: port@1 {
+				reg = <1>;
+				label = "port1";
+				ti,mac-only;
+				status = "disabled";
+			};
+
+			main_cpsw0_port2: port@2 {
+				reg = <2>;
+				label = "port2";
+				ti,mac-only;
+				status = "disabled";
+			};
+
+			main_cpsw0_port3: port@3 {
+				reg = <3>;
+				label = "port3";
+				ti,mac-only;
+				status = "disabled";
+			};
+
+			main_cpsw0_port4: port@4 {
+				reg = <4>;
+				label = "port4";
+				ti,mac-only;
+				status = "disabled";
+			};
+
+			main_cpsw0_port5: port@5 {
+				reg = <5>;
+				label = "port5";
+				status = "disabled";
+			};
+
+			main_cpsw0_port6: port@6 {
+				reg = <6>;
+				label = "port6";
+				status = "disabled";
+			};
+
+			main_cpsw0_port7: port@7 {
+				reg = <7>;
+				label = "port7";
+				status = "disabled";
+			};
+
+			main_cpsw0_port8: port@8 {
+				reg = <8>;
+				label = "port8";
+				status = "disabled";
+			};
+		};
+
+		main_cpsw0_mdio: mdio@f00 {
+			compatible = "ti,cpsw-mdio","ti,davinci_mdio";
+			reg = <0x00 0xf00 0x00 0x100>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&k3_clks 64 0>;
+			clock-names = "fck";
+			bus_freq = <1000000>;
+			status = "disabled";
+		};
+
+		cpts@3d000 {
+			compatible = "ti,am65-cpts";
+			reg = <0x00 0x3d000 0x00 0x400>;
+			clocks = <&k3_clks 64 3>;
+			clock-names = "cpts";
+			interrupts-extended = <&gic500 GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "cpts";
+			ti,cpts-ext-ts-inputs = <4>;
+			ti,cpts-periodic-outputs = <2>;
+		};
+	};
+
 	main_cpsw1: ethernet@c200000 {
 		compatible = "ti,j721e-cpsw-nuss";
 		reg = <0x00 0xc200000 0x00 0x200000>;
-- 
2.25.1