linux-kernel - [PATCH v4 4/6] arm64: dts: ti: k3-j784s4: Add Main CPSW2G node

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Date: Wed, 31 Jan 2024 15:44:39 +0530
From: Chintan Vankar <c-vankar@...com>
To: Andrew Davis <afd@...com>, Peter Rosin <peda@...ntia.se>,
        Greg
 Kroah-Hartman <gregkh@...uxfoundation.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, Tero
 Kristo <kristo@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>, Nishanth
 Menon <nm@...com>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <srk@...com>,
        <s-vadapalli@...com>, <r-gunasekaran@...com>, <danishanwar@...com>,
        Jayesh Choudhary
	<j-choudhary@...com>,
        Chintan Vankar <c-vankar@...com>
Subject: [PATCH v4 4/6] arm64: dts: ti: k3-j784s4: Add Main CPSW2G node

From: Siddharth Vadapalli <s-vadapalli@...com>

Add the device-tree nodes for the Main CPSW2G instance and enable it.

Add alias for the Main CPSW2G port to enable Linux to fetch MAC Address
for the port directly from U-Boot.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
Signed-off-by: Chintan Vankar <c-vankar@...com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 49 ++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index b74f7d3025de..be028c246c67 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -28,6 +28,7 @@ aliases {
 		i2c0 = &wkup_i2c0;
 		i2c3 = &main_i2c0;
 		ethernet0 = &mcu_cpsw_port1;
+		ethernet1 = &main_cpsw1_port1;
 	};
 
 	memory@...00000 {
@@ -280,6 +281,30 @@ &wkup_gpio0 {
 
 &main_pmx0 {
 	bootph-all;
+	main_cpsw2g_default_pins: main-cpsw2g-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0b8, PIN_INPUT, 6) /* (AC34) MCASP1_ACLKX.RGMII1_RD0 */
+			J784S4_IOPAD(0x0a0, PIN_INPUT, 6) /* (AD34) MCASP0_AXR12.RGMII1_RD1 */
+			J784S4_IOPAD(0x0a4, PIN_INPUT, 6) /* (AJ36) MCASP0_AXR13.RGMII1_RD2 */
+			J784S4_IOPAD(0x0a8, PIN_INPUT, 6) /* (AF34) MCASP0_AXR14.RGMII1_RD3 */
+			J784S4_IOPAD(0x0b0, PIN_INPUT, 6) /* (AL33) MCASP1_AXR3.RGMII1_RXC */
+			J784S4_IOPAD(0x0ac, PIN_INPUT, 6) /* (AE34) MCASP0_AXR15.RGMII1_RX_CTL */
+			J784S4_IOPAD(0x08c, PIN_INPUT, 6) /* (AE35) MCASP0_AXR7.RGMII1_TD0 */
+			J784S4_IOPAD(0x090, PIN_INPUT, 6) /* (AC35) MCASP0_AXR8.RGMII1_TD1 */
+			J784S4_IOPAD(0x094, PIN_INPUT, 6) /* (AG35) MCASP0_AXR9.RGMII1_TD2 */
+			J784S4_IOPAD(0x098, PIN_INPUT, 6) /* (AH36) MCASP0_AXR10.RGMII1_TD3 */
+			J784S4_IOPAD(0x0b4, PIN_INPUT, 6) /* (AL34) MCASP1_AXR4.RGMII1_TXC */
+			J784S4_IOPAD(0x09c, PIN_INPUT, 6) /* (AF35) MCASP0_AXR11.RGMII1_TX_CTL */
+		>;
+	};
+
+	main_cpsw2g_mdio_default_pins: main-cpsw2g-mdio-default-pins {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0c0, PIN_INPUT, 6) /* (AD38) MCASP1_AXR0.MDIO0_MDC */
+			J784S4_IOPAD(0x0bc, PIN_INPUT, 6) /* (AD33) MCASP1_AFSX.MDIO0_MDIO */
+		>;
+	};
+	
 	main_uart8_pins_default: main-uart8-default-pins {
 		bootph-all;
 		pinctrl-single,pins = <
@@ -809,6 +834,30 @@ &mcu_cpsw_port1 {
 	phy-handle = <&mcu_phy0>;
 };
 
+&main_cpsw1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_cpsw2g_default_pins>;
+};
+
+&main_cpsw1_mdio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_cpsw2g_mdio_default_pins>;
+
+	main_cpsw1_phy0: ethernet-phy@0 {
+		reg = <0>;
+		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+		ti,min-output-impedance;
+	};
+};
+
+&main_cpsw1_port1 {
+	status = "okay";
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&main_cpsw1_phy0>;
+};
+
 &mailbox0_cluster0 {
 	status = "okay";
 	interrupts = <436>;
-- 
2.34.1