1 files changed, 85 insertions, 0 deletions
diff --git a/dts/upstream/src/arm64/ti/k3-j721s2-evm-gesi-exp-board.dtso b/dts/upstream/src/arm64/ti/k3-j721s2-evm-gesi-exp-board.dtso
new file mode 100644
index 00000000000..1be28283c7d
--- /dev/null
+++ b/dts/upstream/src/arm64/ti/k3-j721s2-evm-gesi-exp-board.dtso
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+/**
+ * DT Overlay for MAIN CPSW2G using GESI Expansion Board with J7 common processor board.
+ *
+ * GESI Board Product Link: https://www.ti.com/tool/J7EXPCXEVM
+ *
+ * Copyright (C) 2023-2024 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/net/ti-dp83867.h>
+
+#include "k3-pinctrl.h"
+
+&{/} {
+	aliases {
+		ethernet1 = "/bus@100000/ethernet@c200000/ethernet-ports/port@1";
+	};
+};
+
+&main_pmx0 {
+	main_cpsw_mdio_default_pins: main-cpsw-mdio-default-pins {
+		pinctrl-single,pins = <
+			J721S2_IOPAD(0x0c0, PIN_OUTPUT, 6) /* (T28) MCASP1_AXR0.MDIO0_MDC */
+			J721S2_IOPAD(0x0bc, PIN_INPUT, 6) /* (V28) MCASP1_AFSX.MDIO0_MDIO */
+		>;
+	};
+
+	rgmii1_default_pins: rgmii1-default-pins {
+		pinctrl-single,pins = <
+			J721S2_IOPAD(0x0b8, PIN_INPUT, 6) /* (AA24) MCASP1_ACLKX.RGMII1_RD0 */
+			J721S2_IOPAD(0x0a0, PIN_INPUT, 6) /* (AB25) MCASP0_AXR12.RGMII1_RD1 */
+			J721S2_IOPAD(0x0a4, PIN_INPUT, 6) /* (T23) MCASP0_AXR13.RGMII1_RD2 */
+			J721S2_IOPAD(0x0a8, PIN_INPUT, 6) /* (U24) MCASP0_AXR14.RGMII1_RD3 */
+			J721S2_IOPAD(0x0b0, PIN_INPUT, 6) /* (AD26) MCASP1_AXR3.RGMII1_RXC */
+			J721S2_IOPAD(0x0ac, PIN_INPUT, 6) /* (AC25) MCASP0_AXR15.RGMII1_RX_CTL */
+			J721S2_IOPAD(0x08c, PIN_OUTPUT, 6) /* (T25) MCASP0_AXR7.RGMII1_TD0 */
+			J721S2_IOPAD(0x090, PIN_OUTPUT, 6) /* (W24) MCASP0_AXR8.RGMII1_TD1 */
+			J721S2_IOPAD(0x094, PIN_OUTPUT, 6) /* (AA25) MCASP0_AXR9.RGMII1_TD2 */
+			J721S2_IOPAD(0x098, PIN_OUTPUT, 6) /* (V25) MCASP0_AXR10.RGMII1_TD3 */
+			J721S2_IOPAD(0x0b4, PIN_OUTPUT, 6) /* (U25) MCASP1_AXR4.RGMII1_TXC */
+			J721S2_IOPAD(0x09c, PIN_OUTPUT, 6) /* (T24) MCASP0_AXR11.RGMII1_TX_CTL */
+		>;
+	};
+};
+
+&exp1 {
+	p15 {
+		/* P15 - EXP_MUX2 */
+		gpio-hog;
+		gpios = <13 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "EXP_MUX2";
+	};
+};
+
+&main_cpsw {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii1_default_pins>;
+};
+
+&main_cpsw_mdio {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_cpsw_mdio_default_pins>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	main_cpsw_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_cpsw_port1 {
+	status = "okay";
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&main_cpsw_phy0>;
+};