arm64: dts: ti: k3-am642-sk: Add CPSW DT nodes

AM642 SK board has 2 CPSW3g ports connected through TI DP83867 PHYs. Add DT
entries for the same.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210304211038.12511-5-grygorii.strashko@ti.com

arch/arm64/boot/dts/ti/k3-am642-sk.dts

@@ -6,6 +6,7 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/net/ti-dp83867.h>
 #include "k3-am642.dtsi"
 
 / {
@@ -90,6 +91,47 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
 			AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
 		>;
 	};
+
+	mdio1_pins_default: mdio1-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4) /* (R2) PRG0_PRU1_GPO19.MDIO0_MDC */
+			AM64X_IOPAD(0x01f8, PIN_INPUT, 4) /* (P5) PRG0_PRU1_GPO18.MDIO0_MDIO */
+		>;
+	};
+
+	rgmii1_pins_default: rgmii1-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x011c, PIN_INPUT, 4) /* (AA13) PRG1_PRU1_GPO5.RGMII1_RD0 */
+			AM64X_IOPAD(0x0128, PIN_INPUT, 4) /* (U12) PRG1_PRU1_GPO8.RGMII1_RD1 */
+			AM64X_IOPAD(0x0150, PIN_INPUT, 4) /* (Y13) PRG1_PRU1_GPO18.RGMII1_RD2 */
+			AM64X_IOPAD(0x0154, PIN_INPUT, 4) /* (V12) PRG1_PRU1_GPO19.RGMII1_RD3 */
+			AM64X_IOPAD(0x00d8, PIN_INPUT, 4) /* (W13) PRG1_PRU0_GPO8.RGMII1_RXC */
+			AM64X_IOPAD(0x00cc, PIN_INPUT, 4) /* (V13) PRG1_PRU0_GPO5.RGMII1_RX_CTL */
+			AM64X_IOPAD(0x0124, PIN_OUTPUT, 4) /* (V15) PRG1_PRU1_GPO7.RGMII1_TD0 */
+			AM64X_IOPAD(0x012c, PIN_OUTPUT, 4) /* (V14) PRG1_PRU1_GPO9.RGMII1_TD1 */
+			AM64X_IOPAD(0x0130, PIN_OUTPUT, 4) /* (W14) PRG1_PRU1_GPO10.RGMII1_TD2 */
+			AM64X_IOPAD(0x014c, PIN_OUTPUT, 4) /* (AA14) PRG1_PRU1_GPO17.RGMII1_TD3 */
+			AM64X_IOPAD(0x00e0, PIN_OUTPUT, 4) /* (U14) PRG1_PRU0_GPO10.RGMII1_TXC */
+			AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4) /* (U15) PRG1_PRU0_GPO9.RGMII1_TX_CTL */
+		>;
+	};
+
+       rgmii2_pins_default: rgmii2-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0108, PIN_INPUT, 4) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */
+			AM64X_IOPAD(0x010c, PIN_INPUT, 4) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */
+			AM64X_IOPAD(0x0110, PIN_INPUT, 4) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */
+			AM64X_IOPAD(0x0114, PIN_INPUT, 4) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */
+			AM64X_IOPAD(0x0120, PIN_INPUT, 4) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */
+			AM64X_IOPAD(0x0118, PIN_INPUT, 4) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */
+			AM64X_IOPAD(0x0134, PIN_OUTPUT, 4) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */
+			AM64X_IOPAD(0x0138, PIN_OUTPUT, 4) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */
+			AM64X_IOPAD(0x013c, PIN_OUTPUT, 4) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */
+			AM64X_IOPAD(0x0140, PIN_OUTPUT, 4) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */
+			AM64X_IOPAD(0x0148, PIN_OUTPUT, 4) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */
+			AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */
+		>;
+	};
 };
 
 &mcu_uart0 {
@@ -171,3 +213,34 @@ &sdhci1 {
 	ti,driver-strength-ohm = <50>;
 	disable-wp;
 };
+
+&cpsw3g {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mdio1_pins_default
+		     &rgmii1_pins_default
+		     &rgmii2_pins_default>;
+};
+
+&cpsw_port1 {
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&cpsw3g_phy0>;
+};
+
+&cpsw_port2 {
+	phy-mode = "rgmii-rxid";
+	phy-handle = <&cpsw3g_phy1>;
+};
+
+&cpsw3g_mdio {
+	cpsw3g_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>;
+	};
+
+	cpsw3g_phy1: ethernet-phy@1 {
+		reg = <1>;
+		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+	};
+};