arm64: dts: ti: k3-am69-sk: Enable mcu network port

Enable networking for NFS and basic networking functionality.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230602214937.2349545-6-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index d51e112..2194910 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -25,6 +25,7 @@
                mmc0 = &main_sdhci0;
                mmc1 = &main_sdhci1;
                i2c3 = &main_i2c0;
+               ethernet0 = &mcu_cpsw_port1;
        };
 
        memory@80000000 {
@@ -140,6 +141,32 @@
        };
 };
 
+&wkup_pmx2 {
+       mcu_cpsw_pins_default: mcu-cpsw-pins-default {
+               pinctrl-single,pins = <
+                       J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */
+                       J784S4_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (B36) MCU_RGMII1_RD1 */
+                       J784S4_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (C36) MCU_RGMII1_RD2 */
+                       J784S4_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (D36) MCU_RGMII1_RD3 */
+                       J784S4_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (B37) MCU_RGMII1_RXC */
+                       J784S4_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (C37) MCU_RGMII1_RX_CTL */
+                       J784S4_WKUP_IOPAD(0x014, PIN_OUTPUT, 0) /* (D37) MCU_RGMII1_TD0 */
+                       J784S4_WKUP_IOPAD(0x010, PIN_OUTPUT, 0) /* (D38) MCU_RGMII1_TD1 */
+                       J784S4_WKUP_IOPAD(0x00c, PIN_OUTPUT, 0) /* (E37) MCU_RGMII1_TD2 */
+                       J784S4_WKUP_IOPAD(0x008, PIN_OUTPUT, 0) /* (E38) MCU_RGMII1_TD3 */
+                       J784S4_WKUP_IOPAD(0x018, PIN_OUTPUT, 0) /* (E36) MCU_RGMII1_TXC */
+                       J784S4_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (C38) MCU_RGMII1_TX_CTL */
+               >;
+       };
+
+       mcu_mdio_pins_default: mcu-mdio-pins-default {
+               pinctrl-single,pins = <
+                       J784S4_WKUP_IOPAD(0x034, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */
+                       J784S4_WKUP_IOPAD(0x030, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */
+               >;
+       };
+};
+
 &main_uart8 {
        status = "okay";
        pinctrl-names = "default";
@@ -187,3 +214,24 @@
 &main_gpio0 {
        status = "okay";
 };
+
+&mcu_cpsw {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&mcu_cpsw_pins_default>, <&mcu_mdio_pins_default>;
+};
+
+&davinci_mdio {
+       mcu_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;
+       };
+};
+
+&mcu_cpsw_port1 {
+       status = "okay";
+       phy-mode = "rgmii-rxid";
+       phy-handle = <&mcu_phy0>;
+};