[PATCH 5/8] arm64: dts: ti: k3-am69-sk: Enable mcu network port

From: Nishanth Menon
Date: Fri Jun 02 2023 - 17:50:03 EST


Enable networking for NFS and basic networking functionality.

Signed-off-by: Nishanth Menon <nm@xxxxxx>
---
Depends on https://lore.kernel.org/linux-arm-kernel/20230503083143.32369-1-t-konduru@xxxxxx/

arch/arm64/boot/dts/ti/k3-am69-sk.dts | 48 +++++++++++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index f364b7803115..ae41ff6249a1 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -24,6 +24,7 @@ aliases {
serial2 = &main_uart8;
mmc1 = &main_sdhci1;
i2c3 = &main_i2c0;
+ ethernet0 = &mcu_cpsw_port1;
};

memory@80000000 {
@@ -139,6 +140,32 @@ J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */
};
};

+&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";
@@ -178,3 +205,24 @@ &main_sdhci1 {
&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>;
+};
--
2.40.0