[PATCH v3 3/3] arm64: dts: renesas: rzg3e-smarc-som: Enable eth{0-1} (GBETH) interfaces

From: John Madieu
Date: Mon Jun 23 2025 - 04:11:13 EST

Enable the Gigabit Ethernet Interfaces (GBETH) populated on the RZ/G3E SMARC EVK

Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Tested-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Signed-off-by: John Madieu <john.madieu.xa@xxxxxxxxxxxxxx>
---

Changes:

v2:
No changes but resending without dt-bindings patch

v3:
Updates mdio separately, based on phandles instead of node redefinition

.../boot/dts/renesas/rzg3e-smarc-som.dtsi | 98 +++++++++++++++++++
1 file changed, 98 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
index f99a09d04ddd..2281ec05c1f5 100644
--- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
@@ -26,6 +26,8 @@ / {
compatible = "renesas,rzg3e-smarcm", "renesas,r9a09g047e57", "renesas,r9a09g047";

aliases {
+ ethernet0 = &eth0;
+ ethernet1 = &eth1;
i2c2 = &i2c2;
mmc0 = &sdhi0;
mmc2 = &sdhi2;
@@ -77,6 +79,24 @@ &audio_extal_clk {
clock-frequency = <48000000>;
};

+&eth0 {
+ phy-handle = <&phy0>;
+ phy-mode = "rgmii-id";
+
+ pinctrl-0 = <&eth0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&eth1 {
+ phy-handle = <&phy1>;
+ phy-mode = "rgmii-id";
+
+ pinctrl-0 = <&eth1_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
&gpu {
status = "okay";
mali-supply = <&reg_vdd0p8v_others>;
@@ -102,7 +122,85 @@ raa215300: pmic@12 {
};
};

+&mdio0 {
+ phy0: ethernet-phy@7 {
+ compatible = "ethernet-phy-id0022.1640",
+ "ethernet-phy-ieee802.3-c22";
+ reg = <7>;
+ interrupts-extended = <&icu 3 IRQ_TYPE_LEVEL_LOW>;
+ rxc-skew-psec = <1400>;
+ txc-skew-psec = <1400>;
+ rxdv-skew-psec = <0>;
+ txdv-skew-psec = <0>;
+ rxd0-skew-psec = <0>;
+ rxd1-skew-psec = <0>;
+ rxd2-skew-psec = <0>;
+ rxd3-skew-psec = <0>;
+ txd0-skew-psec = <0>;
+ txd1-skew-psec = <0>;
+ txd2-skew-psec = <0>;
+ txd3-skew-psec = <0>;
+ };
+};
+
+&mdio1 {
+ phy1: ethernet-phy@7 {
+ compatible = "ethernet-phy-id0022.1640",
+ "ethernet-phy-ieee802.3-c22";
+ reg = <7>;
+ interrupts-extended = <&icu 16 IRQ_TYPE_LEVEL_LOW>;
+ rxc-skew-psec = <1400>;
+ txc-skew-psec = <1400>;
+ rxdv-skew-psec = <0>;
+ txdv-skew-psec = <0>;
+ rxd0-skew-psec = <0>;
+ rxd1-skew-psec = <0>;
+ rxd2-skew-psec = <0>;
+ rxd3-skew-psec = <0>;
+ txd0-skew-psec = <0>;
+ txd1-skew-psec = <0>;
+ txd2-skew-psec = <0>;
+ txd3-skew-psec = <0>;
+ };
+};
+
&pinctrl {
+ eth0_pins: eth0 {
+ pinmux = <RZG3E_PORT_PINMUX(A, 1, 1)>, /* MDC */
+ <RZG3E_PORT_PINMUX(A, 0, 1)>, /* MDIO */
+ <RZG3E_PORT_PINMUX(C, 2, 15)>, /* PHY_INTR (IRQ2) */
+ <RZG3E_PORT_PINMUX(C, 1, 1)>, /* RXD3 */
+ <RZG3E_PORT_PINMUX(C, 0, 1)>, /* RXD2 */
+ <RZG3E_PORT_PINMUX(B, 7, 1)>, /* RXD1 */
+ <RZG3E_PORT_PINMUX(B, 6, 1)>, /* RXD0 */
+ <RZG3E_PORT_PINMUX(B, 0, 1)>, /* RXC */
+ <RZG3E_PORT_PINMUX(A, 2, 1)>, /* RX_CTL */
+ <RZG3E_PORT_PINMUX(B, 5, 1)>, /* TXD3 */
+ <RZG3E_PORT_PINMUX(B, 4, 1)>, /* TXD2 */
+ <RZG3E_PORT_PINMUX(B, 3, 1)>, /* TXD1 */
+ <RZG3E_PORT_PINMUX(B, 2, 1)>, /* TXD0 */
+ <RZG3E_PORT_PINMUX(B, 1, 1)>, /* TXC */
+ <RZG3E_PORT_PINMUX(A, 3, 1)>; /* TX_CTL */
+ };
+
+ eth1_pins: eth1 {
+ pinmux = <RZG3E_PORT_PINMUX(D, 1, 1)>, /* MDC */
+ <RZG3E_PORT_PINMUX(D, 0, 1)>, /* MDIO */
+ <RZG3E_PORT_PINMUX(F, 2, 15)>, /* PHY_INTR (IRQ15) */
+ <RZG3E_PORT_PINMUX(F, 1, 1)>, /* RXD3 */
+ <RZG3E_PORT_PINMUX(F, 0, 1)>, /* RXD2 */
+ <RZG3E_PORT_PINMUX(E, 7, 1)>, /* RXD1 */
+ <RZG3E_PORT_PINMUX(E, 6, 1)>, /* RXD0 */
+ <RZG3E_PORT_PINMUX(E, 0, 1)>, /* RXC */
+ <RZG3E_PORT_PINMUX(D, 2, 1)>, /* RX_CTL */
+ <RZG3E_PORT_PINMUX(E, 5, 1)>, /* TXD3 */
+ <RZG3E_PORT_PINMUX(E, 4, 1)>, /* TXD2 */
+ <RZG3E_PORT_PINMUX(E, 3, 1)>, /* TXD1 */
+ <RZG3E_PORT_PINMUX(E, 2, 1)>, /* TXD0 */
+ <RZG3E_PORT_PINMUX(E, 1, 1)>, /* TXC */
+ <RZG3E_PORT_PINMUX(D, 3, 1)>; /* TX_CTL */
+ };
+
i2c2_pins: i2c {
pinmux = <RZG3E_PORT_PINMUX(3, 4, 1)>, /* SCL2 */
<RZG3E_PORT_PINMUX(3, 5, 1)>; /* SDA2 */
--
2.25.1