From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Thu, 30 Apr 2026 12:53:09 +0000 (+0100)
Subject: arm64: dts: renesas: rzg3l-smarc-som: Add pinctrl configuration for ETH0
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72411a23c3942a2d5462f1695f0bceaf1c018bf7;p=thirdparty%2Flinux.git

arm64: dts: renesas: rzg3l-smarc-som: Add pinctrl configuration for ETH0

Add pin control configuration for the ETH0 Ethernet interface on the
RZ/G3L SMARC SoM board and also enable hotplug support.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260430125342.439755-6-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
index acead2b1c842b..0ae052238b3b5 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
@@ -14,6 +14,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/renesas,r9a08g046-pinctrl.h>
 #include "r9a08g046l48.dtsi"
 #include "rzg3l-smarc-som.dtsi"
 #include "renesas-smarc2.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi
index fb781d9035aa6..c7227a865fa40 100644
--- a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi
@@ -23,6 +23,8 @@
 	phy-handle = <&phy0>;
 	phy-mode = "rgmii-id";
 
+	pinctrl-0 = <&eth0_pins>;
+	pinctrl-names = "default";
 	status = "okay";
 };
 
@@ -38,6 +40,7 @@
 	phy0: ethernet-phy@7 {
 		compatible = "ethernet-phy-id0022.1640";
 		reg = <7>;
+		interrupts-extended = <&icu 3 IRQ_TYPE_LEVEL_LOW>;
 		rxc-skew-psec = <1400>;
 		txc-skew-psec = <1400>;
 		rxdv-skew-psec = <0>;
@@ -52,3 +55,32 @@
 		txd3-skew-psec = <0>;
 	};
 };
+
+&pinctrl {
+	eth0_pins: eth0 {
+		txc {
+			pinmux = <RZG3L_PORT_PINMUX(B, 1, 1)>;  /* ETH0_TXC_REF_CLK */
+			power-source = <1800>;
+			output-enable;
+			drive-strength-microamp = <5200>;
+		};
+
+		ctrl {
+			pinmux = <RZG3L_PORT_PINMUX(A, 0, 1)>, /* MDIO */
+				 <RZG3L_PORT_PINMUX(A, 1, 1)>, /* MDC */
+				 <RZG3L_PORT_PINMUX(A, 2, 1)>, /* RX_CTL */
+				 <RZG3L_PORT_PINMUX(A, 3, 1)>, /* TX_CTL */
+				 <RZG3L_PORT_PINMUX(B, 0, 1)>, /* RXC */
+				 <RZG3L_PORT_PINMUX(B, 2, 1)>, /* TXD0 */
+				 <RZG3L_PORT_PINMUX(B, 3, 1)>, /* TXD1 */
+				 <RZG3L_PORT_PINMUX(B, 4, 1)>, /* TXD2 */
+				 <RZG3L_PORT_PINMUX(B, 5, 1)>, /* TXD3 */
+				 <RZG3L_PORT_PINMUX(B, 6, 1)>, /* RXD0 */
+				 <RZG3L_PORT_PINMUX(B, 7, 1)>, /* RXD1 */
+				 <RZG3L_PORT_PINMUX(C, 0, 1)>, /* RXD2 */
+				 <RZG3L_PORT_PINMUX(C, 1, 1)>, /* RXD3 */
+				 <RZG3L_PORT_PINMUX(C, 2, 15)>; /* PHY_INTR */
+				 power-source = <1800>;
+		};
+	};
+};