ARM: dts: microchip: sama7d65: Enable GMAC interface

Enable GMAC0 interface for sama7d65_curiosity board.

Signed-off-by: Ryan Wanner <[email protected]>
Link: https://lore.kernel.org/r/fca0c1deb74006cdedbdd71061dec9dabf1e9b9a.1743523114.git.Ryan.Wanner@microchip.com
[claudiu.beznea: move gmac0 node to keep the nodes alphanumerically
 sorted, dropped status property on the PHY node, added missing blank
 line]
Signed-off-by: Claudiu Beznea <[email protected]>

Author: ryan-wanner

arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts

@@ -60,6 +60,24 @@
 	status = "okay";
 };
 
+&gmac0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gmac0_default
+		     &pinctrl_gmac0_mdio_default
+		     &pinctrl_gmac0_txck_default
+		     &pinctrl_gmac0_phy_irq>;
+	phy-mode = "rgmii-id";
+	status = "okay";
+
+	ethernet-phy@7 {
+		reg = <0x7>;
+		interrupt-parent = <&pioa>;
+		interrupts = <PIN_PC1 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &i2c10 {
 	dmas = <0>, <0>;
 	i2c-analog-filter;
@@ -106,6 +124,39 @@
 };
 
 &pioa {
+	pinctrl_gmac0_default: gmac0-default {
+		pinmux = <PIN_PA26__G0_TX0>,
+			 <PIN_PA27__G0_TX1>,
+			 <PIN_PB4__G0_TX2>,
+			 <PIN_PB5__G0_TX3>,
+			 <PIN_PA29__G0_RX0>,
+			 <PIN_PA30__G0_RX1>,
+			 <PIN_PB2__G0_RX2>,
+			 <PIN_PB6__G0_RX3>,
+			 <PIN_PA25__G0_TXCTL>,
+			 <PIN_PB3__G0_RXCK>,
+			 <PIN_PA28__G0_RXCTL>;
+		slew-rate = <0>;
+		bias-disable;
+	};
+
+	pinctrl_gmac0_mdio_default: gmac0-mdio-default {
+		pinmux = <PIN_PA31__G0_MDC>,
+			 <PIN_PB0__G0_MDIO>;
+		bias-disable;
+	};
+
+	pinctrl_gmac0_phy_irq: gmac0-phy-irq {
+		pinmux = <PIN_PC1__GPIO>;
+		bias-disable;
+	};
+
+	pinctrl_gmac0_txck_default: gmac0-txck-default {
+		pinmux = <PIN_PB1__G0_REFCK>;
+		slew-rate = <0>;
+		bias-pull-up;
+	};
+
 	pinctrl_i2c10_default: i2c10-default{
 		pinmux = <PIN_PB19__FLEXCOM10_IO1>,
 			 <PIN_PB20__FLEXCOM10_IO0>;