portenta_h7: enable ethernet driver

On older Portenta H7, 1V2 power rail must be enabled
to get a functional ethernet phy.

Signed-off-by: Martino Facchin <[email protected]>

Author: facchinm

boards/arduino/portenta_h7/Kconfig.defconfig

@@ -3,6 +3,9 @@
 
 if BOARD_ARDUINO_PORTENTA_H7
 
+config REGULATOR
+	default y if NETWORKING
+
 if NETWORKING
 
 config NET_L2_ETHERNET

boards/arduino/portenta_h7/arduino_portenta_h7-common.dtsi

@@ -209,19 +209,35 @@
 	};
 };
 
+&rng {
+	status = "okay";
+};
+
 &mac {
 	pinctrl-0 = < &eth_ref_clk_pa1
-		      &eth_mdio_pa2
 		      &eth_crs_dv_pa7
-		      &eth_mdc_pc1
 		      &eth_rxd0_pc4
 		      &eth_rxd1_pc5
 		      &eth_tx_en_pg11
 		      &eth_txd1_pg12
 		      &eth_txd0_pg13 >;
 	pinctrl-names = "default";
+	status = "okay";
+};
+
+&mdio {
+	status = "okay";
+	pinctrl-0 = <&eth_mdio_pa2 &eth_mdc_pc1>;
+	pinctrl-names = "default";
+
+	ethernet-phy@0 {
+		compatible = "ethernet-phy";
+		reg = <0x00>;
+		status = "okay";
+	};
 };
 
+
 zephyr_udc0: &usbotg_hs {
 	pinctrl-0 = < &usb_otg_hs_ulpi_d0_pa3
 		      &usb_otg_hs_ulpi_ck_pa5

boards/arduino/portenta_h7/arduino_portenta_h7_stm32h747xx_m7.yaml

@@ -10,4 +10,11 @@ ram: 512
 flash: 1024
 supported:
   - gpio
+  - netif:eth
+  - i2c
+  - spi
+  - qspi
+  - memc
+  - usb_cdc
+  - usb_device
 vendor: arduino