Add dual Ethernet:
-Ethernet1: RMII with crystal
-Ethernet2: RMII without crystal
PHYs used are SMSC (LAN8742A)
With Ethernet1, we can performed WoL from PHY instead of GMAC point
of view.
(in this case IRQ for WoL is managed as wakeup pin and configured
in OS secure).
diff --git a/arch/arm/boot/dts/st/stm32mp135f-dk.dts b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
index 567e53ad285f..3b8eb0ab9ab9 100644
--- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
@@ -19,6 +19,8 @@ / {
compatible = "st,stm32mp135f-dk", "st,stm32mp135";
aliases {
+ ethernet0 = ðernet1;
+ ethernet1 = ðernet2;
serial0 = &uart4;
serial1 = &usart1;
serial2 = &uart8;
@@ -141,6 +143,52 @@ &cryp {
status = "okay";
};
+ðernet1 {
+ status = "okay";
+ pinctrl-0 = <ð1_rmii_pins_a>;
+ pinctrl-1 = <ð1_rmii_sleep_pins_a>;
+ pinctrl-names = "default", "sleep";
+ phy-mode = "rmii";
+ max-speed = <100>;
+ phy-handle = <&phy0_eth1>;
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dwmac-mdio";
+
+ phy0_eth1: ethernet-phy@0 {
+ compatible = "ethernet-phy-id0007.c131";
+ reset-gpios = <&mcp23017 9 GPIO_ACTIVE_LOW>;
+ reg = <0>;
+ wakeup-source;
+ };
+ };
+};
+
+ðernet2 {
+ status = "okay";
+ pinctrl-0 = <ð2_rmii_pins_a>;
+ pinctrl-1 = <ð2_rmii_sleep_pins_a>;
+ pinctrl-names = "default", "sleep";
+ phy-mode = "rmii";
+ max-speed = <100>;
+ phy-handle = <&phy0_eth2>;
+ st,ext-phyclk;
+ phy-supply = <&scmi_v3v3_sw>;