1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/white-hawk-ethernet.dtsi b/arch/arm64/boot/dts/renesas/white-hawk-ethernet.dtsi
new file mode 100644
index 000000000000..ad94bf3f5e6c
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/white-hawk-ethernet.dtsi
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the White Hawk RAVB/Ethernet(1000Base-T1)
+ * sub-board
+ *
+ * Copyright (C) 2022 Glider bv
+ */
+
+/ {
+	aliases {
+		ethernet1 = &avb1;
+		ethernet2 = &avb2;
+	};
+};
+
+&avb1 {
+	pinctrl-0 = <&avb1_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&avb1_phy>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reset-gpios = <&gpio6 1 GPIO_ACTIVE_LOW>;
+		reset-post-delay-us = <4000>;
+
+		avb1_phy: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c45";
+			reg = <0>;
+			interrupts-extended = <&gpio6 3 IRQ_TYPE_LEVEL_LOW>;
+		};
+	};
+};
+
+&avb2 {
+	pinctrl-0 = <&avb2_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&avb2_phy>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
+		reset-post-delay-us = <4000>;
+
+		avb2_phy: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c45";
+			reg = <0>;
+			interrupts-extended = <&gpio5 4 IRQ_TYPE_LEVEL_LOW>;
+		};
+	};
+};
+
+&i2c0 {
+	eeprom@53 {
+		compatible = "rohm,br24g01", "atmel,24c01";
+		label = "ethernet-sub-board-id";
+		reg = <0x53>;
+		pagesize = <8>;
+	};
+};
+
+&pfc {
+	avb1_pins: avb1 {
+		mux {
+			groups = "avb1_link", "avb1_mdio", "avb1_rgmii",
+				 "avb1_txcrefclk";
+			function = "avb1";
+		};
+
+		mdio {
+			groups = "avb1_mdio";
+			drive-strength = <24>;
+			bias-disable;
+		};
+
+		rgmii {
+			groups = "avb1_rgmii";
+			drive-strength = <24>;
+			bias-disable;
+		};
+
+		link {
+			groups = "avb1_link";
+			bias-disable;
+		};
+	};
+
+	avb2_pins: avb2 {
+		mux {
+			groups = "avb2_link", "avb2_mdio", "avb2_rgmii",
+				 "avb2_txcrefclk";
+			function = "avb2";
+		};
+
+		mdio {
+			groups = "avb2_mdio";
+			drive-strength = <24>;
+			bias-disable;
+		};
+
+		rgmii {
+			groups = "avb2_rgmii";
+			drive-strength = <24>;
+			bias-disable;
+		};
+
+		link {
+			groups = "avb2_link";
+			bias-disable;
+		};
+	};
+};