Initial commit

target/linux/mediatek/dts/mt7981b-unielec-u7981-01-emmc.dts

@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (C) 2023 Allen Zhao <allenzhao@unielecinc.com>
+ */
+
+/dts-v1/;
+#include "mt7981b-unielec-u7981-01.dtsi"
+/ {
+	model = "Unielec U7981-01 (EMMC)";
+	compatible = "unielec,u7981-01-emmc", "mediatek,mt7981";
+};
+
+&mmc0 {
+	pinctrl-names = "default", "state_uhs";
+	pinctrl-0 = <&mmc0_pins_default>;
+	pinctrl-1 = <&mmc0_pins_uhs>;
+	bus-width = <8>;
+	max-frequency = <52000000>;
+	cap-mmc-highspeed;
+	vmmc-supply = <&reg_3p3v>;
+	non-removable;
+	status = "okay";
+
+	card@0 {
+		compatible = "mmc-card";
+		reg = <0>;
+
+		block {
+			compatible = "block-device";
+			partitions {
+				block-partition-env {
+					partname = "u-boot-env";
+
+					nvmem-layout {
+						compatible = "u-boot,env-layout";
+					};
+				};
+
+				block-partition-factory {
+					partname = "factory";
+
+					nvmem-layout {
+						compatible = "fixed-layout";
+						#address-cells = <1>;
+						#size-cells = <1>;
+
+						eeprom_factory_0: eeprom@0 {
+							reg = <0x0 0x1000>;
+						};
+
+						macaddr_factory_4: macaddr@4 {
+							compatible = "mac-base";
+							reg = <0x4 0x6>;
+							#nvmem-cell-cells = <1>;
+						};
+
+						macaddr_factory_1000: macaddr@1000 {
+							compatible = "mac-base";
+							reg = <0x1000 0x6>;
+							#nvmem-cell-cells = <1>;
+						};
+					};
+				};
+			};
+		};
+	};
+};
+
+&pio {
+	mmc0_pins_default: mmc0-pins-default {
+		mux {
+			function = "flash";
+			groups = "emmc_45";
+		};
+	};
+
+	mmc0_pins_uhs: mmc0-pins-uhs {
+		mux {
+			function = "flash";
+			groups = "emmc_45";
+		};
+	};
+};
+
+&gmac0 {
+	nvmem-cells = <&macaddr_factory_1000 0>;
+	nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+	nvmem-cells = <&macaddr_factory_1000 1>;
+	nvmem-cell-names = "mac-address";
+};
+
+&wifi {
+	nvmem-cells = <&eeprom_factory_0>;
+	nvmem-cell-names = "eeprom";
+	status = "okay";
+};