Initial commit

target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-nand.dtso

@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "cmcc,rax3000m", "mediatek,mt7981";
+
+	fragment@0 {
+		target = <&chosen>;
+		__overlay__ {
+			rootdisk = <&ubi_rootdisk>;
+		};
+	};
+
+	fragment@1 {
+		target = <&gmac0>;
+		__overlay__ {
+			nvmem-cells = <&macaddr_factory_2a 0>;
+			nvmem-cell-names = "mac-address";
+		};
+	};
+
+	fragment@2 {
+		target = <&gmac1>;
+		__overlay__ {
+			nvmem-cells = <&macaddr_factory_24 0>;
+			nvmem-cell-names = "mac-address";
+		};
+	};
+
+	fragment@3 {
+		target = <&pio>;
+		__overlay__ {
+			spi0_flash_pins: spi0-pins {
+				mux {
+					function = "spi";
+					groups = "spi0", "spi0_wp_hold";
+				};
+
+				conf-pu {
+					pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
+					drive-strength = <8>;
+					mediatek,pull-up-adv = <0>; /* bias-disable */
+				};
+
+				conf-pd {
+					pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
+					drive-strength = <8>;
+					mediatek,pull-up-adv = <0>; /* bias-disable */
+				};
+			};
+		};
+	};
+
+	fragment@4 {
+		target = <&spi0>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&spi0_flash_pins>;
+			status = "okay";
+
+			spi_nand@0 {
+				compatible = "spi-nand";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0>;
+
+				spi-max-frequency = <52000000>;
+				spi-tx-bus-width = <4>;
+				spi-rx-bus-width = <4>;
+
+				partitions {
+					compatible = "fixed-partitions";
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					partition@0 {
+						label = "bl2";
+						reg = <0x00000 0x0100000>;
+						read-only;
+					};
+
+					partition@100000 {
+						label = "u-boot-env";
+						reg = <0x100000 0x80000>;
+					};
+
+					partition@180000 {
+						label = "factory";
+						reg = <0x180000 0x200000>;
+						read-only;
+
+						nvmem-layout {
+							compatible = "fixed-layout";
+							#address-cells = <1>;
+							#size-cells = <1>;
+
+							eeprom_factory_0: eeprom@0 {
+								reg = <0x0 0x1000>;
+							};
+
+							macaddr_factory_24: macaddr@24 {
+								compatible = "mac-base";
+								reg = <0x24 0x6>;
+								#nvmem-cell-cells = <1>;
+							};
+
+							macaddr_factory_2a: macaddr@2a {
+								compatible = "mac-base";
+								reg = <0x2a 0x6>;
+								#nvmem-cell-cells = <1>;
+							};
+						};
+					};
+
+					partition@380000 {
+						label = "fip";
+						reg = <0x380000 0x200000>;
+						read-only;
+					};
+
+					partition@580000 {
+						compatible = "linux,ubi";
+						label = "ubi";
+						reg = <0x580000 0x7200000>;
+
+						volumes {
+							ubi_rootdisk: ubi-volume-fit {
+								volname = "fit";
+							};
+						};
+					};
+				};
+			};
+		};
+	};
+
+	fragment@5 {
+		target = <&wifi>;
+		__overlay__ {
+			nvmem-cells = <&eeprom_factory_0>;
+			nvmem-cell-names = "eeprom";
+		};
+	};
+};