openwrt/target/linux/mediatek/patches-5.15/131-dts-mt7622-add-snand-support.patch

--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -540,6 +540,65 @@
 	status = "disabled";
 };
 
+&bch {
+	status = "okay";
+};
+
+&snfi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&serial_nand_pins>;
+	status = "okay";
+	flash@0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+		nand-ecc-engine = <&snfi>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "Preloader";
+				reg = <0x00000 0x0080000>;
+				read-only;
+			};
+
+			partition@80000 {
+				label = "ATF";
+				reg = <0x80000 0x0040000>;
+			};
+
+			partition@c0000 {
+				label = "Bootloader";
+				reg = <0xc0000 0x0080000>;
+			};
+
+			partition@140000 {
+				label = "Config";
+				reg = <0x140000 0x0080000>;
+			};
+
+			partition@1c0000 {
+				label = "Factory";
+				reg = <0x1c0000 0x0100000>;
+			};
+
+			partition@200000 {
+				label = "firmware";
+				reg = <0x2c0000 0x2000000>;
+			};
+
+			partition@2200000 {
+				label = "User_data";
+				reg = <0x22c0000 0x4000000>;
+			};
+		};
+	};
+};
+
 &spi0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&spic0_pins>;