openwrt/target/linux/mediatek/patches-5.10/131-dts-mt7622-add-snand-support.patch

--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -554,6 +554,19 @@
 		status = "disabled";
 	};
 
+	snfi: spi@1100d000 {
+		compatible = "mediatek,mt7622-snfi";
+		reg = <0 0x1100d000 0 0x1000>;
+		interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&pericfg CLK_PERI_NFI_PD>,
+			 <&pericfg CLK_PERI_SNFI_PD>;
+		clock-names = "nfi_clk", "spi_clk";
+		ecc-engine = <&bch>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
 	nor_flash: spi@11014000 {
 		compatible = "mediatek,mt7622-nor",
 			     "mediatek,mt8173-nor";
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -85,7 +85,7 @@
 };
 
 &bch {
-	status = "disabled";
+	status = "okay";
 };
 
 &btif {
@@ -529,6 +529,62 @@
 	status = "disabled";
 };
 
+&snfi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&serial_nand_pins>;
+	status = "okay";
+
+	spi_nand@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-nand";
+		spi-max-frequency = <104000000>;
+		reg = <0>;
+
+		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>;