diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt
index 7d21ab37c19c..c07ddf4b7819 100644
--- a/Documentation/devicetree/bindings/arm/mediatek.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek.txt
@@ -59,9 +59,6 @@ Supported boards:
 - Reference board for MT7623n with eMMC:
     Required root node properties:
       - compatible = "mediatek,mt7623n-rfb-emmc", "mediatek,mt7623";
-- Reference  board for MT7623n with NAND:
-    Required root node properties:
-      - compatible = "mediatek,mt7623n-rfb-nand", "mediatek,mt7623";
 - Bananapi BPI-R2 board:
       - compatible = "bananapi,bpi-r2", "mediatek,mt7623";
 - MTK mt8127 tablet moose EVB:
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c1eb84058039..b5bd3de87c33 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1192,7 +1192,6 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7623a-rfb-emmc.dtb \
 	mt7623a-rfb-nand.dtb \
 	mt7623n-rfb-emmc.dtb \
-	mt7623n-rfb-nand.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt8127-moose.dtb \
 	mt8135-evbp1.dtb
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index d1eb123bc73b..1cdc346a05e8 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -92,6 +92,7 @@ cpu1: cpu@1 {
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cpu_opp_table>;
+			#cooling-cells = <2>;
 			clock-frequency = <1300000000>;
 		};
 
@@ -103,6 +104,7 @@ cpu2: cpu@2 {
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cpu_opp_table>;
+			#cooling-cells = <2>;
 			clock-frequency = <1300000000>;
 		};
 
@@ -114,6 +116,7 @@ cpu3: cpu@3 {
 				 <&apmixedsys CLK_APMIXED_MAINPLL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cpu_opp_table>;
+			#cooling-cells = <2>;
 			clock-frequency = <1300000000>;
 		};
 	};
diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
index 531d905d924f..2b760f90f38c 100644
--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
@@ -91,19 +91,19 @@ leds {
 
 		blue {
 			label = "bpi-r2:pio:blue";
-			gpios = <&pio 241 GPIO_ACTIVE_HIGH>;
+			gpios = <&pio 240 GPIO_ACTIVE_LOW>;
 			default-state = "off";
 		};
 
 		green {
 			label = "bpi-r2:pio:green";
-			gpios = <&pio 240 GPIO_ACTIVE_HIGH>;
+			gpios = <&pio 241 GPIO_ACTIVE_LOW>;
 			default-state = "off";
 		};
 
 		red {
 			label = "bpi-r2:pio:red";
-			gpios = <&pio 239 GPIO_ACTIVE_HIGH>;
+			gpios = <&pio 239 GPIO_ACTIVE_LOW>;
 			default-state = "off";
 		};
 	};
diff --git a/arch/arm/boot/dts/mt7623n-rfb-nand.dts b/arch/arm/boot/dts/mt7623n-rfb-nand.dts
deleted file mode 100644
index 96ff3c9068ae..000000000000
--- a/arch/arm/boot/dts/mt7623n-rfb-nand.dts
+++ /dev/null
@@ -1,73 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2017 MediaTek Inc.
- * Author: John Crispin <john@phrozen.org>
- *
- */
-
-/dts-v1/;
-#include "mt7623n-rfb.dtsi"
-
-/ {
-	model = "MediaTek MT7623N NAND reference board";
-	compatible = "mediatek,mt7623n-rfb-nand", "mediatek,mt7623";
-};
-
-&bch {
-	status = "okay";
-};
-
-&nandc {
-	status = "okay";
-	pinctrl-names = "default";
-	pinctrl-0 = <&nand_pins_default>;
-
-	nand@0 {
-		reg = <0>;
-		spare_per_sector = <64>;
-		nand-ecc-mode = "hw";
-		nand-ecc-strength = <12>;
-		nand-ecc-step-size = <1024>;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "preloader";
-				reg = <0x0 0x40000>;
-			};
-
-			partition@40000 {
-				label = "uboot";
-				reg = <0x40000 0x80000>;
-			};
-
-			partition@c0000 {
-				label = "uboot-env";
-				reg = <0xC0000 0x40000>;
-			};
-
-			partition@140000 {
-				label = "bootimg";
-				reg = <0x140000 0x2000000>;
-			};
-
-			partition@2140000 {
-				label = "recovery";
-				reg = <0x2140000 0x2000000>;
-			};
-
-			partition@4140000 {
-				label = "rootfs";
-				reg = <0x4140000 0x1000000>;
-			};
-
-			partition@5140000 {
-				label = "usrdata";
-				reg = <0x5140000 0x1000000>;
-			};
-		};
-	};
-};
diff --git a/arch/arm/boot/dts/mt7623n-rfb.dtsi b/arch/arm/boot/dts/mt7623n-rfb.dtsi
deleted file mode 100644
index 5c5cc7da5dd2..000000000000
--- a/arch/arm/boot/dts/mt7623n-rfb.dtsi
+++ /dev/null
@@ -1,86 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2017 MediaTek Inc.
- * Author: John Crispin <john@phrozen.org>
- *	   Sean Wang <sean.wang@mediatek.com>
- *
- */
-
-/dts-v1/;
-#include "mt7623.dtsi"
-#include "mt6323.dtsi"
-
-/ {
-	aliases {
-		serial0 = &uart0;
-		serial1 = &uart1;
-		serial2 = &uart2;
-	};
-
-	chosen {
-		stdout-path = "serial2:115200n8";
-	};
-
-	cpus {
-		cpu0 {
-			proc-supply = <&mt6323_vproc_reg>;
-		};
-
-		cpu1 {
-			proc-supply = <&mt6323_vproc_reg>;
-		};
-
-		cpu2 {
-			proc-supply = <&mt6323_vproc_reg>;
-		};
-
-		cpu3 {
-			proc-supply = <&mt6323_vproc_reg>;
-		};
-	};
-
-	memory@80000000 {
-		device_type = "memory";
-		reg = <0 0x80000000 0 0x40000000>;
-	};
-
-	usb_p1_vbus: regulator-5v {
-		compatible = "regulator-fixed";
-		regulator-name = "usb_vbus";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		gpio = <&pio 135 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-	};
-};
-
-&mmc0 {
-	vmmc-supply = <&mt6323_vemc3v3_reg>;
-	vqmmc-supply = <&mt6323_vio18_reg>;
-};
-
-&mmc1 {
-	vmmc-supply = <&mt6323_vmch_reg>;
-	vqmmc-supply = <&mt6323_vmc_reg>;
-};
-
-&uart0 {
-	status = "okay";
-};
-
-&uart1 {
-	status = "okay";
-};
-
-&uart2 {
-	status = "okay";
-};
-
-&usb1 {
-	vbus-supply = <&usb_p1_vbus>;
-	status = "okay";
-};
-
-&u3phy1 {
-	status = "okay";
-};