diff --git a/arch/arm/dts/imx8mn-beacon-baseboard.dtsi b/arch/arm/dts/imx8mn-beacon-baseboard.dtsi
index 02f37dc..9e82069 100644
--- a/arch/arm/dts/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm/dts/imx8mn-beacon-baseboard.dtsi
@@ -146,7 +146,7 @@
 };
 
 &easrc {
-	fsl,asrc-rate  = <48000>;
+	fsl,asrc-rate = <48000>;
 	status = "okay";
 };
 
@@ -182,7 +182,7 @@
 &usbotg1 {
 	vbus-supply = <&reg_usb_otg_vbus>;
 	disable-over-current;
-	dr_mode="otg";
+	dr_mode = "otg";
 	status = "okay";
 };
 
diff --git a/arch/arm/dts/imx8mn-evk.dtsi b/arch/arm/dts/imx8mn-evk.dtsi
index d1f6ccc..261c365 100644
--- a/arch/arm/dts/imx8mn-evk.dtsi
+++ b/arch/arm/dts/imx8mn-evk.dtsi
@@ -47,6 +47,11 @@
 		linux,autosuspend-period = <125>;
 	};
 
+	audio_codec_bt_sco: audio-codec-bt-sco {
+		compatible = "linux,bt-sco";
+		#sound-dai-cells = <1>;
+	};
+
 	wm8524: audio-codec {
 		#sound-dai-cells = <0>;
 		compatible = "wlf,wm8524";
@@ -57,6 +62,25 @@
 		clock-names = "mclk";
 	};
 
+	sound-bt-sco {
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "bt-sco-audio";
+		simple-audio-card,format = "dsp_a";
+		simple-audio-card,bitclock-inversion;
+		simple-audio-card,frame-master = <&btcpu>;
+		simple-audio-card,bitclock-master = <&btcpu>;
+
+		btcpu: simple-audio-card,cpu {
+			sound-dai = <&sai2>;
+			dai-tdm-slot-num = <2>;
+			dai-tdm-slot-width = <16>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&audio_codec_bt_sco 1>;
+		};
+	};
+
 	sound-wm8524 {
 		compatible = "fsl,imx-audio-wm8524";
 		model = "wm8524-audio";
@@ -78,7 +102,7 @@
 };
 
 &easrc {
-	fsl,asrc-rate  = <48000>;
+	fsl,asrc-rate = <48000>;
 	status = "okay";
 };
 
@@ -183,6 +207,16 @@
 	};
 };
 
+&sai2 {
+	#sound-dai-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai2>;
+	assigned-clocks = <&clk IMX8MN_CLK_SAI2>;
+	assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
+	assigned-clock-rates = <24576000>;
+	status = "okay";
+};
+
 &sai3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai3>;
@@ -354,6 +388,15 @@
 		>;
 	};
 
+	pinctrl_sai2: sai2grp {
+		fsl,pins = <
+			MX8MN_IOMUXC_SAI2_TXC_SAI2_TX_BCLK      0xd6
+			MX8MN_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC     0xd6
+			MX8MN_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0    0xd6
+			MX8MN_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0    0xd6
+		>;
+	};
+
 	pinctrl_sai3: sai3grp {
 		fsl,pins = <
 			MX8MN_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC     0xd6
diff --git a/arch/arm/dts/imx8mn-var-som-symphony.dts b/arch/arm/dts/imx8mn-var-som-symphony.dts
index f61c487..3ed7021 100644
--- a/arch/arm/dts/imx8mn-var-som-symphony.dts
+++ b/arch/arm/dts/imx8mn-var-som-symphony.dts
@@ -26,19 +26,19 @@
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		back {
+		key-back {
 			label = "Back";
 			gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_BACK>;
 		};
 
-		home {
+		key-home {
 			label = "Home";
 			gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_HOME>;
 		};
 
-		menu {
+		key-menu {
 			label = "Menu";
 			gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_MENU>;
diff --git a/arch/arm/dts/imx8mn-venice-gw7902.dts b/arch/arm/dts/imx8mn-venice-gw7902.dts
index 367a232..dd4302a 100644
--- a/arch/arm/dts/imx8mn-venice-gw7902.dts
+++ b/arch/arm/dts/imx8mn-venice-gw7902.dts
@@ -39,13 +39,13 @@
 	gpio-keys {
 		compatible = "gpio-keys";
 
-		user-pb {
+		key-user-pb {
 			label = "user_pb";
 			gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
 			linux,code = <BTN_0>;
 		};
 
-		user-pb1x {
+		key-user-pb1x {
 			label = "user_pb1x";
 			linux,code = <BTN_1>;
 			interrupt-parent = <&gsc>;
@@ -59,14 +59,14 @@
 			interrupts = <1>;
 		};
 
-		eeprom-wp {
+		key-eeprom-wp {
 			label = "eeprom_wp";
 			linux,code = <BTN_3>;
 			interrupt-parent = <&gsc>;
 			interrupts = <2>;
 		};
 
-		tamper {
+		key-tamper {
 			label = "tamper";
 			linux,code = <BTN_4>;
 			interrupt-parent = <&gsc>;
@@ -213,7 +213,6 @@
 		compatible = "microchip,mcp2515";
 		reg = <0>;
 		clocks = <&can20m>;
-		oscillator-frequency = <20000000>;
 		interrupt-parent = <&gpio2>;
 		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
 		spi-max-frequency = <10000000>;
diff --git a/arch/arm/dts/imx8mn.dtsi b/arch/arm/dts/imx8mn.dtsi
index e41e1d5..cb2836b 100644
--- a/arch/arm/dts/imx8mn.dtsi
+++ b/arch/arm/dts/imx8mn.dtsi
@@ -212,7 +212,7 @@
 	clk_ext4: clock-ext4 {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
-		clock-frequency= <133000000>;
+		clock-frequency = <133000000>;
 		clock-output-names = "clk_ext4";
 	};
 
@@ -269,7 +269,7 @@
 		arm,no-tick-in-suspend;
 	};
 
-	soc@0 {
+	soc: soc@0 {
 		compatible = "fsl,imx8mn-soc", "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -422,7 +422,7 @@
 						    "ctx2_rx", "ctx2_tx",
 						    "ctx3_rx", "ctx3_tx";
 					firmware-name = "imx/easrc/easrc-imx8mn.bin";
-					fsl,asrc-rate  = <8000>;
+					fsl,asrc-rate = <8000>;
 					fsl,asrc-format = <2>;
 					status = "disabled";
 				};
@@ -672,7 +672,6 @@
 							 <&clk IMX8MN_CLK_GPU_SHADER>,
 							 <&clk IMX8MN_CLK_GPU_BUS_ROOT>,
 							 <&clk IMX8MN_CLK_GPU_AHB>;
-						resets = <&src IMX8MQ_RESET_GPU_RESET>;
 					};
 
 					pgc_dispmix: power-domain@3 {
@@ -857,6 +856,7 @@
 					 compatible = "fsl,sec-v4.0-job-ring";
 					 reg = <0x1000 0x1000>;
 					 interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
+					 status = "disabled";
 				};
 
 				sec_jr1: jr@2000 {
@@ -941,7 +941,7 @@
 					 <&clk IMX8MN_CLK_USDHC1_ROOT>;
 				clock-names = "ipg", "ahb", "per";
 				fsl,tuning-start-tap = <20>;
-				fsl,tuning-step= <2>;
+				fsl,tuning-step = <2>;
 				bus-width = <4>;
 				status = "disabled";
 			};
@@ -955,7 +955,7 @@
 					 <&clk IMX8MN_CLK_USDHC2_ROOT>;
 				clock-names = "ipg", "ahb", "per";
 				fsl,tuning-start-tap = <20>;
-				fsl,tuning-step= <2>;
+				fsl,tuning-step = <2>;
 				bus-width = <4>;
 				status = "disabled";
 			};
@@ -969,7 +969,7 @@
 					 <&clk IMX8MN_CLK_USDHC3_ROOT>;
 				clock-names = "ipg", "ahb", "per";
 				fsl,tuning-start-tap = <20>;
-				fsl,tuning-step= <2>;
+				fsl,tuning-step = <2>;
 				bus-width = <4>;
 				status = "disabled";
 			};