1 files changed, 30 insertions, 5 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 277c11247c13..416096b80770 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -41,6 +41,18 @@
 		method = "smc";
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 192 KiB reserved for ARM Trusted Firmware (BL31) */
+		secmon_reserved: secmon@43000000 {
+			reg = <0 0x43000000 0 0x30000>;
+			no-map;
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		ranges;
@@ -82,7 +94,7 @@
 			#clock-cells = <1>;
 		};
 
-		pwm@10048000 {
+		pwm: pwm@10048000 {
 			compatible = "mediatek,mt7981-pwm";
 			reg = <0 0x10048000 0 0x1000>;
 			clocks = <&infracfg CLK_INFRA_PWM_STA>,
@@ -94,7 +106,7 @@
 			#pwm-cells = <2>;
 		};
 
-		serial@11002000 {
+		uart0: serial@11002000 {
 			compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
 			reg = <0 0x11002000 0 0x100>;
 			interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
@@ -102,10 +114,12 @@
 			clocks = <&infracfg CLK_INFRA_UART0_SEL>,
 				 <&infracfg CLK_INFRA_UART0_CK>;
 			clock-names = "baud", "bus";
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart0_pins>;
 			status = "disabled";
 		};
 
-		serial@11003000 {
+		uart1: serial@11003000 {
 			compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
 			reg = <0 0x11003000 0 0x100>;
 			interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
@@ -116,7 +130,7 @@
 			status = "disabled";
 		};
 
-		serial@11004000 {
+		uart2: serial@11004000 {
 			compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
 			reg = <0 0x11004000 0 0x100>;
 			interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
@@ -142,7 +156,7 @@
 			status = "disabled";
 		};
 
-		spi@11009000 {
+		spi2: spi@11009000 {
 			compatible = "mediatek,mt7981-spi-ipm", "mediatek,spi-ipm";
 			reg = <0 0x11009000 0 0x1000>;
 			interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
@@ -229,6 +243,13 @@
 			gpio-controller;
 			#gpio-cells = <2>;
 			#interrupt-cells = <2>;
+
+			uart0_pins: uart0-pins {
+				mux {
+					function = "uart";
+					groups = "uart0";
+				};
+			};
 		};
 
 		efuse@11f20000 {
@@ -237,6 +258,10 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 
+			soc-uuid@140 {
+				reg = <0x140 0x10>;
+			};
+
 			thermal_calibration: thermal-calib@274 {
 				reg = <0x274 0xc>;
 			};