diff --git a/arch/arm64/boot/dts/amlogic/overlays/meson-g12-pwmao-c.dts b/arch/arm64/boot/dts/amlogic/overlays/meson-g12-pwmao-c.dts
index c61ca710..eb49e948 100644
--- a/arch/arm64/boot/dts/amlogic/overlays/meson-g12-pwmao-c.dts
+++ b/arch/arm64/boot/dts/amlogic/overlays/meson-g12-pwmao-c.dts
@@ -7,7 +7,7 @@
 		compatible = "radxa,zero";
 		category = "misc";
 		exclusive = "pwm_AO_cd", "GPIOAO_4";
-		description = "Enable PWMAO-C on GPIOAO_4.\nOn Radxa Zero this is pin 32.";
+		description = "Enable PWMAO-C on GPIOAO_4.\nOn Radxa ZERO this is pin 32.";
 	};
 };
 
diff --git a/arch/arm64/boot/dts/amlogic/overlays/meson-g12-uart-ao-b-89.dts b/arch/arm64/boot/dts/amlogic/overlays/meson-g12-uart-ao-b-89.dts
index cbead21e..65e20486 100644
--- a/arch/arm64/boot/dts/amlogic/overlays/meson-g12-uart-ao-b-89.dts
+++ b/arch/arm64/boot/dts/amlogic/overlays/meson-g12-uart-ao-b-89.dts
@@ -6,9 +6,9 @@
 / {
 	metadata {
 		title = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9";
-		compatible = "radxa,zero", "radxa,zero2";
+		compatible = "radxa,zero2";
 		category = "misc";
 		exclusive = "uart_AO_B", "GPIOAO_8", "GPIOAO_9";
-		description = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9.\nOn Radxa Zero this is TX pin 35 & RX pin 37.\nOn Radxa ZERO 2 PRO this is TX 33 & RX 37.\nGPIOAO_8 need to be enabled for hardware version 1.51 and later.";
+		description = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9.\nOn Radxa ZERO 2 PRO this is TX pin 33 & RX pin 37.";
 	};
 };
diff --git a/arch/arm64/boot/dts/amlogic/overlays/radxa-zero-uart-ao-b-89-v1-51.dts b/arch/arm64/boot/dts/amlogic/overlays/radxa-zero-uart-ao-b-89-v1-51.dts
index 6c1b9a2c..5e9d5da7 100644
--- a/arch/arm64/boot/dts/amlogic/overlays/radxa-zero-uart-ao-b-89-v1-51.dts
+++ b/arch/arm64/boot/dts/amlogic/overlays/radxa-zero-uart-ao-b-89-v1-51.dts
@@ -6,10 +6,10 @@
 
 / {
 	metadata {
-		title = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9";
+		title = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9 ( >= v1.51)";
 		compatible = "radxa,zero";
 		category = "misc";
-		exclusive = "uart_AO_B", "GPIOAO_8", "GPIOAO_9";
-		description = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9.\nOn Radxa Zero this is TX pin 35 & RX pin 37.\nThis applies to V1.51 and later.";
+		exclusive = "uart_AO_B", "GPIOAO_8", "GPIOAO_9", "led_power";
+		description = "Enable UART_AO-B on GPIOAO_8 and GPIOAO_9 ( >= v1.51).\nOn Radxa ZERO this is TX pin 35 & RX pin 37.\nFor Radxa ZERO, GPIOAO_8 is only available since v1.51.";
 	};
 };