diff --git a/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts
index 45a56d4a5aeb..7ccc25c33fb2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-ebook-color-v10.dts
@@ -30,7 +30,20 @@
 	panel,fel = <16>;
 	panel,mirror = <0>;
 	panel,panel_16bit = <1>;
-	panel,panel_color = <1>;
+
+	//panel_color defined for user space
+	//grayscale screen
+	//RKCFA_PLAT_COMMON   = 0,
+	//corlor screen
+	//RKCFA_PLAT_EC060KC1 = 1,
+	//RKCFA_PLAT_EC060KH3 = 2,
+	//RKCFA_PLAT_EC060KH4 = 3,
+	//RKCFA_PLAT_EC070KC1 = 4,
+	//RKCFA_PLAT_EC078KH3 = 5,
+	//RKCFA_PLAT_EC078KH6 = 6,
+	//RKCFA_PLAT_EC103KH3 = 7,
+	panel,panel_color = <7>;
+
 	panel,sdoe_mode = <1>;
 	panel,sdce_width = <1>;
 	panel,width-mm = <166>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-test1-v10-eink.dts b/arch/arm64/boot/dts/rockchip/rk3576-test1-v10-eink.dts
index 24afd925dcb0..379fdd519f95 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-test1-v10-eink.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-test1-v10-eink.dts
@@ -80,7 +80,20 @@
 		panel,fel = <16>;
 		panel,mirror = <0>;
 		panel,panel_16bit = <1>;
-		panel,panel_color = <1>;
+
+		//panel_color defined for user space
+		//grayscale screen
+		//RKCFA_PLAT_COMMON   = 0,
+		//corlor screen
+		//RKCFA_PLAT_EC060KC1 = 1,
+		//RKCFA_PLAT_EC060KH3 = 2,
+		//RKCFA_PLAT_EC060KH4 = 3,
+		//RKCFA_PLAT_EC070KC1 = 4,
+		//RKCFA_PLAT_EC078KH3 = 5,
+		//RKCFA_PLAT_EC078KH6 = 6,
+		//RKCFA_PLAT_EC103KH3 = 7,
+		panel,panel_color = <7>;
+
 		panel,sdoe_mode = <1>;
 		panel,sdce_width = <1>;
 		panel,width-mm = <166>;