kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/arm/boot/dts/rv1103g-evb-mcu-display-v11.dts
..
..
@@ -91,22 +91,30 @@
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 	status = "okay";
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 	rockchip,data-sync-bypass;
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 	pinctrl-names = "default";
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+	/*
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+	 * rgb3x8_pins for RGB3x8(8bit)
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+	 * rgb565_pins for RGB565(16bit)
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+	 */
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 	pinctrl-0 = <&rgb3x8_pins>;
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 	/*
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 	 * 320x480 RGB/MCU screen K350C4516T
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 	 */
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 	mcu_panel: mcu-panel {
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+		/*
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+		 * MEDIA_BUS_FMT_RGB888_3X8  for RGB3x8(8bit)
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+		 * MEDIA_BUS_FMT_RGB565_1X16 for RGB565(16bit)
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+		 */
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 		bus-format = <MEDIA_BUS_FMT_RGB888_3X8>;
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 		backlight = <&backlight>;
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 		enable-gpios = <&gpio3 RK_PC7 GPIO_ACTIVE_LOW>;
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 		enable-delay-ms = <20>;
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 		reset-gpios = <&gpio3 RK_PD0 GPIO_ACTIVE_LOW>;
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-		reset-value = <0>;
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 		reset-delay-ms = <10>;
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 		prepare-delay-ms = <20>;
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 		unprepare-delay-ms = <20>;
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 		disable-delay-ms = <20>;
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+		init-delay-ms = <10>;
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 		width-mm = <217>;
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 		height-mm = <136>;
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..
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@@ -161,20 +169,31 @@
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 			  00   00  01  36
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 			  01   00  01  48
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-			  00   00  01  3a  //interface mode control
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-			  01   00  01  77  //spi rgb:66(r1 r4 r5) mcu parallel: 55(r2 r3 r6)
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-					   //                     mcu serial:   77(r1 r3 r6)
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+			  00   00  01  3a
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+			  01   00  01  66 /*
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+					   * interface pixel format:
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+					   * 66 for RGB3x8(8bit)
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+					   * 55 for RGB565(16bit)
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+					   */
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-			  00   00  01  b0  //interface mode control
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+			  00   00  01  b0
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 			  01   00  01  00
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-			  00   00  01  b1  //frame rate 70hz
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-			  01   00  01  b0
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+			  00   00  01  b1
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+			  01   00  01  70 /*
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+					   * frame rate control:
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+					   * 70 (45hz) for RGB3x8(8bit)
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+					   * a0 (60hz) for RGB565(16bit)
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+					   */
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 			  01   00  01  11
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 			  00   00  01  b4
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 			  01   00  01  02
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-			  00   00  01  B6  //RGB/MCU Interface Control
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-			  01   00  01  02  //02 mcu, 32 rgb
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+			  00   00  01  B6
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+			  01   00  01  02 /*
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+					   * display function control:
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+					   * 32 for RGB
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+					   * 02 for MCU
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+					   */
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 			  01   00  01  02
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 			  00   00  01  b7
..
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@@ -208,7 +227,11 @@
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 			native-mode = <&kd050fwfba002_timing>;
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 			kd050fwfba002_timing: timing0 {
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-				clock-frequency = <20000000>;
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+				/*
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+				 * 7840125  for frame rate 45Hz
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+				 * 10453500 for frame rate 60Hz
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+				 */
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+				clock-frequency = <7840125>;
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 				hactive = <320>;
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 				vactive = <480>;
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 				hback-porch = <10>;
..
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@@ -267,12 +290,25 @@
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 &vop {
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 	status = "okay";
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+	/*
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+	 * Default config is as follows:
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+	 *
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+	 * mcu-pix-total = <9>;
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+	 * mcu-cs-pst = <1>;
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+	 * mcu-cs-pend = <8>;
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+	 * mcu-rw-pst = <2>;
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+	 * mcu-rw-pend = <5>;
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+	 * mcu-hold-mode = <0>; // default set to 0
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+	 *
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+	 * To increase the frame rate, reduce all parameters because
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+	 * the max dclk rate of mcu is 150M in rv1103/rv1106.
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+	 */
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 	mcu-timing {
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-		mcu-pix-total = <9>;
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+		mcu-pix-total = <5>;
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 		mcu-cs-pst = <1>;
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-		mcu-cs-pend = <8>;
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+		mcu-cs-pend = <4>;
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 		mcu-rw-pst = <2>;
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-		mcu-rw-pend = <5>;
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+		mcu-rw-pend = <3>;
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 		mcu-hold-mode = <0>; // default set to 0
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 	};