修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/arch/arm/boot/dts/rv1106-evb-ext-mcu-v10.dtsi
..
..
@@ -81,6 +81,10 @@
81
81
 	status = "okay";
82
82
 	rockchip,data-sync-bypass;
83
83
 	pinctrl-names = "default";
84
+	/*
85
+	 * rgb3x8_pins for RGB3x8(8bit)
86
+	 * rgb565_pins for RGB565(16bit)
87
+	 */
84
88
 	pinctrl-0 = <&rgb565_pins>;
85
89
 
86
90
 	/*
..
..
@@ -88,19 +92,19 @@
88
92
 	 */
89
93
 	mcu_panel: mcu-panel {
90
94
 		/*
91
-		 * MEDIA_BUS_FMT_RGB888_3X8  for serial mcu
92
-		 * MEDIA_BUS_FMT_RGB565_1X16 for parallel mcu
95
+		 * MEDIA_BUS_FMT_RGB888_3X8  for RGB3x8(8bit)
96
+		 * MEDIA_BUS_FMT_RGB565_1X16 for RGB565(16bit)
93
97
 		 */
94
98
 		bus-format = <MEDIA_BUS_FMT_RGB565_1X16>;
95
99
 		backlight = <&backlight>;
96
100
 		enable-gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_LOW>;
97
101
 		enable-delay-ms = <20>;
98
102
 		reset-gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_LOW>;
99
-		reset-value = <0>;
100
103
 		reset-delay-ms = <10>;
101
104
 		prepare-delay-ms = <20>;
102
105
 		unprepare-delay-ms = <20>;
103
106
 		disable-delay-ms = <20>;
107
+		init-delay-ms = <10>;
104
108
 		width-mm = <217>;
105
109
 		height-mm = <136>;
106
110
 
..
..
@@ -155,20 +159,31 @@
155
159
 			  00   00  01  36
156
160
 			  01   00  01  48
157
161
 
158
-			  00   00  01  3a  //interface mode control
159
-			  01   00  01  55  //spi rgb:66(r1 r4 r5) mcu parallel: 55(r2 r3 r6)
160
-					   //                     mcu serial:   77(r1 r3 r6)
162
+			  00   00  01  3a
163
+			  01   00  01  55 /*
164
+					   * interface pixel format:
165
+					   * 66 for RGB3x8(8bit)
166
+					   * 55 for RGB565(16bit)
167
+					   */
161
168
 
162
-			  00   00  01  b0  //interface mode control
169
+			  00   00  01  b0
163
170
 			  01   00  01  00
164
171
 
165
-			  00   00  01  b1  //frame rate 70hz
166
-			  01   00  01  b0
172
+			  00   00  01  b1
173
+			  01   00  01  a0 /*
174
+					   * frame rate control:
175
+					   * 70 (45hz) for RGB3x8(8bit)
176
+					   * a0 (60hz) for RGB565(16bit)
177
+					   */
167
178
 			  01   00  01  11
168
179
 			  00   00  01  b4
169
180
 			  01   00  01  02
170
-			  00   00  01  B6  //RGB/MCU Interface Control
171
-			  01   00  01  02  //02 mcu, 32 rgb
181
+			  00   00  01  B6
182
+			  01   00  01  02 /*
183
+					   * display function control:
184
+					   * 32 for RGB
185
+					   * 02 for MCU
186
+					   */
172
187
 			  01   00  01  02
173
188
 
174
189
 			  00   00  01  b7
..
..
@@ -202,7 +217,11 @@
202
217
 			native-mode = <&kd050fwfba002_timing>;
203
218
 
204
219
 			kd050fwfba002_timing: timing0 {
205
-				clock-frequency = <20000000>;
220
+				/*
221
+				 * 7840125  for frame rate 45Hz
222
+				 * 10453500 for frame rate 60Hz
223
+				 */
224
+				clock-frequency = <10453500>;
206
225
 				hactive = <320>;
207
226
 				vactive = <480>;
208
227
 				hback-porch = <10>;
..
..
@@ -261,12 +280,25 @@
261
280
 &vop {
262
281
 	status = "okay";
263
282
 
283
+	/*
284
+	 * Default config is as follows:
285
+	 *
286
+	 * mcu-pix-total = <9>;
287
+	 * mcu-cs-pst = <1>;
288
+	 * mcu-cs-pend = <8>;
289
+	 * mcu-rw-pst = <2>;
290
+	 * mcu-rw-pend = <5>;
291
+	 * mcu-hold-mode = <0>; // default set to 0
292
+	 *
293
+	 * To increase the frame rate, reduce all parameters because
294
+	 * the max dclk rate of mcu is 150M in rv1103/rv1106.
295
+	 */
264
296
 	mcu-timing {
265
-		mcu-pix-total = <9>;
297
+		mcu-pix-total = <5>;
266
298
 		mcu-cs-pst = <1>;
267
-		mcu-cs-pend = <8>;
299
+		mcu-cs-pend = <4>;
268
300
 		mcu-rw-pst = <2>;
269
-		mcu-rw-pend = <5>;
301
+		mcu-rw-pend = <3>;
270
302
 
271
303
 		mcu-hold-mode = <0>; // default set to 0
272
304
 	};