修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/arch/arm/boot/dts/rv1103g-evb-mcu-display-v11.dts
..
..
@@ -91,22 +91,30 @@
91
91
 	status = "okay";
92
92
 	rockchip,data-sync-bypass;
93
93
 	pinctrl-names = "default";
94
+	/*
95
+	 * rgb3x8_pins for RGB3x8(8bit)
96
+	 * rgb565_pins for RGB565(16bit)
97
+	 */
94
98
 	pinctrl-0 = <&rgb3x8_pins>;
95
99
 
96
100
 	/*
97
101
 	 * 320x480 RGB/MCU screen K350C4516T
98
102
 	 */
99
103
 	mcu_panel: mcu-panel {
104
+		/*
105
+		 * MEDIA_BUS_FMT_RGB888_3X8  for RGB3x8(8bit)
106
+		 * MEDIA_BUS_FMT_RGB565_1X16 for RGB565(16bit)
107
+		 */
100
108
 		bus-format = <MEDIA_BUS_FMT_RGB888_3X8>;
101
109
 		backlight = <&backlight>;
102
110
 		enable-gpios = <&gpio3 RK_PC7 GPIO_ACTIVE_LOW>;
103
111
 		enable-delay-ms = <20>;
104
112
 		reset-gpios = <&gpio3 RK_PD0 GPIO_ACTIVE_LOW>;
105
-		reset-value = <0>;
106
113
 		reset-delay-ms = <10>;
107
114
 		prepare-delay-ms = <20>;
108
115
 		unprepare-delay-ms = <20>;
109
116
 		disable-delay-ms = <20>;
117
+		init-delay-ms = <10>;
110
118
 		width-mm = <217>;
111
119
 		height-mm = <136>;
112
120
 
..
..
@@ -161,20 +169,31 @@
161
169
 			  00   00  01  36
162
170
 			  01   00  01  48
163
171
 
164
-			  00   00  01  3a  //interface mode control
165
-			  01   00  01  77  //spi rgb:66(r1 r4 r5) mcu parallel: 55(r2 r3 r6)
166
-					   //                     mcu serial:   77(r1 r3 r6)
172
+			  00   00  01  3a
173
+			  01   00  01  66 /*
174
+					   * interface pixel format:
175
+					   * 66 for RGB3x8(8bit)
176
+					   * 55 for RGB565(16bit)
177
+					   */
167
178
 
168
-			  00   00  01  b0  //interface mode control
179
+			  00   00  01  b0
169
180
 			  01   00  01  00
170
181
 
171
-			  00   00  01  b1  //frame rate 70hz
172
-			  01   00  01  b0
182
+			  00   00  01  b1
183
+			  01   00  01  70 /*
184
+					   * frame rate control:
185
+					   * 70 (45hz) for RGB3x8(8bit)
186
+					   * a0 (60hz) for RGB565(16bit)
187
+					   */
173
188
 			  01   00  01  11
174
189
 			  00   00  01  b4
175
190
 			  01   00  01  02
176
-			  00   00  01  B6  //RGB/MCU Interface Control
177
-			  01   00  01  02  //02 mcu, 32 rgb
191
+			  00   00  01  B6
192
+			  01   00  01  02 /*
193
+					   * display function control:
194
+					   * 32 for RGB
195
+					   * 02 for MCU
196
+					   */
178
197
 			  01   00  01  02
179
198
 
180
199
 			  00   00  01  b7
..
..
@@ -208,7 +227,11 @@
208
227
 			native-mode = <&kd050fwfba002_timing>;
209
228
 
210
229
 			kd050fwfba002_timing: timing0 {
211
-				clock-frequency = <20000000>;
230
+				/*
231
+				 * 7840125  for frame rate 45Hz
232
+				 * 10453500 for frame rate 60Hz
233
+				 */
234
+				clock-frequency = <7840125>;
212
235
 				hactive = <320>;
213
236
 				vactive = <480>;
214
237
 				hback-porch = <10>;
..
..
@@ -267,12 +290,25 @@
267
290
 &vop {
268
291
 	status = "okay";
269
292
 
293
+	/*
294
+	 * Default config is as follows:
295
+	 *
296
+	 * mcu-pix-total = <9>;
297
+	 * mcu-cs-pst = <1>;
298
+	 * mcu-cs-pend = <8>;
299
+	 * mcu-rw-pst = <2>;
300
+	 * mcu-rw-pend = <5>;
301
+	 * mcu-hold-mode = <0>; // default set to 0
302
+	 *
303
+	 * To increase the frame rate, reduce all parameters because
304
+	 * the max dclk rate of mcu is 150M in rv1103/rv1106.
305
+	 */
270
306
 	mcu-timing {
271
-		mcu-pix-total = <9>;
307
+		mcu-pix-total = <5>;
272
308
 		mcu-cs-pst = <1>;
273
-		mcu-cs-pend = <8>;
309
+		mcu-cs-pend = <4>;
274
310
 		mcu-rw-pst = <2>;
275
-		mcu-rw-pend = <5>;
311
+		mcu-rw-pend = <3>;
276
312
 
277
313
 		mcu-hold-mode = <0>; // default set to 0
278
314
 	};