修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
..
..
@@ -46,6 +46,8 @@
46
46
  */
47
47
 
48
48
 #include <dt-bindings/gpio/gpio.h>
49
+#include <dt-bindings/input/linux-event-codes.h>
50
+#include <dt-bindings/interrupt-controller/irq.h>
49
51
 
50
52
 / {
51
53
 	/* these are used by bootloader for disabling nodes */
..
..
@@ -66,6 +68,53 @@
66
68
 		pwms = <&pwm4 0 5000000>;
67
69
 		brightness-levels = <0 4 8 16 32 64 128 255>;
68
70
 		default-brightness-level = <7>;
71
+	};
72
+
73
+	gpio-keys {
74
+		compatible = "gpio-keys";
75
+		#address-cells = <1>;
76
+		#size-cells = <0>;
77
+
78
+		user-pb {
79
+			label = "user_pb";
80
+			gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
81
+			linux,code = <BTN_0>;
82
+		};
83
+
84
+		user-pb1x {
85
+			label = "user_pb1x";
86
+			linux,code = <BTN_1>;
87
+			interrupt-parent = <&gsc>;
88
+			interrupts = <0>;
89
+		};
90
+
91
+		key-erased {
92
+			label = "key-erased";
93
+			linux,code = <BTN_2>;
94
+			interrupt-parent = <&gsc>;
95
+			interrupts = <1>;
96
+		};
97
+
98
+		eeprom-wp {
99
+			label = "eeprom_wp";
100
+			linux,code = <BTN_3>;
101
+			interrupt-parent = <&gsc>;
102
+			interrupts = <2>;
103
+		};
104
+
105
+		tamper {
106
+			label = "tamper";
107
+			linux,code = <BTN_4>;
108
+			interrupt-parent = <&gsc>;
109
+			interrupts = <5>;
110
+		};
111
+
112
+		switch-hold {
113
+			label = "switch_hold";
114
+			linux,code = <BTN_5>;
115
+			interrupt-parent = <&gsc>;
116
+			interrupts = <7>;
117
+		};
69
118
 	};
70
119
 
71
120
 	leds {
..
..
@@ -94,6 +143,7 @@
94
143
 	};
95
144
 
96
145
 	memory@10000000 {
146
+		device_type = "memory";
97
147
 		reg = <0x10000000 0x40000000>;
98
148
 	};
99
149
 
..
..
@@ -204,11 +254,101 @@
204
254
 	pinctrl-0 = <&pinctrl_i2c1>;
205
255
 	status = "okay";
206
256
 
207
-	pca9555: gpio@23 {
257
+	gsc: gsc@20 {
258
+		compatible = "gw,gsc";
259
+		reg = <0x20>;
260
+		interrupt-parent = <&gpio1>;
261
+		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
262
+		interrupt-controller;
263
+		#interrupt-cells = <1>;
264
+		#size-cells = <0>;
265
+
266
+		adc {
267
+			compatible = "gw,gsc-adc";
268
+			#address-cells = <1>;
269
+			#size-cells = <0>;
270
+
271
+			channel@0 {
272
+				gw,mode = <0>;
273
+				reg = <0x00>;
274
+				label = "temp";
275
+			};
276
+
277
+			channel@2 {
278
+				gw,mode = <1>;
279
+				reg = <0x02>;
280
+				label = "vdd_vin";
281
+			};
282
+
283
+			channel@5 {
284
+				gw,mode = <1>;
285
+				reg = <0x05>;
286
+				label = "vdd_3p3";
287
+			};
288
+
289
+			channel@8 {
290
+				gw,mode = <1>;
291
+				reg = <0x08>;
292
+				label = "vdd_bat";
293
+			};
294
+
295
+			channel@b {
296
+				gw,mode = <1>;
297
+				reg = <0x0b>;
298
+				label = "vdd_5p0";
299
+			};
300
+
301
+			channel@e {
302
+				gw,mode = <1>;
303
+				reg = <0xe>;
304
+				label = "vdd_arm";
305
+			};
306
+
307
+			channel@11 {
308
+				gw,mode = <1>;
309
+				reg = <0x11>;
310
+				label = "vdd_soc";
311
+			};
312
+
313
+			channel@14 {
314
+				gw,mode = <1>;
315
+				reg = <0x14>;
316
+				label = "vdd_3p0";
317
+			};
318
+
319
+			channel@17 {
320
+				gw,mode = <1>;
321
+				reg = <0x17>;
322
+				label = "vdd_1p5";
323
+			};
324
+
325
+			channel@1d {
326
+				gw,mode = <1>;
327
+				reg = <0x1d>;
328
+				label = "vdd_1p8";
329
+			};
330
+
331
+			channel@20 {
332
+				gw,mode = <1>;
333
+				reg = <0x20>;
334
+				label = "vdd_an1";
335
+			};
336
+
337
+			channel@23 {
338
+				gw,mode = <1>;
339
+				reg = <0x23>;
340
+				label = "vdd_2p5";
341
+			};
342
+		};
343
+	};
344
+
345
+	gsc_gpio: gpio@23 {
208
346
 		compatible = "nxp,pca9555";
209
347
 		reg = <0x23>;
210
348
 		gpio-controller;
211
349
 		#gpio-cells = <2>;
350
+		interrupt-parent = <&gsc>;
351
+		interrupts = <4>;
212
352
 	};
213
353
 
214
354
 	eeprom1: eeprom@50 {
..
..
@@ -246,6 +386,15 @@
246
386
 	pinctrl-names = "default";
247
387
 	pinctrl-0 = <&pinctrl_i2c2>;
248
388
 	status = "okay";
389
+
390
+	magn@1c {
391
+		compatible = "st,lsm9ds1-magn";
392
+		reg = <0x1c>;
393
+		pinctrl-names = "default";
394
+		pinctrl-0 = <&pinctrl_mag>;
395
+		interrupt-parent = <&gpio5>;
396
+		interrupts = <17 IRQ_TYPE_EDGE_RISING>;
397
+	};
249
398
 
250
399
 	ltc3676: pmic@3c {
251
400
 		compatible = "lltc,ltc3676";
..
..
@@ -319,6 +468,16 @@
319
468
 			};
320
469
 		};
321
470
 	};
471
+
472
+	imu@6a {
473
+		compatible = "st,lsm9ds1-imu";
474
+		reg = <0x6a>;
475
+		st,drdy-int-pin = <1>;
476
+		pinctrl-names = "default";
477
+		pinctrl-0 = <&pinctrl_imu>;
478
+		interrupt-parent = <&gpio4>;
479
+		interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
480
+	};
322
481
 };
323
482
 
324
483
 &i2c3 {
..
..
@@ -381,6 +540,7 @@
381
540
 };
382
541
 
383
542
 &pwm4 {
543
+	#pwm-cells = <2>;
384
544
 	pinctrl-names = "default";
385
545
 	pinctrl-0 = <&pinctrl_pwm4>;
386
546
 	status = "okay";
..
..
@@ -483,6 +643,7 @@
483
643
 		fsl,pins = <
484
644
 			MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
485
645
 			MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
646
+			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x0001b0b0 /* GSC_IRQ# */
486
647
 		>;
487
648
 	};
488
649
 
..
..
@@ -500,6 +661,18 @@
500
661
 		>;
501
662
 	};
502
663
 
664
+	pinctrl_imu: imugrp {
665
+		fsl,pins = <
666
+			MX6QDL_PAD_DI0_PIN2__GPIO4_IO18		0x1b0b0
667
+		>;
668
+	};
669
+
670
+	pinctrl_mag: maggrp {
671
+		fsl,pins = <
672
+			MX6QDL_PAD_DISP0_DAT23__GPIO5_IO17	0x1b0b0
673
+		>;
674
+	};
675
+
503
676
 	pinctrl_pcie: pciegrp {
504
677
 		fsl,pins = <
505
678
 			MX6QDL_PAD_GPIO_0__GPIO1_IO00	0x1b0b0 /* PCIE RST */