Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (C) 2019 Logic PD, Inc.

/ {
	keyboard {
		compatible = "gpio-keys";

		button-0 {
			gpios = <&pcf8575 0 GPIO_ACTIVE_LOW>;
			label = "btn0";
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			wakeup-source;
		};

		button-1 {
			gpios = <&pcf8575 1 GPIO_ACTIVE_LOW>;
			label = "btn1";
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			wakeup-source;
		};

		button-2 {
			gpios = <&pcf8575 2 GPIO_ACTIVE_LOW>;
			label = "btn2";
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			wakeup-source;
		};

		button-3 {
			gpios = <&pcf8575 3 GPIO_ACTIVE_LOW>;
			label = "btn3";
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			wakeup-source;
		};

	};

	leds {
		compatible = "gpio-leds";

		gen-led0 {
			label = "led0";
			pinctrl-names = "default";
			pinctrl-0 = <&pinctrl_led0>;
			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "cpu0";
		};

		gen-led1 {
			label = "led1";
			gpios = <&pcf8575 8 GPIO_ACTIVE_HIGH>;
		};

		gen-led2 {
			label = "led2";
			gpios = <&pcf8575 9 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		gen-led3 {
			label = "led3";
			gpios = <&pcf8575 10 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};
	};

	reg_usb_otg_vbus: regulator-otg-vbus {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb_otg>;
		compatible = "regulator-fixed";
		regulator-name = "usb_otg_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_usb_h1_vbus: regulator-usb-h1-vbus {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usb_h1_vbus>;
		compatible = "regulator-fixed";
		regulator-name = "usb_h1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>;
		startup-delay-us = <70000>;
		enable-active-high;
	};

	reg_3v3: regulator-3v3 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_3v3>;
		compatible = "regulator-fixed";
		regulator-name = "reg_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 26 GPIO_ACTIVE_HIGH>;
		startup-delay-us = <70000>;
		enable-active-high;
		regulator-always-on;
	};

	reg_enet: regulator-ethernet {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_enet>;
		compatible = "regulator-fixed";
		regulator-name = "ethernet-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio3 31 GPIO_ACTIVE_HIGH>;
		startup-delay-us = <70000>;
		enable-active-high;
		vin-supply = <&sw4_reg>;
	};

	reg_audio: regulator-audio {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_audio>;
		compatible = "regulator-fixed";
		regulator-name = "3v3_aud";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		vin-supply = <&reg_3v3>;
	};

	reg_hdmi: regulator-hdmi {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_hdmi>;
		compatible = "regulator-fixed";
		regulator-name = "hdmi-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio3 20 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		vin-supply = <&reg_3v3>;
	};

	reg_uart3: regulator-uart3 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_uart3>;
		compatible = "regulator-fixed";
		regulator-name = "uart3-supply";
		gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_3v3>;
	};

	reg_1v8: regulator-1v8 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_1v8>;
		compatible = "regulator-fixed";
		regulator-name = "1v8-supply";
		gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_3v3>;
	};

	reg_pcie: regulator-pcie {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_pcie>;
		regulator-name = "mpcie_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_mipi: regulator-mipi {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_mipi>;
		regulator-name = "mipi_pwr_en";
		regulator-min-microvolt = <2800000>;
		regulator-max-microvolt = <2800000>;
		gpio = <&gpio3 19 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	sound {
		compatible = "fsl,imx-audio-wm8962";
		model = "wm8962-audio";
		ssi-controller = <&ssi2>;
		audio-codec = <&wm8962>;
		audio-routing =
			"Headphone Jack", "HPOUTL",
			"Headphone Jack", "HPOUTR",
			"Ext Spk", "SPKOUTL",
			"Ext Spk", "SPKOUTR",
			"AMIC", "MICBIAS",
			"IN3R", "AMIC";
		mux-int-port = <2>;
		mux-ext-port = <4>;
	};
};

&audmux {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_audmux>;
	status = "okay";
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>;
	status = "disabled";
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_enet>;
	phy-mode = "rgmii-id";
	phy-reset-duration = <10>;
	phy-reset-gpios = <&gpio1 24 GPIO_ACTIVE_LOW>;
	phy-supply = <&reg_enet>;
	interrupt-parent = <&gpio1>;
	interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
	status = "okay";
};

&i2c1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	clock-frequency = <400000>;
	status = "okay";

	wm8962: audio-codec@1a {
		compatible = "wlf,wm8962";
		reg = <0x1a>;
		clocks = <&clks IMX6QDL_CLK_CKO>;
		DCVDD-supply = <&reg_audio>;
		DBVDD-supply = <&reg_audio>;
		AVDD-supply = <&reg_audio>;
		CPVDD-supply = <&reg_audio>;
		MICVDD-supply = <&reg_audio>;
		PLLVDD-supply = <&reg_audio>;
		SPKVDD1-supply = <&reg_audio>;
		SPKVDD2-supply = <&reg_audio>;
		gpio-cfg = <
			0x0000 /* 0:Default */
			0x0000 /* 1:Default */
			0x0000 /* 2:FN_DMICCLK */
			0x0000 /* 3:Default */
			0x0000 /* 4:FN_DMICCDAT */
			0x0000 /* 5:Default */
		>;
	};
};

&i2c3 {
	ov5640: camera@10 {
		compatible = "ovti,ov5640";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_ov5640>;
		reg = <0x10>;
		clocks = <&clks IMX6QDL_CLK_CKO>;
		clock-names = "xclk";
		DOVDD-supply = <&reg_mipi>;
		AVDD-supply = <&reg_mipi>;
		DVDD-supply = <&reg_mipi>;
		reset-gpios = <&gpio3 26 GPIO_ACTIVE_LOW>;
		powerdown-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>;

		port {
			ov5640_to_mipi_csi2: endpoint {
				remote-endpoint = <&mipi_csi2_in>;
				clock-lanes = <0>;
				data-lanes = <1 2>;
			};
		};
	};

	pcf8575: gpio@20 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pcf8574>;
		compatible = "nxp,pcf8575";
		reg = <0x20>;
		interrupt-parent = <&gpio6>;
		interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-controller;
		#interrupt-cells = <2>;
		lines-initial-states = <0x0710>;
		wakeup-source;
	};
};

&ipu1_csi1_from_mipi_vc1 {
	clock-lanes = <0>;
	data-lanes = <1 2>;
};

&mipi_csi {
	status = "okay";

	port@0 {
		reg = <0>;

		mipi_csi2_in: endpoint {
			remote-endpoint = <&ov5640_to_mipi_csi2>;
			clock-lanes = <0>;
			data-lanes = <1 2>;
		};
	};
};

&pcie {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pcie>;
	reset-gpio = <&gpio1 9 GPIO_ACTIVE_LOW>;
	vpcie-supply = <&reg_pcie>;
	status = "okay";
};

&pwm3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm3>;
};

&snvs_pwrkey {
	status = "okay";
};

&ssi2 {
	status = "okay";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

&usbh1 {
	vbus-supply = <&reg_usb_h1_vbus>;
	status = "okay";
};

&usbotg {
	vbus-supply = <&reg_usb_otg_vbus>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbotg>;
	disable-over-current;
	dr_mode = "otg";
	status = "okay";
};

&usdhc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc2>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
	vmmc-supply = <&reg_3v3>;
	no-1-8-v;
	keep-power-in-suspend;
	cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&iomuxc {
	pinctrl_audmux: audmuxgrp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT20__AUD4_TXC  0x130b0
			MX6QDL_PAD_DISP0_DAT21__AUD4_TXD  0x110b0
			MX6QDL_PAD_DISP0_DAT22__AUD4_TXFS 0x130b0
			MX6QDL_PAD_DISP0_DAT23__AUD4_RXD  0x130b0
		>;
	};

	pinctrl_ecspi1: ecspi1grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL0__ECSPI1_SCLK	0x100b1
			MX6QDL_PAD_KEY_ROW0__ECSPI1_MOSI	0x100b1
			MX6QDL_PAD_KEY_COL1__ECSPI1_MISO	0x100b1
			MX6QDL_PAD_KEY_ROW1__GPIO4_IO09		0x1b0b0
		>;
	};

	pinctrl_enet: enetgrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b8b0
			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
			MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b030
			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b030
			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b030
			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b030
			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b030
			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x100b0
			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b030
			MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0x4001b0a8
			MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b030
			MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x13030
			MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x13030
			MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b030
			MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b030
			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x13030
			MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25	0x1b0b0	/* ENET_INT */
			MX6QDL_PAD_ENET_RX_ER__GPIO1_IO24	0x1b0b0	/* ETHR_nRST */
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D21__I2C1_SCL	0x4001b8b1
			MX6QDL_PAD_EIM_D28__I2C1_SDA	0x4001b8b1
		>;
	};

	pinctrl_led0: led0grp {
	    fsl,pins = <
		MX6QDL_PAD_ENET_TXD0__GPIO1_IO30	0x1b0b0
	    >;
	};

	pinctrl_ov5640: ov5640grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D26__GPIO3_IO26	0x1b0b1
			MX6QDL_PAD_EIM_D27__GPIO3_IO27	0x1b0b1
		>;
	};

	pinctrl_pcf8574: pcf8575grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0x1b0b0
		>;
	};

	pinctrl_pcie: pciegrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_8__GPIO1_IO08 0x1b0b0
			MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0
		>;
	};

	pinctrl_pwm3: pwm3grp {
	    fsl,pins = <
		MX6QDL_PAD_SD4_DAT1__PWM3_OUT		0x1b0b1
	    >;
	};

	pinctrl_reg_1v8: reg1v8grp {
	    fsl,pins = <
		MX6QDL_PAD_EIM_D30__GPIO3_IO30		0x1b0b0
	    >;
	};

	pinctrl_reg_3v3: reg3v3grp {
	    fsl,pins = <
		MX6QDL_PAD_ENET_RXD1__GPIO1_IO26	0x1b0b0
	    >;
	};

	pinctrl_reg_audio: reg-audiogrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x1b0b0
		>;
	};

	pinctrl_reg_enet: reg-enetgrp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D31__GPIO3_IO31	0x1b0b0
		>;
	};

	pinctrl_reg_hdmi: reg-hdmigrp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D20__GPIO3_IO20	0x1b0b0
		>;
	};

	pinctrl_reg_mipi: reg-mipigrp {
		fsl,pins = <MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x1b0b1>;
	};

	pinctrl_reg_pcie: reg-pciegrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_2__GPIO1_IO02	0x1b0b0
			>;
	};

	pinctrl_reg_uart3: reguart3grp {
	    fsl,pins = <
		MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28	0x1b0b0
	    >;
	};

	pinctrl_reg_usb_h1_vbus: usbh1grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_17__GPIO7_IO12		0x1b0b0
		>;
	};

	pinctrl_reg_usb_otg: reg-usb-otggrp {
		fsl,pins = <
			MX6QDL_PAD_KEY_ROW4__GPIO4_IO15		0x1b0b0
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D23__UART3_CTS_B		0x1b0b1
			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_EB3__UART3_RTS_B		0x1b0b1
		>;
	};

	pinctrl_usbotg: usbotggrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_1__USB_OTG_ID	0xd17059
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x1b0b0	/* CD */
			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x17069
			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x10069
			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x17069
			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x17069
			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x17069
			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x17069
		>;
	};

	pinctrl_usdhc2_100mhz: h100-usdhc2-100mhz {
		fsl,pins = <
			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x1b0b0	/* CD */
			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x170b9
			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x100b9
			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x170b9
			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x170b9
			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x170b9
			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x170b9
		>;
	};

	pinctrl_usdhc2_200mhz: h100-usdhc2-200mhz {
		fsl,pins = <
			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x1b0b0	/* CD */
			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x170f9
			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x100f9
			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x170f9
			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x170f9
			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x170f9
			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x170f9
		>;
	};

};