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
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2024 Linumiz
 * Author: Parthiban <parthiban@linumiz.com>
 */

#include <dt-bindings/gpio/gpio.h>

/ {
	chosen {
		stdout-path = &uart1;
	};

	gpio_buttons: gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_button>;

		button-0 {
			gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
			label = "SW2";
			linux,code = <KEY_A>;
			wakeup-source;
		};
	};

	gpio-leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;

		led-blue {
			gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
			label = "LED_B";
			linux,default-trigger = "heartbeat";
			default-state = "on";
		};

		led-green {
			gpios = <&gpio4 20 GPIO_ACTIVE_LOW>;
			label = "LED_G";
			linux,default-trigger = "heartbeat";
			default-state = "on";
		};

		led-red {
			gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
			label = "LED_R";
			linux,default-trigger = "heartbeat";
			default-state = "on";
		};

		led-user {
			gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
			label = "User";
			linux,default-trigger = "heartbeat";
			default-state = "on";
		};
	};

	reg_5v_sys: regulator-5v-sys {
		compatible = "regulator-fixed";
		regulator-name = "5V_SYS";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};

	reg_5v: regulator-5v {
		compatible = "regulator-fixed";
		regulator-name = "5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		vin-supply = <&reg_5v_sys>;
	};

	reg_3v3_in: regulator-3v3-in {
		compatible = "regulator-fixed";
		regulator-name = "3V3_IN";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		vin-supply = <&reg_5v_sys>;
	};

	reg_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		vin-supply = <&reg_3v3_in>;
	};

	reg_sd1_vmmc: regulator-sd1-vmmc {
		compatible = "regulator-fixed";
		regulator-name = "3V3_SD";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_vmmc>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_3v3>;
	};
};

&csi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_csi1>;
	status = "disabled"; /* LED Blue & Green shared */
};

&fec1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_enet1>;
	phy-mode = "rmii";
	phy-handle = <&ethphy0>;
	status = "okay";
};

&fec2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_enet2>;
	phy-mode = "rmii";
	phy-handle = <&ethphy1>;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy0: ethernet-phy@2 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <2>;
			micrel,led-mode = <1>;
			clocks = <&clks IMX6UL_CLK_ENET_REF>;
			clock-names = "rmii-ref";
		};

		ethphy1: ethernet-phy@1 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <1>;
			micrel,led-mode = <1>;
			clocks = <&clks IMX6UL_CLK_ENET2_REF>;
			clock-names = "rmii-ref";
		};
	};
};

&lcdif {
	pinctrl-0 = <&pinctrl_lcdif>;
	pinctrl-names = "default";
	status = "disabled";
};

&reg_dcdc_3v3 {
	vin-supply = <&reg_3v3_in>;
};

&sai2 {
	assigned-clock-rates = <320000000>;
	assigned-clocks = <&clks IMX6UL_CLK_PLL3_PFD2>;
	pinctrl-0 = <&pinctrl_sai2>;
	pinctrl-names = "default";
	status = "okay";
};

&snvs_poweroff {
	status = "okay";
};

&uart1 {
	pinctrl-0 = <&pinctrl_uart1>;
	status = "okay";
};

&uart2 {
	pinctrl-0 = <&pinctrl_uart2>;
	uart-has-rtscts;
	status = "okay";
};

&uart3 {
	pinctrl-0 = <&pinctrl_uart3>;
	uart-has-rtscts;
	status = "okay";
};

&uart4 {
	pinctrl-0 = <&pinctrl_uart4>;
	status = "okay";
};

&uart5 {
	pinctrl-0 = <&pinctrl_uart5>;
	status = "okay";
};

&usbotg1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usb_otg1_id>;
	dr_mode = "otg";
	srp-disable;
	hnp-disable;
	adp-disable;
	status = "okay";
};

&usbotg2 {
	dr_mode = "host";
	disable-over-current;
	status = "okay";
};

&usdhc1 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_usdhc1_cd>;
	pinctrl-1 = <&pinctrl_usdhc1_100mhz &pinctrl_usdhc1_cd>;
	pinctrl-2 = <&pinctrl_usdhc1_200mhz &pinctrl_usdhc1_cd>;
	cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
	no-1-8-v;
	keep-power-in-suspend;
	wakeup-source;
	vmmc-supply = <&reg_sd1_vmmc>;
	status = "okay";
};

&iomuxc {
	pinctrl_button: buttongrp {
		fsl,pins = <
			MX6ULL_PAD_SNVS_TAMPER1__GPIO5_IO01	0x0b0b0
		>;
	};

	pinctrl_csi1: csi1grp {
		fsl,pins = <
			MX6UL_PAD_CSI_PIXCLK__CSI_PIXCLK	0x1b088
			MX6UL_PAD_CSI_VSYNC__CSI_VSYNC		0x1b088
			MX6UL_PAD_CSI_HSYNC__CSI_HSYNC		0x1b088
			MX6UL_PAD_CSI_DATA00__CSI_DATA02	0x1b088
			MX6UL_PAD_CSI_DATA01__CSI_DATA03	0x1b088
			MX6UL_PAD_CSI_DATA02__CSI_DATA04	0x1b088
			MX6UL_PAD_CSI_DATA03__CSI_DATA05	0x1b088
			MX6UL_PAD_CSI_DATA04__CSI_DATA06	0x1b088
			MX6UL_PAD_CSI_DATA05__CSI_DATA07	0x1b088
			MX6UL_PAD_CSI_DATA06__CSI_DATA08	0x1b088
			MX6UL_PAD_CSI_DATA07__CSI_DATA09	0x1b088
		>;
	};

	pinctrl_enet1: enet1grp {
		fsl,pins = <
			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN      0x1b0b0
			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER      0x1b0b0
			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN      0x1b0b0
			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1  0x4001b031
		>;
	};

	pinctrl_enet2: enet2grp {
		fsl,pins = <
			MX6UL_PAD_GPIO1_IO07__ENET2_MDC         0x1b0b0
			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO        0x1b0b0
			MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN      0x1b0b0
			MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER      0x1b0b0
			MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
			MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
			MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN      0x1b0b0
			MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
			MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
			MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2  0x4001b031
		>;
	};

	pinctrl_gpio_leds: ledgrp {
		fsl,pins = <
			MX6UL_PAD_GPIO1_IO04__GPIO1_IO04	0x0b0b0
			MX6UL_PAD_CSI_VSYNC__GPIO4_IO19		0x0b0b0
			MX6UL_PAD_CSI_HSYNC__GPIO4_IO20		0x0b0b0
			MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03	0x0b0b0
		>;
	};

	pinctrl_lcdif: lcdif-grp {
		fsl,pins = <
			MX6UL_PAD_LCD_CLK__LCDIF_CLK		0x79
			MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE	0x79
			MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC	0x79
			MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC	0x79
			MX6UL_PAD_LCD_RESET__LCDIF_RESET	0x79
			MX6UL_PAD_LCD_DATA00__LCDIF_DATA00	0x79
			MX6UL_PAD_LCD_DATA01__LCDIF_DATA01	0x79
			MX6UL_PAD_LCD_DATA02__LCDIF_DATA02	0x79
			MX6UL_PAD_LCD_DATA03__LCDIF_DATA03	0x79
			MX6UL_PAD_LCD_DATA04__LCDIF_DATA04	0x79
			MX6UL_PAD_LCD_DATA05__LCDIF_DATA05	0x79
			MX6UL_PAD_LCD_DATA06__LCDIF_DATA06	0x79
			MX6UL_PAD_LCD_DATA07__LCDIF_DATA07	0x79
			MX6UL_PAD_LCD_DATA08__LCDIF_DATA08	0x79
			MX6UL_PAD_LCD_DATA09__LCDIF_DATA09	0x79
			MX6UL_PAD_LCD_DATA10__LCDIF_DATA10	0x79
			MX6UL_PAD_LCD_DATA11__LCDIF_DATA11	0x79
			MX6UL_PAD_LCD_DATA12__LCDIF_DATA12	0x79
			MX6UL_PAD_LCD_DATA13__LCDIF_DATA13	0x79
			MX6UL_PAD_LCD_DATA14__LCDIF_DATA14	0x79
			MX6UL_PAD_LCD_DATA15__LCDIF_DATA15	0x79
			MX6UL_PAD_LCD_DATA16__LCDIF_DATA16	0x79
			MX6UL_PAD_LCD_DATA17__LCDIF_DATA17	0x79
			MX6UL_PAD_LCD_DATA18__LCDIF_DATA18	0x79
			MX6UL_PAD_LCD_DATA19__LCDIF_DATA19	0x79
			MX6UL_PAD_LCD_DATA20__LCDIF_DATA20	0x79
			MX6UL_PAD_LCD_DATA21__LCDIF_DATA21	0x79
			MX6UL_PAD_LCD_DATA22__LCDIF_DATA22	0x79
			MX6UL_PAD_LCD_DATA23__LCDIF_DATA23	0x79
			MX6UL_PAD_GPIO1_IO08__GPIO1_IO08	0x79
		>;
	};

	pinctrl_reg_vmmc: usdhc1regvmmc {
		fsl,pins = <
			MX6UL_PAD_GPIO1_IO09__GPIO1_IO09	0x17059
		>;
	};

	pinctrl_sai2: sai2-grp {
		fsl,pins = <
			MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA	0x130b0
			MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK	0x17088
			MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC	0x17088
			MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA	0x120b0
		>;
	};

	pinctrl_uart1: uart1grp {
		fsl,pin = <
			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX	0x1b0b1
			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX	0x1b0b1
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pin = <
			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
			MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS	0x1b0b1
			MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS	0x1b0b1
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pin = <
			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b0b1
			MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS	0x1b0b1
			MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS	0x1b0b1
		>;
	};

	pinctrl_uart4: uart4grp {
		fsl,pin = <
			MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX	0x1b0b1
			MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX	0x1b0b1
		>;
	};

	pinctrl_uart5: uart5grp {
		fsl,pin = <
			MX6UL_PAD_UART5_TX_DATA__UART5_DCE_TX	0x1b0b1
			MX6UL_PAD_UART5_RX_DATA__UART5_DCE_RX	0x1b0b1
		>;
	};

	pinctrl_usb_otg1_id: usbotg1idgrp {
		fsl,pin = <
			MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID	0x17059
		>;
	};

	pinctrl_usdhc1: usdhc1grp {
		fsl,pins = <
			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x17059
			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10059
			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x17059
			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x17059
			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x17059
			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x17059
		>;
	};

	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
		fsl,pins = <
			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x170b9
			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x100b9
			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x170b9
			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x170b9
			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x170b9
			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x170b9
		>;
	};

	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
		fsl,pins = <
			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x170f9
			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x100f9
			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x170f9
			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x170f9
			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x170f9
			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x170f9
		>;
	};

	pinctrl_usdhc1_cd: usdhc1cd {
		fsl,pins = <
			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x17059
		>;
	};
};