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
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2019 NXP
 * Copyright (C) 2023 Pengutronix, Marco Felsch <kernel@pengutronix.de>
 */

/dts-v1/;

#include "imx8mp-debix-som-a.dtsi"

/ {
	model = "Polyhex i.MX8MPlus Debix SOM A on BMB-08";
	compatible = "polyhex,imx8mp-debix-som-a-bmb-08", "polyhex,imx8mp-debix-som-a",
		     "fsl,imx8mp";

	aliases {
		ethernet0 = &eqos;
		ethernet1 = &fec;
	};

	chosen {
		stdout-path = &uart2;
	};

	reg_baseboard_vdd3v3: regulator-baseboard-vdd3v3 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "BB_VDD3V3";
		/* Required timings for ethernet phy's */
		startup-delay-us = <50000>;
		off-on-delay-us = <110000>;
		gpio = <&expander0 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_baseboard_vdd5v0: regulator-baseboard-vdd5v0 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "BB_VDD5V";
		gpio = <&expander0 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	regulator-som-vdd1v8 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-name = "SOM_VDD1V8_SW";
		gpio = <&expander0 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	regulator-som-vdd3v3 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-name = "SOM_VDD3V3_SW";
		gpio = <&expander0 11 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	regulator-vbus-usb20 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "USB20_5V";
		gpio = <&expander1 14 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_baseboard_vdd5v0>;
	};

	regulator-vbus-usb30 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "USB30_5V";
		gpio = <&expander1 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&reg_baseboard_vdd5v0>;
	};

	reg_vdd5v0: regulator-vdd5v0 {
		compatible = "regulator-fixed";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-name = "VDD_5V";
		gpio = <&expander0 8 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&eqos {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_eqos>;
	nvmem-cells = <&ethmac1>;
	nvmem-cell-names = "mac-address";
	phy-supply = <&reg_baseboard_vdd3v3>;
	phy-handle = <&ethphy0>;
	phy-mode = "rgmii-id";
	status = "okay";

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy0: ethernet-phy@1 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <1>;
			reset-gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
			reset-assert-us = <20000>;
			reset-deassert-us = <150000>;
			eee-broken-1000t;
			realtek,clkout-disable;
		};
	};
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec>;
	nvmem-cells = <&ethmac2>;
	nvmem-cell-names = "mac-address";
	phy-supply = <&reg_baseboard_vdd3v3>;
	phy-handle = <&ethphy1>;
	phy-mode = "rgmii-id";
	fsl,magic-packet;
	status = "okay";

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

		ethphy1: ethernet-phy@1 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <1>;
			reset-gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
			reset-assert-us = <20000>;
			reset-deassert-us = <150000>;
			eee-broken-1000t;
			realtek,clkout-disable;
		};
	};
};

&flexcan1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexcan1>;
	xceiver-supply = <&reg_vdd5v0>;
	status = "okay";
};

&flexcan2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexcan2>;
	xceiver-supply = <&reg_vdd5v0>;
	status = "okay";
};

&flexspi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexspi0>;
	status = "okay";

	flash: flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <80000000>;
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <4>;
		#address-cells = <1>;
		#size-cells = <1>;
	};
};

&i2c4 {
	expander0: gpio@20 {
		compatible = "nxp,pca9535";
		reg = <0x20>;
		gpio-controller;
		#gpio-cells = <0x02>;
	};

	expander1: gpio@23 {
		compatible = "nxp,pca9535";
		reg = <0x23>;
		gpio-controller;
		#gpio-cells = <0x02>;

		/*
		 * Since USB1 is bound to peripheral mode we need to ensure
		 * that VBUS is turned off.
		 */
		usb30-otg-hog {
			gpio-hog;
			gpios = <13 GPIO_ACTIVE_HIGH>;
			output-low;
			line-name = "USB30_OTG_EN";
		};
	};

	rtc@51 {
		compatible = "haoyu,hym8563";
		reg = <0x51>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_rtc>;
		interrupt-parent = <&gpio4>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
		#clock-cells = <0>;
	};

	eeprom@52 {
		compatible = "atmel,24c02";
		reg = <0x52>;
		pagesize = <16>;
		#address-cells = <1>;
		#size-cells = <0>;

		/* MACs stored in ASCII */
		ethmac1: mac-address@0 {
			reg = <0x0 0xc>;
		};

		ethmac2: mac-address@c {
			reg = <0xc 0xc>;
		};
	};
};

&snvs_pwrkey {
	status = "okay";
};

/* Debug */
&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

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

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

&usb3_0 {
	status = "okay";
};

&usb3_1 {
	status = "okay";
};

&usb_dwc3_0 {
	dr_mode = "peripheral";
	status = "okay";
};

&usb_dwc3_1 {
	dr_mode = "host";
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	/* 2.x hub on port 1 */
	usb_hub_2_x: hub@1 {
		compatible = "usb5e3,610";
		reg = <1>;
		reset-gpios = <&expander1 9 GPIO_ACTIVE_LOW>;
		vdd-supply = <&reg_vdd5v0>;
		peer-hub = <&usb_hub_3_x>;
	};

	/* 3.x hub on port 2 */
	usb_hub_3_x: hub@2 {
		compatible = "usb5e3,620";
		reg = <2>;
		reset-gpios = <&expander1 9 GPIO_ACTIVE_LOW>;
		vdd-supply = <&reg_vdd5v0>;
		peer-hub = <&usb_hub_2_x>;
	};
};

&usb3_phy0 {
	status = "okay";
};

&usb3_phy1 {
	status = "okay";
};

/* µSD Card */
&usdhc2 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc2>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
	assigned-clock-rates = <400000000>;
	vmmc-supply = <&reg_usdhc2_vmmc>;
	bus-width = <4>;
	disable-wp;
	no-sdio;
	no-mmc;
	status = "okay";
};

&iomuxc {
	pinctrl_eqos: eqosgrp {
		fsl,pins = <
			MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC				0x3
			MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO				0x3
			MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0			0x91
			MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1			0x91
			MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2			0x91
			MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3			0x91
			MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK	0x91
			MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL			0x91
			MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0			0x1f
			MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1			0x1f
			MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2			0x1f
			MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3			0x1f
			MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL			0x1f
			MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK	0x1f

			MX8MP_IOMUXC_SAI1_RXFS__ENET1_1588_EVENT0_IN			0x1f
			MX8MP_IOMUXC_SAI1_TXD6__GPIO4_IO18				0x19
		>;
	};

	pinctrl_fec: fecgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC		0x3
			MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO		0x3
			MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0		0x91
			MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1		0x91
			MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2		0x91
			MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3		0x91
			MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC		0x91
			MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL	0x91
			MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0		0x1f
			MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1		0x1f
			MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2		0x1f
			MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3		0x1f
			MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL	0x1f
			MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC		0x1f
			MX8MP_IOMUXC_SAI1_RXD0__ENET1_1588_EVENT1_IN    0x1f
			MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19		0x19
		>;
	};

	pinctrl_flexcan1: flexcan1grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX			0x154
			MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX			0x154
		>;
	};

	pinctrl_flexcan2: flexcan2grp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX			0x154
			MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX			0x154
		>;
	};

	pinctrl_flexspi0: flexspi0grp {
		fsl,pins = <
			MX8MP_IOMUXC_NAND_ALE__FLEXSPI_A_SCLK           0x1c2
			MX8MP_IOMUXC_NAND_CE0_B__FLEXSPI_A_SS0_B        0x82
			MX8MP_IOMUXC_NAND_DATA00__FLEXSPI_A_DATA00      0x82
			MX8MP_IOMUXC_NAND_DATA01__FLEXSPI_A_DATA01      0x82
			MX8MP_IOMUXC_NAND_DATA02__FLEXSPI_A_DATA02      0x82
			MX8MP_IOMUXC_NAND_DATA03__FLEXSPI_A_DATA03      0x82
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL			0x400001c2
			MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA			0x400001c2
		>;
	};

	pinctrl_i2c4: i2c4grp {
		fsl,pins = <
			MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL			0x400001c3
			MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA			0x400001c3
		>;
	};

	pinctrl_rtc: rtcgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03		0x140
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03		0x41
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX		0x14f
			MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX		0x14f
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX		0x49
			MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX		0x49
		>;
	};

	pinctrl_uart4: uart4grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX		0x49
			MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX		0x49
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK		0x190
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD		0x1d0
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0		0x1d0
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1		0x1d0
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2		0x1d0
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3		0x1d0
			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT		0xc1
		>;
	};

	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK		0x194
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD		0x1d4
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0		0x1d4
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1		0x1d4
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2		0x1d4
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3		0x1d4
			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT		0xc1
		>;
	};

	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK		0x196
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD		0x1d6
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0		0x1d6
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1		0x1d6
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2		0x1d6
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3		0x1d6
			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT		0xc1
		>;
	};
};