1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
4 */
5
6/dts-v1/;
7
8#include "am4372.dtsi"
9#include <dt-bindings/pinctrl/am43xx.h>
10#include <dt-bindings/pwm/pwm.h>
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/input/input.h>
13
14/ {
15	model = "TI AM437x Industrial Development Kit";
16	compatible = "ti,am437x-idk-evm","ti,am4372","ti,am43";
17
18	chosen {
19		stdout-path = &uart0;
20	};
21
22	v24_0d: fixed-regulator-v24_0d {
23		compatible = "regulator-fixed";
24		regulator-name = "V24_0D";
25		regulator-min-microvolt = <24000000>;
26		regulator-max-microvolt = <24000000>;
27		regulator-always-on;
28		regulator-boot-on;
29	};
30
31	v3_3d: fixed-regulator-v3_3d {
32		compatible = "regulator-fixed";
33		regulator-name = "V3_3D";
34		regulator-min-microvolt = <3300000>;
35		regulator-max-microvolt = <3300000>;
36		regulator-always-on;
37		regulator-boot-on;
38		vin-supply = <&v24_0d>;
39	};
40
41	vdd_corereg: fixed-regulator-vdd_corereg {
42		compatible = "regulator-fixed";
43		regulator-name = "VDD_COREREG";
44		regulator-min-microvolt = <1100000>;
45		regulator-max-microvolt = <1100000>;
46		regulator-always-on;
47		regulator-boot-on;
48		vin-supply = <&v24_0d>;
49	};
50
51	vdd_core: fixed-regulator-vdd_core {
52		compatible = "regulator-fixed";
53		regulator-name = "VDD_CORE";
54		regulator-min-microvolt = <1100000>;
55		regulator-max-microvolt = <1100000>;
56		regulator-always-on;
57		regulator-boot-on;
58		vin-supply = <&vdd_corereg>;
59	};
60
61	v1_8dreg: fixed-regulator-v1_8dreg{
62		compatible = "regulator-fixed";
63		regulator-name = "V1_8DREG";
64		regulator-min-microvolt = <1800000>;
65		regulator-max-microvolt = <1800000>;
66		regulator-always-on;
67		regulator-boot-on;
68		vin-supply = <&v24_0d>;
69	};
70
71	v1_8d: fixed-regulator-v1_8d{
72		compatible = "regulator-fixed";
73		regulator-name = "V1_8D";
74		regulator-min-microvolt = <1800000>;
75		regulator-max-microvolt = <1800000>;
76		regulator-always-on;
77		regulator-boot-on;
78		vin-supply = <&v1_8dreg>;
79	};
80
81	v1_5dreg: fixed-regulator-v1_5dreg{
82		compatible = "regulator-fixed";
83		regulator-name = "V1_5DREG";
84		regulator-min-microvolt = <1500000>;
85		regulator-max-microvolt = <1500000>;
86		regulator-always-on;
87		regulator-boot-on;
88		vin-supply = <&v24_0d>;
89	};
90
91	v1_5d: fixed-regulator-v1_5d{
92		compatible = "regulator-fixed";
93		regulator-name = "V1_5D";
94		regulator-min-microvolt = <1500000>;
95		regulator-max-microvolt = <1500000>;
96		regulator-always-on;
97		regulator-boot-on;
98		vin-supply = <&v1_5dreg>;
99	};
100
101	gpio_keys: gpio_keys {
102		compatible = "gpio-keys";
103		pinctrl-names = "default";
104		pinctrl-0 = <&gpio_keys_pins_default>;
105		#address-cells = <1>;
106		#size-cells = <0>;
107
108		switch0 {
109			label = "power-button";
110			linux,code = <KEY_POWER>;
111			gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
112		};
113	};
114
115	/* fixed 32k external oscillator clock */
116	clk_32k_rtc: clk_32k_rtc {
117		#clock-cells = <0>;
118		compatible = "fixed-clock";
119		clock-frequency = <32768>;
120	};
121
122	leds-iio {
123		status = "disabled";
124		compatible = "gpio-leds";
125		led-out0 {
126			label = "out0";
127			gpios = <&tpic2810 0 GPIO_ACTIVE_HIGH>;
128			default-state = "off";
129		};
130
131		led-out1 {
132			label = "out1";
133			gpios = <&tpic2810 1 GPIO_ACTIVE_HIGH>;
134			default-state = "off";
135		};
136
137		led-out2 {
138			label = "out2";
139			gpios = <&tpic2810 2 GPIO_ACTIVE_HIGH>;
140			default-state = "off";
141		};
142
143		led-out3 {
144			label = "out3";
145			gpios = <&tpic2810 3 GPIO_ACTIVE_HIGH>;
146			default-state = "off";
147		};
148
149		led-out4 {
150			label = "out4";
151			gpios = <&tpic2810 4 GPIO_ACTIVE_HIGH>;
152			default-state = "off";
153		};
154
155		led-out5 {
156			label = "out5";
157			gpios = <&tpic2810 5 GPIO_ACTIVE_HIGH>;
158			default-state = "off";
159		};
160
161		led-out6 {
162			label = "out6";
163			gpios = <&tpic2810 6 GPIO_ACTIVE_HIGH>;
164			default-state = "off";
165		};
166
167		led-out7 {
168			label = "out7";
169			gpios = <&tpic2810 7 GPIO_ACTIVE_HIGH>;
170			default-state = "off";
171		};
172	};
173};
174
175&am43xx_pinmux {
176	gpio_keys_pins_default: gpio_keys_pins_default {
177		pinctrl-single,pins = <
178			AM4372_IOPAD(0x9b8, PIN_INPUT | MUX_MODE7)	/* cam0_field.gpio4_2 */
179		>;
180	};
181
182	i2c0_pins_default: i2c0_pins_default {
183		pinctrl-single,pins = <
184			AM4372_IOPAD(0x988, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
185			AM4372_IOPAD(0x98c, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
186		>;
187	};
188
189	i2c0_pins_sleep: i2c0_pins_sleep {
190		pinctrl-single,pins = <
191			AM4372_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7)
192			AM4372_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE7)
193		>;
194	};
195
196	i2c2_pins_default: i2c2_pins_default {
197		pinctrl-single,pins = <
198			AM4372_IOPAD(0x9e8, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data1.i2c2_scl */
199			AM4372_IOPAD(0x9ec, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data0.i2c2_sda */
200		>;
201	};
202
203	i2c2_pins_sleep: i2c2_pins_sleep {
204		pinctrl-single,pins = <
205			AM4372_IOPAD(0x9e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
206			AM4372_IOPAD(0x9ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
207		>;
208	};
209
210	mmc1_pins_default: pinmux_mmc1_pins_default {
211		pinctrl-single,pins = <
212			AM4372_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
213			AM4372_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
214			AM4372_IOPAD(0x9f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
215			AM4372_IOPAD(0x9f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
216			AM4372_IOPAD(0x9f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
217			AM4372_IOPAD(0x9fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
218			AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
219		>;
220	};
221
222	mmc1_pins_sleep: pinmux_mmc1_pins_sleep {
223		pinctrl-single,pins = <
224			AM4372_IOPAD(0x900, PIN_INPUT_PULLDOWN | MUX_MODE7)
225			AM4372_IOPAD(0x904, PIN_INPUT_PULLDOWN | MUX_MODE7)
226			AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7)
227			AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7)
228			AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7)
229			AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7)
230			AM4372_IOPAD(0x960, PIN_INPUT_PULLDOWN | MUX_MODE7)
231		>;
232	};
233
234	spi1_pins_default: spi1_pins_default {
235		pinctrl-single,pins = <
236			AM4372_IOPAD(0x908, PIN_INPUT | MUX_MODE2)	/* mii1_col.spi1_sclk */
237			AM4372_IOPAD(0x910, PIN_INPUT | MUX_MODE2)	/* mii1_rx_er.spi1_d1 */
238			AM4372_IOPAD(0x944, PIN_OUTPUT | MUX_MODE2)	/* rmii1_ref_clk.spi1_cs0 */
239			AM4372_IOPAD(0x90c, PIN_OUTPUT | MUX_MODE7)	/* mii1_crs.gpio3_1 */
240		>;
241	};
242
243	spi1_pins_sleep: spi1_pins_sleep {
244		pinctrl-single,pins = <
245			AM4372_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE7)
246			AM4372_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)
247			AM4372_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7)
248			AM4372_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE7)
249		>;
250	};
251
252	ecap0_pins_default: backlight_pins_default {
253		pinctrl-single,pins = <
254			AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
255		>;
256	};
257
258	cpsw_default: cpsw_default {
259		pinctrl-single,pins = <
260			AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txclk.rgmii1_tclk */
261			AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txen.rgmii1_tctl */
262			AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd0.rgmii1_td0 */
263			AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd1.rgmii1_td1 */
264			AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd0.rgmii1_td2 */
265			AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)	/* mii1_txd1.rgmii1_td3 */
266			AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxclk.rmii1_rclk */
267			AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxdv.rgmii1_rctl */
268			AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd0.rgmii1_rd0 */
269			AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd1.rgmii1_rd1 */
270			AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd0.rgmii1_rd2 */
271			AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)	/* mii1_rxd1.rgmii1_rd3 */
272		>;
273	};
274
275	cpsw_sleep: cpsw_sleep {
276		pinctrl-single,pins = <
277			AM4372_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
278			AM4372_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
279			AM4372_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
280			AM4372_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
281			AM4372_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
282			AM4372_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
283			AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
284			AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
285			AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
286			AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
287			AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
288			AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
289		>;
290	};
291
292	davinci_mdio_default: davinci_mdio_default {
293		pinctrl-single,pins = <
294			/* MDIO */
295			AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */
296			AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)			/* mdio_clk.mdio_clk */
297		>;
298	};
299
300	davinci_mdio_sleep: davinci_mdio_sleep {
301		pinctrl-single,pins = <
302			/* MDIO reset value */
303			AM4372_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
304			AM4372_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
305		>;
306	};
307
308	qspi_pins_default: qspi_pins_default {
309		pinctrl-single,pins = <
310			AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE3)	/* gpmc_csn0.qspi_csn */
311			AM4372_IOPAD(0x888, PIN_OUTPUT | MUX_MODE2)		/* gpmc_csn3.qspi_clk */
312			AM4372_IOPAD(0x890, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_advn_ale.qspi_d0 */
313			AM4372_IOPAD(0x894, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_oen_ren.qspi_d1 */
314			AM4372_IOPAD(0x898, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_wen.qspi_d2 */
315			AM4372_IOPAD(0x89c, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpmc_be0n_cle.qspi_d3 */
316		>;
317	};
318
319	qspi_pins_sleep: qspi_pins_sleep{
320		pinctrl-single,pins = <
321			AM4372_IOPAD(0x87c, PIN_INPUT_PULLDOWN | MUX_MODE7)
322			AM4372_IOPAD(0x888, PIN_INPUT_PULLDOWN | MUX_MODE7)
323			AM4372_IOPAD(0x890, PIN_INPUT_PULLDOWN | MUX_MODE7)
324			AM4372_IOPAD(0x894, PIN_INPUT_PULLDOWN | MUX_MODE7)
325			AM4372_IOPAD(0x898, PIN_INPUT_PULLDOWN | MUX_MODE7)
326			AM4372_IOPAD(0x89c, PIN_INPUT_PULLDOWN | MUX_MODE7)
327		>;
328	};
329};
330
331&i2c0 {
332	status = "okay";
333	pinctrl-names = "default", "sleep";
334	pinctrl-0 = <&i2c0_pins_default>;
335	pinctrl-1 = <&i2c0_pins_sleep>;
336	clock-frequency = <400000>;
337
338	at24@50 {
339		compatible = "atmel,24c256";
340		pagesize = <64>;
341		reg = <0x50>;
342	};
343
344	tps: tps62362@60 {
345		compatible = "ti,tps62362";
346		reg = <0x60>;
347		regulator-name = "VDD_MPU";
348		regulator-min-microvolt = <950000>;
349		regulator-max-microvolt = <1330000>;
350		regulator-boot-on;
351		regulator-always-on;
352		ti,vsel0-state-high;
353		ti,vsel1-state-high;
354		vin-supply = <&v3_3d>;
355	};
356};
357
358&i2c2 {
359	status = "okay";
360	pinctrl-names = "default", "sleep";
361	pinctrl-0 = <&i2c2_pins_default>;
362	pinctrl-1 = <&i2c2_pins_sleep>;
363	clock-frequency = <100000>;
364
365	tpic2810: tpic2810@60 {
366		compatible = "ti,tpic2810";
367		reg = <0x60>;
368		gpio-controller;
369		#gpio-cells = <2>;
370	};
371};
372
373&spi1 {
374	status = "okay";
375	pinctrl-names = "default", "sleep";
376	pinctrl-0 = <&spi1_pins_default>;
377	pinctrl-1 = <&spi1_pins_sleep>;
378	ti,pindir-d0-out-d1-in;
379
380	sn65hvs882: sn65hvs882@0 {
381		compatible = "pisosr-gpio";
382		gpio-controller;
383		#gpio-cells = <2>;
384
385		load-gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;
386
387		reg = <0>;
388		spi-max-frequency = <1000000>;
389		spi-cpol;
390	};
391};
392
393&epwmss0 {
394	status = "okay";
395};
396
397&ecap0 {
398	status = "okay";
399	pinctrl-names = "default";
400	pinctrl-0 = <&ecap0_pins_default>;
401};
402
403&gpio0 {
404	status = "okay";
405};
406
407&gpio1 {
408	status = "okay";
409};
410
411&gpio3 {
412	status = "okay";
413};
414
415&gpio4 {
416	status = "okay";
417};
418
419&gpio5 {
420	status = "okay";
421};
422
423&mmc1 {
424	status = "okay";
425	pinctrl-names = "default", "sleep";
426	pinctrl-0 = <&mmc1_pins_default>;
427	pinctrl-1 = <&mmc1_pins_sleep>;
428	vmmc-supply = <&v3_3d>;
429	bus-width = <4>;
430	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
431};
432
433&qspi {
434	status = "okay";
435	pinctrl-names = "default", "sleep";
436	pinctrl-0 = <&qspi_pins_default>;
437	pinctrl-1 = <&qspi_pins_sleep>;
438
439	spi-max-frequency = <48000000>;
440	m25p80@0 {
441		compatible = "mx66l51235l";
442		spi-max-frequency = <48000000>;
443		reg = <0>;
444		spi-cpol;
445		spi-cpha;
446		spi-tx-bus-width = <1>;
447		spi-rx-bus-width = <4>;
448		#address-cells = <1>;
449		#size-cells = <1>;
450
451		/*
452		 * MTD partition table.  The ROM checks the first 512KiB for a
453		 * valid file to boot(XIP).
454		 */
455		partition@0 {
456			label = "QSPI.U_BOOT";
457			reg = <0x00000000 0x000080000>;
458		};
459		partition@1 {
460			label = "QSPI.U_BOOT.backup";
461			reg = <0x00080000 0x00080000>;
462		};
463		partition@2 {
464			label = "QSPI.U-BOOT-SPL_OS";
465			reg = <0x00100000 0x00010000>;
466		};
467		partition@3 {
468			label = "QSPI.U_BOOT_ENV";
469			reg = <0x00110000 0x00010000>;
470		};
471		partition@4 {
472			label = "QSPI.U-BOOT-ENV.backup";
473			reg = <0x00120000 0x00010000>;
474		};
475		partition@5 {
476			label = "QSPI.KERNEL";
477			reg = <0x00130000 0x0800000>;
478		};
479		partition@6 {
480			label = "QSPI.FILESYSTEM";
481			reg = <0x00930000 0x36D0000>;
482		};
483	};
484};
485
486&mac_sw {
487	pinctrl-names = "default", "sleep";
488	pinctrl-0 = <&cpsw_default>;
489	pinctrl-1 = <&cpsw_sleep>;
490	status = "okay";
491};
492
493&davinci_mdio_sw {
494	pinctrl-names = "default", "sleep";
495	pinctrl-0 = <&davinci_mdio_default>;
496	pinctrl-1 = <&davinci_mdio_sleep>;
497
498	ethphy0: ethernet-phy@0 {
499		reg = <0>;
500	};
501};
502
503&cpsw_port1 {
504	phy-handle = <&ethphy0>;
505	phy-mode = "rgmii-rxid";
506	ti,dual-emac-pvid = <1>;
507};
508
509&cpsw_port2 {
510	status = "disabled";
511};
512
513&rtc {
514	clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
515	clock-names = "ext-clk", "int-clk";
516	status = "okay";
517};
518
519&wdt {
520	status = "okay";
521};
522
523&cpu {
524	cpu0-supply = <&tps>;
525};
526
527&cpu0_opp_table {
528	/*
529	 * Supply voltage supervisor on board will not allow opp50 so
530	 * disable it and set opp100 as suspend OPP.
531	 */
532	opp50-300000000 {
533		status = "disabled";
534	};
535
536	opp100-600000000 {
537		opp-suspend;
538	};
539};
540