1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Device Tree file for the Kontron SMARC-sAL28 board.
4 *
5 * Copyright (C) 2021 Michael Walle <michael@walle.cc>
6 *
7 */
8
9/dts-v1/;
10#include "fsl-ls1028a.dtsi"
11#include <dt-bindings/interrupt-controller/irq.h>
12#include <dt-bindings/gpio/gpio.h>
13#include <dt-bindings/input/input.h>
14
15/ {
16	model = "Kontron SMARC-sAL28";
17	compatible = "kontron,sl28", "fsl,ls1028a";
18
19	aliases {
20		crypto = &crypto;
21		serial0 = &duart0;
22		serial1 = &duart1;
23		serial2 = &lpuart1;
24		spi0 = &fspi;
25		spi1 = &dspi2;
26		mmc0 = &esdhc1;
27		mmc1 = &esdhc;
28		rtc0 = &rtc;
29		rtc1 = &ftm_alarm0;
30	};
31
32	buttons0 {
33		compatible = "gpio-keys";
34
35		power-button {
36			interrupts-extended = <&sl28cpld_intc
37					       4 IRQ_TYPE_EDGE_BOTH>;
38			linux,code = <KEY_POWER>;
39			label = "Power";
40		};
41
42		sleep-button {
43			interrupts-extended = <&sl28cpld_intc
44					       5 IRQ_TYPE_EDGE_BOTH>;
45			linux,code = <KEY_SLEEP>;
46			label = "Sleep";
47		};
48	};
49
50	buttons1 {
51		compatible = "gpio-keys-polled";
52		poll-interval = <200>;
53
54		lid-switch {
55			linux,input-type = <EV_SW>;
56			linux,code = <SW_LID>;
57			gpios = <&sl28cpld_gpio3 4 GPIO_ACTIVE_LOW>;
58			label = "Lid";
59		};
60	};
61
62	chosen {
63		stdout-path = "serial0:115200n8";
64	};
65};
66
67&can0 {
68	status = "okay";
69};
70
71&dspi2 {
72	status = "okay";
73};
74
75&duart0 {
76	status = "okay";
77};
78
79&duart1 {
80	status = "okay";
81};
82
83&enetc_mdio_pf3 {
84	phy0: ethernet-phy@5 {
85		reg = <0x5>;
86		eee-broken-1000t;
87		eee-broken-100tx;
88	};
89};
90
91&enetc_port0 {
92	phy-handle = <&phy0>;
93	phy-mode = "sgmii";
94	managed = "in-band-status";
95	status = "okay";
96};
97
98&esdhc {
99	sd-uhs-sdr104;
100	sd-uhs-sdr50;
101	sd-uhs-sdr25;
102	sd-uhs-sdr12;
103	status = "okay";
104};
105
106&esdhc1 {
107	mmc-hs200-1_8v;
108	mmc-hs400-1_8v;
109	bus-width = <8>;
110	status = "okay";
111};
112
113&fspi {
114	status = "okay";
115
116	flash@0 {
117		compatible = "jedec,spi-nor";
118		m25p,fast-read;
119		spi-max-frequency = <133000000>;
120		reg = <0>;
121		/* The following setting enables 1-1-2 (CMD-ADDR-DATA) mode */
122		spi-rx-bus-width = <2>; /* 2 SPI Rx lines */
123		spi-tx-bus-width = <1>; /* 1 SPI Tx line */
124
125		partitions {
126			compatible = "fixed-partitions";
127			#address-cells = <1>;
128			#size-cells = <1>;
129
130			partition@0 {
131				reg = <0x000000 0x010000>;
132				label = "rcw";
133				read-only;
134			};
135
136			partition@10000 {
137				reg = <0x010000 0x1d0000>;
138				label = "failsafe bootloader";
139				read-only;
140			};
141
142			partition@200000 {
143				reg = <0x200000 0x010000>;
144				label = "configuration store";
145			};
146
147			partition@210000 {
148				reg = <0x210000 0x1d0000>;
149				label = "bootloader";
150			};
151
152			partition@3e0000 {
153				reg = <0x3e0000 0x020000>;
154				label = "bootloader environment";
155			};
156		};
157	};
158};
159
160&ftm_alarm0 {
161	status = "okay";
162};
163
164&gpio1 {
165	gpio-line-names =
166		"", "", "", "", "", "", "", "",
167		"", "", "", "", "", "", "", "",
168		"", "", "", "", "", "", "TDO", "TCK",
169		"", "", "", "", "", "", "", "";
170};
171
172&gpio2 {
173	gpio-line-names =
174		"", "", "", "", "", "", "TMS", "TDI",
175		"", "", "", "", "", "", "", "",
176		"", "", "", "", "", "", "", "",
177		"", "", "", "", "", "", "", "";
178};
179
180&i2c0 {
181	status = "okay";
182
183	rtc: rtc@32 {
184		compatible = "microcrystal,rv8803";
185		reg = <0x32>;
186	};
187
188	sl28cpld@4a {
189		compatible = "kontron,sl28cpld";
190		reg = <0x4a>;
191		#address-cells = <1>;
192		#size-cells = <0>;
193
194		watchdog@4 {
195			compatible = "kontron,sl28cpld-wdt";
196			reg = <0x4>;
197			kontron,assert-wdt-timeout-pin;
198		};
199
200		hwmon@b {
201			compatible = "kontron,sl28cpld-fan";
202			reg = <0xb>;
203		};
204
205		sl28cpld_pwm0: pwm@c {
206			compatible = "kontron,sl28cpld-pwm";
207			reg = <0xc>;
208			#pwm-cells = <2>;
209		};
210
211		sl28cpld_pwm1: pwm@e {
212			compatible = "kontron,sl28cpld-pwm";
213			reg = <0xe>;
214			#pwm-cells = <2>;
215		};
216
217		sl28cpld_gpio0: gpio@10 {
218			compatible = "kontron,sl28cpld-gpio";
219			reg = <0x10>;
220			interrupts-extended = <&gpio2 6
221					       IRQ_TYPE_EDGE_FALLING>;
222
223			gpio-controller;
224			#gpio-cells = <2>;
225			gpio-line-names =
226				"GPIO0_CAM0_PWR_N", "GPIO1_CAM1_PWR_N",
227				"GPIO2_CAM0_RST_N", "GPIO3_CAM1_RST_N",
228				"GPIO4_HDA_RST_N", "GPIO5_PWM_OUT",
229				"GPIO6_TACHIN", "GPIO7";
230
231			interrupt-controller;
232			#interrupt-cells = <2>;
233		};
234
235		sl28cpld_gpio1: gpio@15 {
236			compatible = "kontron,sl28cpld-gpio";
237			reg = <0x15>;
238			interrupts-extended = <&gpio2 6
239					       IRQ_TYPE_EDGE_FALLING>;
240
241			gpio-controller;
242			#gpio-cells = <2>;
243			gpio-line-names =
244				"GPIO8", "GPIO9", "GPIO10", "GPIO11",
245				"", "", "", "";
246
247			interrupt-controller;
248			#interrupt-cells = <2>;
249		};
250
251		sl28cpld_gpio2: gpio@1a {
252			compatible = "kontron,sl28cpld-gpo";
253			reg = <0x1a>;
254
255			gpio-controller;
256			#gpio-cells = <2>;
257			gpio-line-names =
258				"LCD0 voltage enable",
259				"LCD0 backlight enable",
260				"eMMC reset", "LVDS bridge reset",
261				"LVDS bridge power-down",
262				"SDIO power enable",
263				"", "";
264		};
265
266		sl28cpld_gpio3: gpio@1b {
267			compatible = "kontron,sl28cpld-gpi";
268			reg = <0x1b>;
269
270			gpio-controller;
271			#gpio-cells = <2>;
272			gpio-line-names =
273				"Power button", "Force recovery", "Sleep",
274				"Battery low", "Lid state", "Charging",
275				"Charger present", "";
276		};
277
278		sl28cpld_intc: interrupt-controller@1c {
279			compatible = "kontron,sl28cpld-intc";
280			reg = <0x1c>;
281			interrupts-extended = <&gpio2 6
282					       IRQ_TYPE_EDGE_FALLING>;
283
284			interrupt-controller;
285			#interrupt-cells = <2>;
286		};
287	};
288
289	eeprom@50 {
290		compatible = "atmel,24c32";
291		reg = <0x50>;
292		pagesize = <32>;
293	};
294};
295
296&i2c3 {
297	status = "okay";
298};
299
300&i2c4 {
301	status = "okay";
302
303	eeprom@50 {
304		compatible = "atmel,24c32";
305		reg = <0x50>;
306		pagesize = <32>;
307	};
308};
309
310&lpuart1 {
311	status = "okay";
312};
313
314&usb0 {
315	status = "okay";
316};
317
318&usb1 {
319	status = "okay";
320};
321