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 nvmem-cells = <&base_mac_address 0>;
96 nvmem-cell-names = "mac-address";
97 status = "okay";
98 };
99
100 &esdhc {
101 sd-uhs-sdr104;
102 sd-uhs-sdr50;
103 sd-uhs-sdr25;
104 sd-uhs-sdr12;
105 status = "okay";
106 };
107
108 &esdhc1 {
109 mmc-hs200-1_8v;
110 mmc-hs400-1_8v;
111 bus-width = <8>;
112 status = "okay";
113 };
114
115 &fspi {
116 status = "okay";
117
118 flash@0 {
119 compatible = "jedec,spi-nor";
120 m25p,fast-read;
121 spi-max-frequency = <133000000>;
122 reg = <0>;
123 /* The following setting enables 1-1-2 (CMD-ADDR-DATA) mode */
124 spi-rx-bus-width = <2>; /* 2 SPI Rx lines */
125 spi-tx-bus-width = <1>; /* 1 SPI Tx line */
126
127 partitions {
128 compatible = "fixed-partitions";
129 #address-cells = <1>;
130 #size-cells = <1>;
131
132 partition@0 {
133 reg = <0x000000 0x010000>;
134 label = "rcw";
135 read-only;
136 };
137
138 partition@10000 {
139 reg = <0x010000 0x1d0000>;
140 label = "failsafe bootloader";
141 read-only;
142 };
143
144 partition@200000 {
145 reg = <0x200000 0x010000>;
146 label = "configuration store";
147 };
148
149 partition@210000 {
150 reg = <0x210000 0x1d0000>;
151 label = "bootloader";
152 };
153
154 partition@3e0000 {
155 reg = <0x3e0000 0x020000>;
156 label = "bootloader environment";
157 };
158 };
159
160 otp-1 {
161 compatible = "user-otp";
162
163 nvmem-layout {
164 compatible = "kontron,sl28-vpd";
165
166 serial_number: serial-number {
167 };
168
169 base_mac_address: base-mac-address {
170 #nvmem-cell-cells = <1>;
171 };
172 };
173 };
174 };
175 };
176
177 &ftm_alarm0 {
178 status = "okay";
179 };
180
181 &gpio1 {
182 gpio-line-names =
183 "", "", "", "", "", "", "", "",
184 "", "", "", "", "", "", "", "",
185 "", "", "", "", "", "", "TDO", "TCK",
186 "", "", "", "", "", "", "", "";
187 };
188
189 &gpio2 {
190 gpio-line-names =
191 "", "", "", "", "", "", "TMS", "TDI",
192 "", "", "", "", "", "", "", "",
193 "", "", "", "", "", "", "", "",
194 "", "", "", "", "", "", "", "";
195 };
196
197 &i2c0 {
198 status = "okay";
199
200 rtc: rtc@32 {
201 compatible = "microcrystal,rv8803";
202 reg = <0x32>;
203 };
204
205 sl28cpld@4a {
206 compatible = "kontron,sl28cpld";
207 reg = <0x4a>;
208 #address-cells = <1>;
209 #size-cells = <0>;
210
211 watchdog@4 {
212 compatible = "kontron,sl28cpld-wdt";
213 reg = <0x4>;
214 kontron,assert-wdt-timeout-pin;
215 };
216
217 hwmon@b {
218 compatible = "kontron,sl28cpld-fan";
219 reg = <0xb>;
220 };
221
222 sl28cpld_pwm0: pwm@c {
223 compatible = "kontron,sl28cpld-pwm";
224 reg = <0xc>;
225 #pwm-cells = <2>;
226 };
227
228 sl28cpld_pwm1: pwm@e {
229 compatible = "kontron,sl28cpld-pwm";
230 reg = <0xe>;
231 #pwm-cells = <2>;
232 };
233
234 sl28cpld_gpio0: gpio@10 {
235 compatible = "kontron,sl28cpld-gpio";
236 reg = <0x10>;
237 interrupts-extended = <&gpio2 6
238 IRQ_TYPE_EDGE_FALLING>;
239
240 gpio-controller;
241 #gpio-cells = <2>;
242 gpio-line-names =
243 "GPIO0_CAM0_PWR_N", "GPIO1_CAM1_PWR_N",
244 "GPIO2_CAM0_RST_N", "GPIO3_CAM1_RST_N",
245 "GPIO4_HDA_RST_N", "GPIO5_PWM_OUT",
246 "GPIO6_TACHIN", "GPIO7";
247
248 interrupt-controller;
249 #interrupt-cells = <2>;
250 };
251
252 sl28cpld_gpio1: gpio@15 {
253 compatible = "kontron,sl28cpld-gpio";
254 reg = <0x15>;
255 interrupts-extended = <&gpio2 6
256 IRQ_TYPE_EDGE_FALLING>;
257
258 gpio-controller;
259 #gpio-cells = <2>;
260 gpio-line-names =
261 "GPIO8", "GPIO9", "GPIO10", "GPIO11",
262 "", "", "", "";
263
264 interrupt-controller;
265 #interrupt-cells = <2>;
266 };
267
268 sl28cpld_gpio2: gpio@1a {
269 compatible = "kontron,sl28cpld-gpo";
270 reg = <0x1a>;
271
272 gpio-controller;
273 #gpio-cells = <2>;
274 gpio-line-names =
275 "LCD0 voltage enable",
276 "LCD0 backlight enable",
277 "eMMC reset", "LVDS bridge reset",
278 "LVDS bridge power-down",
279 "SDIO power enable",
280 "", "";
281 };
282
283 sl28cpld_gpio3: gpio@1b {
284 compatible = "kontron,sl28cpld-gpi";
285 reg = <0x1b>;
286
287 gpio-controller;
288 #gpio-cells = <2>;
289 gpio-line-names =
290 "Power button", "Force recovery", "Sleep",
291 "Battery low", "Lid state", "Charging",
292 "Charger present", "";
293 };
294
295 sl28cpld_intc: interrupt-controller@1c {
296 compatible = "kontron,sl28cpld-intc";
297 reg = <0x1c>;
298 interrupts-extended = <&gpio2 6
299 IRQ_TYPE_EDGE_FALLING>;
300
301 interrupt-controller;
302 #interrupt-cells = <2>;
303 };
304 };
305
306 eeprom@50 {
307 compatible = "atmel,24c32";
308 reg = <0x50>;
309 pagesize = <32>;
310 };
311 };
312
313 &i2c3 {
314 status = "okay";
315 };
316
317 &i2c4 {
318 status = "okay";
319
320 eeprom@50 {
321 compatible = "atmel,24c32";
322 reg = <0x50>;
323 pagesize = <32>;
324 };
325 };
326
327 &lpuart1 {
328 status = "okay";
329 };
330
331 &mscc_felix_port4 {
332 dsa-tag-protocol = "ocelot-8021q";
333 };
334
335 &mscc_felix_port5 {
336 dsa-tag-protocol = "ocelot-8021q";
337 };
338
339 &usb0 {
340 status = "okay";
341 };
342
343 &usb1 {
344 dr_mode = "host";
345 status = "okay";
346 };
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