1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 //
3 // Device Tree Source for General Electric B1x5Pv2
4 // patient monitor series
5 //
6 // Copyright 2018-2021 General Electric Company
7 // Copyright 2018-2021 Collabora
8
9 #include <dt-bindings/input/input.h>
10 #include "imx6dl-qmx6.dtsi"
11
12 / {
13 chosen {
14 stdout-path = &uart3;
15 };
16
17 /* Do not allow frequencies above 800MHz */
18 cpus {
19 cpu@0 {
20 operating-points = <
21 /* kHz uV */
22 792000 1175000
23 396000 1150000
24 >;
25 fsl,soc-operating-points = <
26 /* ARM kHz SOC-PU uV */
27 792000 1175000
28 396000 1175000
29 >;
30 };
31
32 cpu@1 {
33 operating-points = <
34 /* kHz uV */
35 792000 1175000
36 396000 1150000
37 >;
38 fsl,soc-operating-points = <
39 /* ARM kHz SOC-PU uV */
40 792000 1175000
41 396000 1175000
42 >;
43 };
44 };
45
46 reg_syspwr: regulator-12v {
47 compatible = "regulator-fixed";
48 regulator-name = "SYS_PWR";
49 regulator-min-microvolt = <12000000>;
50 regulator-max-microvolt = <12000000>;
51 };
52
53 reg_5v_pmc: regulator-5v-pmc {
54 compatible = "regulator-fixed";
55 regulator-name = "5V PMC";
56 regulator-min-microvolt = <5000000>;
57 regulator-max-microvolt = <5000000>;
58 vin-supply = <®_syspwr>;
59 };
60
61 reg_5v: regulator-5v {
62 compatible = "regulator-fixed";
63 regulator-name = "5V";
64 regulator-min-microvolt = <5000000>;
65 regulator-max-microvolt = <5000000>;
66 vin-supply = <®_syspwr>;
67 };
68
69 reg_3v3: regulator-3v3 {
70 compatible = "regulator-fixed";
71 regulator-name = "3V3";
72 regulator-min-microvolt = <3300000>;
73 regulator-max-microvolt = <3300000>;
74 vin-supply = <®_syspwr>;
75 };
76
77 reg_5v0_audio: regulator-5v0-audio {
78 compatible = "regulator-fixed";
79 regulator-name = "5V0_AUDIO";
80 regulator-min-microvolt = <5000000>;
81 regulator-max-microvolt = <5000000>;
82 vin-supply = <®_5v>;
83 gpio = <&tca6424a 16 GPIO_ACTIVE_HIGH>;
84 enable-active-high;
85 /*
86 * This must be always-on for da7212, which has some not
87 * properly documented dependencies for it's speaker supply
88 * pin. The issue manifests as speaker volume being very low.
89 */
90 regulator-always-on;
91 };
92
93
94 reg_3v3_audio: regulator-3v3-audio {
95 compatible = "regulator-fixed";
96 regulator-name = "3V3_AUDIO";
97 regulator-min-microvolt = <3300000>;
98 regulator-max-microvolt = <3300000>;
99 vin-supply = <®_3v3>;
100 pinctrl-0 = <&pinctrl_q7_hda_reset>;
101 pinctrl-names = "default";
102 gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>;
103 enable-active-high;
104 };
105
106 reg_2v5_audio: regulator-2v5-audio {
107 compatible = "regulator-fixed";
108 regulator-name = "2V5_AUDIO";
109 regulator-min-microvolt = <2500000>;
110 regulator-max-microvolt = <2500000>;
111 regulator-always-on;
112 vin-supply = <®_3v3_audio>;
113
114 };
115
116 reg_wlan: regulator-wlan {
117 compatible = "regulator-fixed";
118 regulator-name = "WLAN";
119 regulator-min-microvolt = <3300000>;
120 regulator-max-microvolt = <3300000>;
121 vin-supply = <®_3v3>;
122 pinctrl-names = "default";
123 pinctrl-0 = <&pinctrl_q7_sdio_power>;
124 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
125 enable-active-high;
126 startup-delay-us = <70000>;
127 };
128
129 reg_bl: regulator-backlight {
130 compatible = "regulator-fixed";
131 regulator-name = "LED_VCC";
132 regulator-min-microvolt = <12000000>;
133 regulator-max-microvolt = <12000000>;
134 vin-supply = <®_syspwr>;
135 pinctrl-0 = <&pinctrl_q7_lcd_power>;
136 pinctrl-names = "default";
137 gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
138 enable-active-high;
139 };
140
141 reg_lcd: regulator-lcd {
142 compatible = "regulator-fixed";
143 regulator-name = "LCD_5V";
144 regulator-min-microvolt = <5000000>;
145 regulator-max-microvolt = <5000000>;
146 vin-supply = <®_5v>;
147 };
148
149 usb_power: regulator-usb-power {
150 compatible = "regulator-fixed";
151 regulator-name = "USB POWER";
152 regulator-min-microvolt = <5000000>;
153 regulator-max-microvolt = <5000000>;
154 vin-supply = <®_5v>;
155 };
156
157 charger: battery-charger {
158 compatible = "gpio-charger"; /* ti,bq24172 */
159 charger-type = "mains";
160 gpios = <&tca6424a 3 GPIO_ACTIVE_LOW>;
161 charge-current-limit-gpios = <&tca6424a 11 GPIO_ACTIVE_HIGH>,
162 <&tca6424a 12 GPIO_ACTIVE_HIGH>;
163 charge-current-limit-mapping = <1300000 0x0>,
164 <700000 0x1>,
165 <0 0x2>;
166 charge-status-gpios = <&tca6424a 6 GPIO_ACTIVE_HIGH>;
167 };
168
169 poweroff {
170 compatible = "gpio-poweroff";
171 pinctrl-names = "default";
172 pinctrl-0 = <&pinctrl_q7_spi_cs1>;
173 gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;
174 };
175
176 power-button-key {
177 compatible = "gpio-keys";
178 pinctrl-names = "default";
179 pinctrl-0 = <&pinctrl_q7_sleep_button>;
180
181 power-button {
182 label = "power button";
183 gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
184 linux,code = <KEY_POWER>;
185 };
186 };
187
188 rotary-encoder-key {
189 compatible = "gpio-keys";
190
191 rotary-encoder-event {
192 label = "rotary-encoder press";
193 gpios = <&tca6424a 0 GPIO_ACTIVE_HIGH>;
194 linux,code = <KEY_ENTER>;
195 linux,can-disable;
196 };
197 };
198
199 rotary-encoder {
200 compatible = "rotary-encoder";
201 pinctrl-names = "default";
202 pinctrl-0 = <&pinctrl_q7_gpio2 &pinctrl_q7_gpio4>;
203 gpios = <&gpio4 26 GPIO_ACTIVE_LOW>, <&gpio1 0 GPIO_ACTIVE_LOW>;
204 rotary-encoder,relative-axis;
205 rotary-encoder,steps-per-period = <2>;
206 wakeup-source;
207 };
208
209 leds {
210 compatible = "gpio-leds";
211 pinctrl-names = "default";
212 pinctrl-0 = <&pinctrl_q7_gpio1 &pinctrl_q7_gpio3 &pinctrl_q7_gpio5>;
213
214 led-alarm1 {
215 label = "alarm:red";
216 gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
217 };
218
219 led-alarm2 {
220 label = "alarm:yellow";
221 gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>;
222 };
223
224 led-alarm3 {
225 label = "alarm:blue";
226 gpios = <&gpio4 15 GPIO_ACTIVE_HIGH>;
227 };
228 };
229
230 backlight: backlight {
231 compatible = "pwm-backlight";
232 pinctrl-names = "default";
233 pinctrl-0 = <&pinctrl_q7_backlight_enable>;
234 power-supply = <®_bl>;
235 pwms = <&pwm4 0 5000000 0>;
236 brightness-levels = <0 255>;
237 num-interpolated-steps = <255>;
238 default-brightness-level = <179>;
239 enable-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
240 };
241
242 panel {
243 backlight = <&backlight>;
244 power-supply = <®_lcd>;
245
246 port {
247 panel_in: endpoint {
248 remote-endpoint = <&lvds0_out>;
249 };
250 };
251 };
252
253 sound {
254 compatible = "simple-audio-card";
255 simple-audio-card,name = "audio-card";
256 simple-audio-card,format = "i2s";
257 simple-audio-card,bitclock-master = <&dailink_master>;
258 simple-audio-card,frame-master = <&dailink_master>;
259 simple-audio-card,widgets = "Speaker", "Ext Spk";
260 simple-audio-card,routing = "Ext Spk", "LINE";
261
262 simple-audio-card,cpu {
263 sound-dai = <&ssi1>;
264 };
265
266 dailink_master: simple-audio-card,codec {
267 sound-dai = <&codec>;
268 };
269 };
270
271 clk_ext_audio_codec: clock-codec {
272 compatible = "fixed-clock";
273 #clock-cells = <0>;
274 clock-frequency = <12288000>;
275 };
276 };
277
278 &audmux {
279 status = "okay";
280 };
281
282 &fec {
283 status = "okay";
284 };
285
286 &hdmi {
287 status = "okay";
288 };
289
290 &i2c1 {
291 battery: battery@b {
292 compatible = "ti,bq20z65", "sbs,sbs-battery";
293 reg = <0x0b>;
294 sbs,battery-detect-gpios = <&tca6424a 5 GPIO_ACTIVE_LOW>;
295 sbs,i2c-retry-count = <5>;
296 power-supplies = <&charger>;
297 };
298
299 codec: audio-codec@1a {
300 compatible = "dlg,da7212";
301 reg = <0x1a>;
302 #sound-dai-cells = <0>;
303 VDDA-supply = <®_2v5_audio>;
304 VDDSP-supply = <®_5v0_audio>;
305 VDDMIC-supply = <®_3v3_audio>;
306 VDDIO-supply = <®_3v3_audio>;
307 clocks = <&clk_ext_audio_codec>;
308 clock-names = "mclk";
309 };
310 };
311
312 &i2c5 {
313 tca6424a: gpio-controller@22 {
314 compatible = "ti,tca6424";
315 reg = <0x22>;
316 gpio-controller;
317 #gpio-cells = <2>;
318 vcc-supply = <®_3v3>;
319 interrupt-parent = <&gpio7>;
320 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
321 pinctrl-names = "default";
322 pinctrl-0 = <&pinctrl_q7_gpio6>;
323 interrupt-controller;
324 #interrupt-cells = <2>;
325 gpio-line-names = "GPIO_ROTOR#", "ACM_IO_INT", "TMP_SENSOR_IRQ", "AC_IN",
326 "TF_S", "BATT_T", "LED_INC_CHAR", "ACM1_OCF",
327 "ACM2_OCF", "ACM_IO_RST", "USB1_POWER_EN", "EGPIO_CC_CTL0",
328 "EGPIO_CC_CTL1", "12V_OEMNBP_EN", "CP2105_RST", "",
329 "SPEAKER_PA_EN", "ARM7_UPI_RESET", "ARM7_PWR_RST", "NURSE_CALL",
330 "MARKER_EN", "EGPIO_TOUCH_RST", "PRESSURE_INT1", "PRESSURE_INT2";
331
332 };
333
334 tmp75: temperature-sensor@48 {
335 compatible = "ti,tmp75";
336 reg = <0x48>;
337 vs-supply = <®_3v3>;
338 interrupt-parent = <&tca6424a>;
339 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
340 };
341 };
342
343 &ldb {
344 status = "okay";
345
346 lvds0: lvds-channel@0 {
347 status = "okay";
348 fsl,data-mapping = "spwg";
349 fsl,data-width = <24>;
350
351 port@4 {
352 reg = <4>;
353
354 lvds0_out: endpoint {
355 remote-endpoint = <&panel_in>;
356 };
357 };
358 };
359 };
360
361 &pwm4 {
362 status = "okay";
363 };
364
365 &ssi1 {
366 fsl,mode = "i2s-slave";
367 status = "okay";
368 };
369
370 &usbotg {
371 vbus-supply = <&usb_power>;
372 disable-over-current;
373 dr_mode = "host";
374 status = "okay";
375
376 /*
377 * TPS2051BDGN fault-gpio is connected to Q7[86] USB_0_1_OC_N.
378 * On QMX6 this is not connceted to the i.MX6, but to the USB Hub
379 * from &usbh1. This means, that we cannot easily detect and handle
380 * over-current events. Fortunately the regulator limits the current
381 * automatically, so the hardware is still protected.
382 */
383 };
384
385 &usdhc4 {
386 /* WiFi module */
387 pinctrl-names = "default";
388 pinctrl-0 = <&pinctrl_usdhc4>;
389 bus-width = <4>;
390 no-1-8-v;
391 non-removable;
392 wakeup-source;
393 keep-power-in-suspend;
394 cap-power-off-card;
395 max-frequency = <25000000>;
396 vmmc-supply = <®_wlan>;
397 #address-cells = <1>;
398 #size-cells = <0>;
399 status = "okay";
400
401 wlcore: wlcore@2 {
402 compatible = "ti,wl1837";
403 reg = <2>;
404
405 pinctrl-names = "default";
406 pinctrl-0 = <&pinctrl_q7_gpio7>;
407
408 interrupt-parent = <&gpio4>;
409 interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
410
411 tcxo-clock-frequency = <26000000>;
412 };
413 };
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