1 // SPDX-License-Identifier: BSD-3-Clause
2 /*
3 * Copyright (c) 2020, Konrad Dybcio <konrad.dybcio@somainline.org>
4 */
5
6 #include "msm8994.dtsi"
7 #include "pm8994.dtsi"
8 #include "pmi8994.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/input/gpio-keys.h>
11
12 / {
13 /* required for bootloader to select correct board */
14
15 /*
16 * We support MSM8994 v2 (0x20000) and v2.1 (0x20001).
17 * The V1 chip (0x0 and 0x10000) is significantly different
18 * and requires driver-side changes (including CPR, be warned!!).
19 * Besides that, it's very rare.
20 */
21 qcom,msm-id = <207 0x20000>, <207 0x20001>;
22 /* We only use pm8994+pmi8994. */
23 qcom,pmic-id = <0x10009 0x1000a 0x00 0x00>;
24 /* This property is shared across all kitakami devices. */
25 qcom,board-id = <8 0>;
26
27 /* Kitakami firmware doesn't support PSCI */
28 /delete-node/ psci;
29
30 gpio-keys {
31 compatible = "gpio-keys";
32 autorepeat;
33
34 button-0 {
35 label = "Volume Down";
36 gpios = <&pm8994_gpios 2 GPIO_ACTIVE_LOW>;
37 linux,input-type = <1>;
38 linux,code = <KEY_VOLUMEDOWN>;
39 wakeup-source;
40 debounce-interval = <15>;
41 };
42
43 button-1 {
44 label = "Volume Up";
45 gpios = <&pm8994_gpios 3 GPIO_ACTIVE_LOW>;
46 linux,input-type = <1>;
47 linux,code = <KEY_VOLUMEUP>;
48 wakeup-source;
49 debounce-interval = <15>;
50 };
51
52 button-2 {
53 label = "Camera Snapshot";
54 gpios = <&pm8994_gpios 4 GPIO_ACTIVE_LOW>;
55 linux,input-type = <1>;
56 linux,code = <KEY_CAMERA>;
57 wakeup-source;
58 debounce-interval = <15>;
59 };
60
61 button-3 {
62 label = "Camera Focus";
63 gpios = <&pm8994_gpios 5 GPIO_ACTIVE_LOW>;
64 linux,input-type = <1>;
65 linux,code = <KEY_VOLUMEUP>;
66 wakeup-source;
67 debounce-interval = <15>;
68 };
69 };
70
71 reserved-memory {
72 /* This is for getting crash logs using Android downstream kernels */
73 ramoops@1fe00000 {
74 compatible = "ramoops";
75 reg = <0 0x1fe00000 0 0x200000>;
76 console-size = <0x100000>;
77 record-size = <0x10000>;
78 ftrace-size = <0x10000>;
79 pmsg-size = <0x80000>;
80 };
81
82 fb_region: fb@40000000 {
83 reg = <0 0x40000000 0 0x1000000>;
84 no-map;
85 };
86
87 tzapp: memory@c7800000 {
88 reg = <0 0xc7800000 0 0x1900000>;
89 no-map;
90 };
91 };
92 };
93
94 &blsp1_spi1 {
95 status = "okay";
96
97 /* FPC fingerprint reader */
98 };
99
100 /* I2C1 is disabled on this board */
101
102 &blsp1_i2c2 {
103 status = "okay";
104 clock-frequency = <355000>;
105
106 /* NXP PN547 NFC */
107 };
108
109 &blsp1_i2c6 {
110 status = "okay";
111 clock-frequency = <355000>;
112
113 touchscreen: rmi4-i2c-dev@2c {
114 compatible = "syna,rmi4-i2c";
115 reg = <0x2c>;
116 #address-cells = <1>;
117 #size-cells = <0>;
118
119 interrupt-parent = <&tlmm>;
120 interrupts = <42 IRQ_TYPE_EDGE_FALLING>;
121
122 pinctrl-names = "default";
123 pinctrl-0 = <&ts_int_active &ts_reset_active>;
124
125 vdd-supply = <&pm8994_l22>;
126 vio-supply = <&pm8994_s4>;
127
128 syna,reset-delay-ms = <220>;
129 syna,startup-delay-ms = <220>;
130
131 rmi4-f01@1 {
132 reg = <0x01>;
133 syna,nosleep-mode = <1>;
134 };
135
136 rmi4-f11@11 {
137 reg = <0x11>;
138 syna,sensor-type = <1>;
139 };
140 };
141 };
142
143 &blsp1_uart2 {
144 status = "okay";
145 };
146
147 &blsp2_i2c5 {
148 status = "okay";
149 clock-frequency = <355000>;
150
151 /* sii8620 HDMI/MHL bridge */
152 };
153
154 &blsp2_uart2 {
155 status = "okay";
156 };
157
158 /*
159 * Kitakami bootloader only turns cont_splash on when it detects
160 * specific downstream MDSS/backlight nodes in the active DTB.
161 * One way to use that framebuffer is to load a secondary instance of
162 * LK with the downstream DTB appended and then, only from there, load
163 * mainline Linux.
164 */
165 &cont_splash_mem {
166 reg = <0 0x03401000 0 0x2200000>;
167 };
168
169 &pmi8994_spmi_regulators {
170 /*
171 * Yeah, this one *is* managed by RPMPD, but also needs
172 * to be hacked up as a-o due to the GPU device only accepting a single
173 * power domain.. which still isn't enough and forces us to bind
174 * OXILI_CX and OXILI_GX together!
175 */
176 vdd_gfx: s2 {
177 regulator-name = "VDD_GFX";
178 regulator-min-microvolt = <980000>;
179 regulator-max-microvolt = <980000>;
180
181 /* hack until we rig up the gpu consumer */
182 regulator-always-on;
183 };
184 };
185
186 &rpm_requests {
187 /* PMI8994 should probe first, because pmi8994_bby supplies some of PM8994's regulators */
188 pmi8994_regulators: regulators-0 {
189 compatible = "qcom,rpm-pmi8994-regulators";
190
191 vdd_s1-supply = <&vph_pwr>;
192 vdd_bst_byp-supply = <&vph_pwr>;
193
194 pmi8994_s1: s1 {
195 regulator-min-microvolt = <1025000>;
196 regulator-max-microvolt = <1025000>;
197 };
198
199 /* S2 & S3 - VDD_GFX */
200
201 pmi8994_bby: boost-bypass {
202 regulator-min-microvolt = <3150000>;
203 regulator-max-microvolt = <3600000>;
204 };
205 };
206
207 pm8994_regulators: regulators-1 {
208 compatible = "qcom,rpm-pm8994-regulators";
209
210 vdd_s3-supply = <&vph_pwr>;
211 vdd_s4-supply = <&vph_pwr>;
212 vdd_s5-supply = <&vph_pwr>;
213 vdd_s6-supply = <&vph_pwr>;
214 vdd_s7-supply = <&vph_pwr>;
215 vdd_l1-supply = <&pmi8994_s1>;
216 vdd_l2_l26_l28-supply = <&pm8994_s3>;
217 vdd_l3_l11-supply = <&pm8994_s3>;
218 vdd_l4_l27_l31-supply = <&pm8994_s3>;
219 vdd_l6_l12_l32-supply = <&pm8994_s5>;
220 vdd_l8_l16_l30-supply = <&vph_pwr>;
221 vdd_l9_l10_l18_l22-supply = <&pmi8994_bby>;
222 vdd_l13_l19_l23_l24-supply = <&pmi8994_bby>;
223 vdd_l14_l15-supply = <&pm8994_s5>;
224 vdd_l17_l29-supply = <&pmi8994_bby>;
225 vdd_l20_l21-supply = <&pmi8994_bby>;
226 vdd_l25-supply = <&pm8994_s3>;
227 vdd_lvs1_2-supply = <&pm8994_s4>;
228
229 /* S1, S2, S6 and S12 are managed by RPMPD */
230
231 pm8994_s3: s3 {
232 regulator-min-microvolt = <1300000>;
233 regulator-max-microvolt = <1300000>;
234 };
235
236 pm8994_s4: s4 {
237 regulator-min-microvolt = <1800000>;
238 regulator-max-microvolt = <1800000>;
239 regulator-system-load = <325000>;
240 regulator-allow-set-load;
241 regulator-always-on;
242 };
243
244 pm8994_s5: s5 {
245 regulator-min-microvolt = <2150000>;
246 regulator-max-microvolt = <2150000>;
247 };
248
249 pm8994_s7: s7 {
250 regulator-min-microvolt = <1000000>;
251 regulator-max-microvolt = <1000000>;
252 };
253
254 /*
255 * S8 - SPMI-managed VDD_APC0
256 * S9, S10 and S11 (the main one) - SPMI-managed VDD_APC1
257 */
258
259 pm8994_l1: l1 {
260 regulator-min-microvolt = <1000000>;
261 regulator-max-microvolt = <1000000>;
262 };
263
264 pm8994_l2: l2 {
265 regulator-min-microvolt = <1250000>;
266 regulator-max-microvolt = <1250000>;
267 regulator-system-load = <10000>;
268 regulator-allow-set-load;
269 };
270
271 pm8994_l3: l3 {
272 regulator-min-microvolt = <1100000>;
273 regulator-max-microvolt = <1100000>;
274 regulator-boot-on;
275 };
276
277 pm8994_l4: l4 {
278 regulator-min-microvolt = <1225000>;
279 regulator-max-microvolt = <1225000>;
280 };
281
282 /* L5 is inaccessible from RPM */
283
284 pm8994_l6: l6 {
285 regulator-min-microvolt = <1800000>;
286 regulator-max-microvolt = <1800000>;
287 };
288
289 /* L7 is inaccessible from RPM */
290
291 pm8994_l8: l8 {
292 regulator-min-microvolt = <1800000>;
293 regulator-max-microvolt = <1800000>;
294 };
295
296 pm8994_l9: l9 {
297 regulator-min-microvolt = <1800000>;
298 regulator-max-microvolt = <1800000>;
299 };
300
301 pm8994_l10: l10 {
302 regulator-min-microvolt = <1800000>;
303 regulator-max-microvolt = <1800000>;
304 };
305
306 pm8994_l11: l11 {
307 regulator-min-microvolt = <1200000>;
308 regulator-max-microvolt = <1200000>;
309 };
310
311 pm8994_l12: l12 {
312 regulator-min-microvolt = <1800000>;
313 regulator-max-microvolt = <1800000>;
314 regulator-system-load = <10000>;
315 regulator-allow-set-load;
316 };
317
318 pm8994_l13: l13 {
319 regulator-min-microvolt = <1800000>;
320 regulator-max-microvolt = <2950000>;
321 };
322
323 pm8994_l14: l14 {
324 regulator-min-microvolt = <1800000>;
325 regulator-max-microvolt = <1800000>;
326 regulator-system-load = <10000>;
327 regulator-allow-set-load;
328 regulator-boot-on;
329 };
330
331 pm8994_l15: l15 {
332 regulator-min-microvolt = <1800000>;
333 regulator-max-microvolt = <1800000>;
334 };
335
336 pm8994_l16: l16 {
337 regulator-min-microvolt = <2700000>;
338 regulator-max-microvolt = <2700000>;
339 };
340
341 pm8994_l17: l17 {
342 regulator-min-microvolt = <2200000>;
343 regulator-max-microvolt = <2200000>;
344 regulator-boot-on;
345 };
346
347 pm8994_l18: l18 {
348 regulator-min-microvolt = <2850000>;
349 regulator-max-microvolt = <2850000>;
350 regulator-always-on;
351 regulator-boot-on;
352 };
353
354 pm8994_l19: l19 {
355 regulator-min-microvolt = <2850000>;
356 regulator-max-microvolt = <2850000>;
357 regulator-boot-on;
358 };
359
360 pm8994_l20: l20 {
361 regulator-min-microvolt = <2950000>;
362 regulator-max-microvolt = <2950000>;
363 regulator-system-load = <570000>;
364 regulator-allow-set-load;
365 };
366
367 pm8994_l21: l21 {
368 regulator-min-microvolt = <2950000>;
369 regulator-max-microvolt = <2950000>;
370 regulator-system-load = <800000>;
371 regulator-allow-set-load;
372 };
373
374 pm8994_l22: l22 {
375 regulator-min-microvolt = <3000000>;
376 regulator-max-microvolt = <3000000>;
377 regulator-boot-on;
378 };
379
380 pm8994_l23: l23 {
381 regulator-min-microvolt = <2800000>;
382 regulator-max-microvolt = <2800000>;
383 regulator-always-on;
384 regulator-boot-on;
385 };
386
387 pm8994_l24: l24 {
388 regulator-min-microvolt = <3075000>;
389 regulator-max-microvolt = <3150000>;
390 };
391
392 pm8994_l25: l25 {
393 regulator-min-microvolt = <1000000>;
394 regulator-max-microvolt = <1000000>;
395 regulator-boot-on;
396 };
397
398 pm8994_l26: l26 {
399 regulator-min-microvolt = <987500>;
400 regulator-max-microvolt = <987500>;
401 };
402
403 pm8994_l27: l27 {
404 regulator-min-microvolt = <1200000>;
405 regulator-max-microvolt = <1200000>;
406 regulator-boot-on;
407 };
408
409 pm8994_l28: l28 {
410 regulator-min-microvolt = <1000000>;
411 regulator-max-microvolt = <1000000>;
412 regulator-system-load = <10000>;
413 regulator-allow-set-load;
414 };
415
416 pm8994_l29: l29 {
417 regulator-min-microvolt = <2700000>;
418 regulator-max-microvolt = <2700000>;
419 regulator-boot-on;
420 };
421
422 pm8994_l30: l30 {
423 regulator-min-microvolt = <1800000>;
424 regulator-max-microvolt = <1800000>;
425 regulator-boot-on;
426 };
427
428 pm8994_l31: l31 {
429 regulator-min-microvolt = <1200000>;
430 regulator-max-microvolt = <1200000>;
431 regulator-system-load = <10000>;
432 regulator-allow-set-load;
433 };
434
435 pm8994_l32: l32 {
436 regulator-min-microvolt = <1800000>;
437 regulator-max-microvolt = <1800000>;
438 };
439
440 pm8994_lvs1: lvs1 {
441 regulator-boot-on;
442 };
443 pm8994_lvs2: lvs2 {
444 regulator-boot-on;
445 };
446 };
447 };
448
449 &sdhc1 {
450 /*
451 * There is an issue with the eMMC causing permanent
452 * damage to the card if a quirk isn't addressed.
453 * Until it's fixed, disable the MMC so as not to brick
454 * devices.
455 */
456 status = "disabled";
457
458 /*
459 * Downstream pushes 2.95V to the sdhci device,
460 * but upstream driver REALLY wants to make vmmc 1.8v
461 * cause of the hs400-1_8v mode. MMC works fine without
462 * that regulator, so let's not use it for now.
463 * vqmmc is also disabled cause driver stll complains.
464 *
465 * vmmc-supply = <&pm8994_l20>;
466 * vqmmc-supply = <&pm8994_s4>;
467 */
468 };
469
470 &sdhc2 {
471 status = "okay";
472
473 cd-gpios = <&tlmm 100 GPIO_ACTIVE_HIGH>;
474 vmmc-supply = <&pm8994_l21>;
475 vqmmc-supply = <&pm8994_l13>;
476 };
477
478 &tlmm {
479 ts_int_active: ts-int-active-state {
480 pins = "gpio42";
481 function = "gpio";
482 drive-strength = <2>;
483 bias-disable;
484 };
485
486 ts_reset_active: ts-reset-active-state {
487 pins = "gpio109";
488 function = "gpio";
489 drive-strength = <2>;
490 bias-disable;
491 output-low;
492 };
493 };
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