1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2020 Stephan Gerhold
4 */
5
6 /dts-v1/;
7
8 #include "msm8916-pm8916.dtsi"
9 #include "msm8916-modem-qdsp6.dtsi"
10
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/leds/common.h>
14
15 / {
16 model = "Xiaomi Redmi 2 (Wingtech WT88047)";
17 compatible = "wingtech,wt88047", "qcom,msm8916";
18 chassis-type = "handset";
19
20 aliases {
21 mmc0 = &sdhc_1; /* eMMC */
22 mmc1 = &sdhc_2; /* SD card */
23 serial0 = &blsp_uart2;
24 };
25
26 chosen {
27 stdout-path = "serial0";
28 };
29
30 speaker_amp: audio-amplifier {
31 compatible = "simple-audio-amplifier";
32 enable-gpios = <&tlmm 117 GPIO_ACTIVE_HIGH>;
33 sound-name-prefix = "Speaker Amp";
34 pinctrl-0 = <&speaker_amp_default>;
35 pinctrl-names = "default";
36 };
37
38 /*
39 * This seems to be actually an analog switch that either routes audio
40 * to the headphone jack or nowhere. Given that we need to enable a GPIO
41 * to get sound on headphones, modelling it as simple-audio-amplifier
42 * works just fine.
43 */
44 headphones_switch: audio-switch {
45 compatible = "simple-audio-amplifier";
46 enable-gpios = <&tlmm 8 GPIO_ACTIVE_HIGH>;
47 sound-name-prefix = "Headphones Switch";
48 pinctrl-0 = <&headphones_switch_default>;
49 pinctrl-names = "default";
50 };
51
52 flash-led-controller {
53 compatible = "ocs,ocp8110";
54 enable-gpios = <&tlmm 31 GPIO_ACTIVE_HIGH>;
55 flash-gpios = <&tlmm 32 GPIO_ACTIVE_HIGH>;
56
57 pinctrl-names = "default";
58 pinctrl-0 = <&camera_flash_default>;
59
60 flash_led: led {
61 function = LED_FUNCTION_FLASH;
62 color = <LED_COLOR_ID_WHITE>;
63 };
64 };
65
66 gpio-keys {
67 compatible = "gpio-keys";
68
69 pinctrl-names = "default";
70 pinctrl-0 = <&gpio_keys_default>;
71
72 label = "GPIO Buttons";
73
74 button-volume-up {
75 label = "Volume Up";
76 gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
77 linux,code = <KEY_VOLUMEUP>;
78 };
79 };
80
81 usb_id: usb-id {
82 compatible = "linux,extcon-usb-gpio";
83 id-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
84 pinctrl-names = "default";
85 pinctrl-0 = <&usb_id_default>;
86 };
87 };
88
89 &blsp_i2c2 {
90 status = "okay";
91
92 imu@68 {
93 compatible = "invensense,mpu6880";
94 reg = <0x68>;
95
96 interrupt-parent = <&tlmm>;
97 interrupts = <115 IRQ_TYPE_EDGE_RISING>;
98
99 vdd-supply = <&pm8916_l17>;
100 vddio-supply = <&pm8916_l6>;
101
102 pinctrl-names = "default";
103 pinctrl-0 = <&imu_default>;
104
105 mount-matrix = "1", "0", "0",
106 "0", "-1", "0",
107 "0", "0", "1";
108 };
109 };
110
111 &blsp_i2c5 {
112 status = "okay";
113
114 touchscreen@38 {
115 /* Likely some other model but works just fine with this one */
116 compatible = "edt,edt-ft5506";
117 reg = <0x38>;
118
119 interrupt-parent = <&tlmm>;
120 interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
121
122 reset-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
123
124 vcc-supply = <&pm8916_l17>;
125 iovcc-supply = <&pm8916_l6>;
126
127 touchscreen-size-x = <720>;
128 touchscreen-size-y = <1280>;
129
130 pinctrl-names = "default";
131 pinctrl-0 = <&touchscreen_default>;
132 };
133 };
134
135 &blsp_i2c6 {
136 status = "okay";
137
138 led-controller@45 {
139 compatible = "awinic,aw2013";
140 reg = <0x45>;
141 #address-cells = <1>;
142 #size-cells = <0>;
143
144 vcc-supply = <&pm8916_l16>;
145 vio-supply = <&pm8916_l5>;
146
147 led@0 {
148 reg = <0>;
149 led-max-microamp = <15000>;
150 function = LED_FUNCTION_INDICATOR;
151 color = <LED_COLOR_ID_RED>;
152 };
153
154 led@1 {
155 reg = <1>;
156 led-max-microamp = <15000>;
157 function = LED_FUNCTION_INDICATOR;
158 color = <LED_COLOR_ID_GREEN>;
159 };
160
161 led@2 {
162 reg = <2>;
163 led-max-microamp = <15000>;
164 function = LED_FUNCTION_INDICATOR;
165 color = <LED_COLOR_ID_BLUE>;
166 };
167 };
168 };
169
170 &blsp_uart2 {
171 status = "okay";
172 };
173
174 &mpss_mem {
175 reg = <0x0 0x86800000 0x0 0x5100000>;
176 };
177
178 &pm8916_codec {
179 qcom,micbias1-ext-cap;
180 qcom,micbias-lvl = <2800>;
181 qcom,mbhc-vthreshold-low = <75 100 120 180 500>;
182 qcom,mbhc-vthreshold-high = <75 100 120 180 500>;
183 qcom,hphl-jack-type-normally-open;
184 };
185
186 &pm8916_resin {
187 status = "okay";
188 linux,code = <KEY_VOLUMEDOWN>;
189 };
190
191 &pm8916_rpm_regulators {
192 pm8916_l16: l16 {
193 /*
194 * L16 is only used for AW2013 which is fine with 2.5-3.3V.
195 * Use the recommended typical voltage of 2.8V as minimum.
196 */
197 regulator-min-microvolt = <2800000>;
198 regulator-max-microvolt = <3300000>;
199 };
200
201 pm8916_l17: l17 {
202 regulator-min-microvolt = <2850000>;
203 regulator-max-microvolt = <2850000>;
204 };
205 };
206
207 &pm8916_vib {
208 status = "okay";
209 };
210
211 &sdhc_1 {
212 status = "okay";
213 };
214
215 &sdhc_2 {
216 status = "okay";
217 non-removable;
218 };
219
220 &sound {
221 /*
222 * Provide widgets/pin-switches to allow enabling speaker and headphones
223 * separately. Both are routed via the HPH_L/HPH_R pins of the codec.
224 */
225 model = "wt88047";
226 widgets =
227 "Speaker", "Speaker",
228 "Headphone", "Headphones";
229 pin-switches = "Speaker", "Headphones";
230 audio-routing =
231 "Speaker", "Speaker Amp OUTL",
232 "Speaker", "Speaker Amp OUTR",
233 "Speaker Amp INL", "HPH_R",
234 "Speaker Amp INR", "HPH_R",
235 "Headphones", "Headphones Switch OUTL",
236 "Headphones", "Headphones Switch OUTR",
237 "Headphones Switch INL", "HPH_L",
238 "Headphones Switch INR", "HPH_R",
239 "AMIC1", "MIC BIAS External1",
240 "AMIC2", "MIC BIAS Internal2";
241 aux-devs = <&speaker_amp>, <&headphones_switch>;
242 };
243
244 &usb {
245 status = "okay";
246 extcon = <&usb_id>, <&usb_id>;
247 };
248
249 &usb_hs_phy {
250 extcon = <&usb_id>;
251 };
252
253 &venus {
254 status = "okay";
255 };
256
257 &venus_mem {
258 status = "okay";
259 };
260
261 &wcnss {
262 status = "okay";
263 };
264
265 &wcnss_iris {
266 compatible = "qcom,wcn3620";
267 };
268
269 &wcnss_mem {
270 status = "okay";
271 };
272
273 &tlmm {
274 camera_flash_default: camera-flash-default-state {
275 pins = "gpio31", "gpio32";
276 function = "gpio";
277
278 drive-strength = <2>;
279 bias-disable;
280 };
281
282 gpio_keys_default: gpio-keys-default-state {
283 pins = "gpio107";
284 function = "gpio";
285
286 drive-strength = <2>;
287 bias-pull-up;
288 };
289
290 headphones_switch_default: headphones-switch-default-state {
291 pins = "gpio8";
292 function = "gpio";
293 drive-strength = <2>;
294 bias-disable;
295 };
296
297 imu_default: imu-default-state {
298 pins = "gpio115";
299 function = "gpio";
300
301 drive-strength = <2>;
302 bias-disable;
303 };
304
305 speaker_amp_default: speaker-amp-default-state {
306 pins = "gpio117";
307 function = "gpio";
308 drive-strength = <2>;
309 bias-disable;
310 };
311
312 touchscreen_default: touchscreen-default-state {
313 touchscreen-pins {
314 pins = "gpio13";
315 function = "gpio";
316
317 drive-strength = <2>;
318 bias-pull-up;
319 };
320 reset-pins {
321 pins = "gpio12";
322 function = "gpio";
323
324 drive-strength = <2>;
325 bias-disable;
326 };
327 };
328
329 usb_id_default: usb-id-default-state {
330 pins = "gpio110";
331 function = "gpio";
332
333 drive-strength = <8>;
334 bias-pull-up;
335 };
336 };
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