1 // SPDX-License-Identifier: GPL-2.0-only
2
3 /dts-v1/;
4
5 #include "msm8916-pm8916.dtsi"
6 #include "msm8916-modem-qdsp6.dtsi"
7
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/leds/common.h>
12
13 /*
14 * NOTE: The original firmware from Acer can only boot 32-bit kernels.
15 * To boot this device tree using arm64 it is necessary to flash 64-bit
16 * TZ/HYP firmware (e.g. taken from the DragonBoard 410c).
17 * See https://wiki.postmarketos.org/wiki/Acer_Iconia_Talk_S_(acer-a1-724)
18 * for suggested installation instructions.
19 */
20
21 / {
22 model = "Acer Iconia Talk S A1-724";
23 compatible = "acer,a1-724", "qcom,msm8916";
24 chassis-type = "tablet";
25
26 aliases {
27 mmc0 = &sdhc_1; /* eMMC */
28 mmc1 = &sdhc_2; /* SD card */
29 serial0 = &blsp_uart2;
30 };
31
32 chosen {
33 stdout-path = "serial0";
34 };
35
36 gpio-keys {
37 compatible = "gpio-keys";
38
39 pinctrl-names = "default";
40 pinctrl-0 = <&gpio_keys_default>;
41
42 label = "GPIO Buttons";
43
44 button-volume-up {
45 label = "Volume Up";
46 gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
47 linux,code = <KEY_VOLUMEUP>;
48 };
49 };
50
51 usb_id: usb-id {
52 compatible = "linux,extcon-usb-gpio";
53 id-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
54 pinctrl-names = "default";
55 pinctrl-0 = <&usb_id_default>;
56 };
57 };
58
59 &blsp_i2c2 {
60 status = "okay";
61
62 accelerometer@10 {
63 compatible = "bosch,bmc150_accel";
64 reg = <0x10>;
65 interrupt-parent = <&tlmm>;
66 interrupts = <115 IRQ_TYPE_EDGE_RISING>;
67
68 vdd-supply = <&pm8916_l17>;
69 vddio-supply = <&pm8916_l6>;
70
71 pinctrl-names = "default";
72 pinctrl-0 = <&accel_int_default>;
73
74 mount-matrix = "0", "-1", "0",
75 "-1", "0", "0",
76 "0", "0", "1";
77 };
78
79 magnetometer@12 {
80 compatible = "bosch,bmc150_magn";
81 reg = <0x12>;
82
83 vdd-supply = <&pm8916_l17>;
84 vddio-supply = <&pm8916_l6>;
85 };
86 };
87
88 &blsp_i2c4 {
89 status = "okay";
90
91 led-controller@30 {
92 compatible = "kinetic,ktd2026";
93 reg = <0x30>;
94 #address-cells = <1>;
95 #size-cells = <0>;
96
97 led@0 {
98 reg = <0>;
99 function = LED_FUNCTION_STATUS;
100 color = <LED_COLOR_ID_RED>;
101 };
102
103 led@1 {
104 reg = <1>;
105 function = LED_FUNCTION_STATUS;
106 color = <LED_COLOR_ID_GREEN>;
107 };
108 };
109 };
110
111 &blsp_i2c5 {
112 status = "okay";
113
114 touchscreen@38 {
115 /* Actually ft5446 */
116 compatible = "edt,edt-ft5406";
117 reg = <0x38>;
118
119 interrupt-parent = <&tlmm>;
120 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
121
122 reset-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
123
124 vcc-supply = <&pm8916_l16>;
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_uart2 {
136 status = "okay";
137 };
138
139 &mpss_mem {
140 reg = <0x0 0x86800000 0x0 0x4500000>;
141 };
142
143 &pm8916_codec {
144 qcom,micbias-lvl = <2800>;
145 qcom,mbhc-vthreshold-low = <150 237 450 500 590>;
146 qcom,mbhc-vthreshold-high = <150 237 450 500 590>;
147 qcom,hphl-jack-type-normally-open;
148 };
149
150 &pm8916_resin {
151 linux,code = <KEY_VOLUMEDOWN>;
152 status = "okay";
153 };
154
155 &pm8916_rpm_regulators {
156 pm8916_l16: l16 {
157 regulator-min-microvolt = <2900000>;
158 regulator-max-microvolt = <2900000>;
159 };
160
161 pm8916_l17: l17 {
162 regulator-min-microvolt = <2850000>;
163 regulator-max-microvolt = <2850000>;
164 };
165 };
166
167 &pm8916_vib {
168 status = "okay";
169 };
170
171 &sdhc_1 {
172 status = "okay";
173 };
174
175 &sdhc_2 {
176 pinctrl-names = "default", "sleep";
177 pinctrl-0 = <&sdc2_default &sdc2_cd_default>;
178 pinctrl-1 = <&sdc2_sleep &sdc2_cd_default>;
179
180 cd-gpios = <&tlmm 38 GPIO_ACTIVE_HIGH>;
181
182 status = "okay";
183 };
184
185 &sound {
186 model = "acer-a1-724";
187 audio-routing =
188 "DMIC1", "MIC BIAS External1",
189 "DMIC1", "Digital Mic1",
190 "AMIC2", "MIC BIAS Internal2",
191 "DMIC2", "MIC BIAS External1",
192 "DMIC2", "Digital Mic2";
193
194 pinctrl-0 = <&cdc_pdm_default &sec_mi2s_default &pri_mi2s_mclk_default &cdc_dmic_default>;
195 pinctrl-1 = <&cdc_pdm_sleep &sec_mi2s_sleep &pri_mi2s_mclk_sleep &cdc_dmic_sleep>;
196 pinctrl-names = "default", "sleep";
197 };
198
199 &usb {
200 extcon = <&usb_id>, <&usb_id>;
201 status = "okay";
202 };
203
204 &usb_hs_phy {
205 extcon = <&usb_id>;
206 };
207
208 &venus {
209 status = "okay";
210 };
211
212 &venus_mem {
213 status = "okay";
214 };
215
216 &wcnss {
217 status = "okay";
218 };
219
220 &wcnss_iris {
221 compatible = "qcom,wcn3620";
222 };
223
224 &wcnss_mem {
225 status = "okay";
226 };
227
228 &tlmm {
229 accel_int_default: accel-int-default-state {
230 pins = "gpio115";
231 function = "gpio";
232
233 drive-strength = <2>;
234 bias-disable;
235 };
236
237 gpio_keys_default: gpio-keys-default-state {
238 pins = "gpio107";
239 function = "gpio";
240
241 drive-strength = <2>;
242 bias-pull-up;
243 };
244
245 sdc2_cd_default: sdc2-cd-default-state {
246 pins = "gpio38";
247 function = "gpio";
248 drive-strength = <2>;
249 bias-disable;
250 };
251
252 touchscreen_default: touchscreen-default-state {
253 reset-pins {
254 pins = "gpio12";
255 function = "gpio";
256 drive-strength = <2>;
257 bias-disable;
258 };
259
260 touchscreen-pins {
261 pins = "gpio13";
262 function = "gpio";
263 drive-strength = <2>;
264 bias-pull-up;
265 };
266 };
267
268 usb_id_default: usb-id-default-state {
269 pins = "gpio110";
270 function = "gpio";
271
272 drive-strength = <8>;
273 bias-pull-up;
274 };
275 };
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