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1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
4 * Copyright (C) 2019 reMarkable AS - http://www.remarkable.com/
5 *
6 */
7
8/dts-v1/;
9
10#include "imx7d.dtsi"
11
12/ {
13 model = "reMarkable 2.0";
14 compatible = "remarkable,imx7d-remarkable2", "fsl,imx7d";
15
16 chosen {
17 stdout-path = &uart6;
18 };
19
20 memory@80000000 {
21 device_type = "memory";
22 reg = <0x80000000 0x40000000>;
23 };
24
25 thermal-zones {
26 epd-thermal {
27 thermal-sensors = <&sy7636a>;
28 polling-delay-passive = <30000>;
29 polling-delay = <30000>;
30
31 trips {
32 trip0 {
33 temperature = <49000>;
34 hysteresis = <2000>;
35 type = "passive";
36 };
37
38 trip1 {
39 temperature = <50000>;
40 hysteresis = <2000>;
41 type = "critical";
42 };
43 };
44 };
45 };
46
47 reg_brcm: regulator-brcm {
48 compatible = "regulator-fixed";
49 regulator-name = "brcm_reg";
50 regulator-min-microvolt = <3300000>;
51 regulator-max-microvolt = <3300000>;
52 pinctrl-names = "default";
53 pinctrl-0 = <&pinctrl_brcm_reg>;
54 gpio = <&gpio6 13 GPIO_ACTIVE_HIGH>;
55 enable-active-high;
56 startup-delay-us = <150>;
57 };
58
59 reg_digitizer: regulator-digitizer {
60 compatible = "regulator-fixed";
61 regulator-name = "VDD_3V3_DIGITIZER";
62 regulator-min-microvolt = <3300000>;
63 regulator-max-microvolt = <3300000>;
64 pinctrl-names = "default", "sleep";
65 pinctrl-0 = <&pinctrl_digitizer_reg>;
66 pinctrl-1 = <&pinctrl_digitizer_reg>;
67 gpio = <&gpio1 6 GPIO_ACTIVE_HIGH>;
68 enable-active-high;
69 startup-delay-us = <100000>; /* 100 ms */
70 };
71
72 wifi_pwrseq: wifi_pwrseq {
73 compatible = "mmc-pwrseq-simple";
74 pinctrl-names = "default";
75 pinctrl-0 = <&pinctrl_wifi>;
76 reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
77 clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
78 clock-names = "ext_clock";
79 };
80};
81
82&clks {
83 assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
84 <&clks IMX7D_CLKO2_ROOT_DIV>;
85 assigned-clock-parents = <&clks IMX7D_CKIL>;
86 assigned-clock-rates = <0>, <32768>;
87};
88
89&i2c1 {
90 clock-frequency = <400000>;
91 pinctrl-names = "default";
92 pinctrl-0 = <&pinctrl_i2c1>;
93 status = "okay";
94
95 wacom_digitizer: digitizer@9 {
96 compatible = "hid-over-i2c";
97 reg = <0x09>;
98 hid-descr-addr = <0x01>;
99 pinctrl-names = "default";
100 pinctrl-0 = <&pinctrl_wacom>;
101 interrupt-parent = <&gpio1>;
102 interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
103 touchscreen-inverted-x;
104 touchscreen-inverted-y;
105 vdd-supply = <®_digitizer>;
106 };
107};
108
109&i2c4 {
110 clock-frequency = <100000>;
111 pinctrl-names = "default", "sleep";
112 pinctrl-0 = <&pinctrl_i2c4>;
113 pinctrl-1 = <&pinctrl_i2c4>;
114 status = "okay";
115
116 sy7636a: pmic@62 {
117 compatible = "silergy,sy7636a";
118 reg = <0x62>;
119 pinctrl-names = "default";
120 pinctrl-0 = <&pinctrl_epdpmic>;
121 #address-cells = <1>;
122 #size-cells = <0>;
123 #thermal-sensor-cells = <0>;
124 epd-pwr-good-gpios = <&gpio6 21 GPIO_ACTIVE_HIGH>;
125
126 regulators {
127 reg_epdpmic: vcom {
128 regulator-name = "vcom";
129 regulator-boot-on;
130 };
131 };
132 };
133};
134
135&snvs_pwrkey {
136 status = "okay";
137};
138
139&uart1 {
140 pinctrl-names = "default";
141 pinctrl-0 = <&pinctrl_uart1>;
142 assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>;
143 assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
144 status = "okay";
145};
146
147&uart6 {
148 pinctrl-names = "default";
149 pinctrl-0 = <&pinctrl_uart6>;
150 assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>;
151 assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
152 status = "okay";
153};
154
155&usbotg2 {
156 srp-disable;
157 hnp-disable;
158 status = "okay";
159};
160
161&usdhc2 {
162 #address-cells = <1>;
163 #size-cells = <0>;
164 pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
165 pinctrl-0 = <&pinctrl_usdhc2>;
166 pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
167 pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
168 mmc-pwrseq = <&wifi_pwrseq>;
169 vmmc-supply = <®_brcm>;
170 bus-width = <4>;
171 non-removable;
172 keep-power-in-suspend;
173 cap-power-off-card;
174 status = "okay";
175
176 brcmf: bcrmf@1 {
177 reg = <1>;
178 compatible = "brcm,bcm4329-fmac";
179 };
180};
181
182&usdhc3 {
183 pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
184 pinctrl-0 = <&pinctrl_usdhc3>;
185 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
186 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
187 pinctrl-3 = <&pinctrl_usdhc3>;
188 assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
189 assigned-clock-rates = <400000000>;
190 bus-width = <8>;
191 non-removable;
192 status = "okay";
193};
194
195&wdog1 {
196 pinctrl-names = "default";
197 pinctrl-0 = <&pinctrl_wdog>;
198 fsl,ext-reset-output;
199};
200
201&iomuxc_lpsr {
202 pinctrl_digitizer_reg: digitizerreggrp {
203 fsl,pins = <
204 /* DIGITIZER_PWR_EN */
205 MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x14
206 >;
207 };
208
209 pinctrl_wacom: wacomgrp {
210 fsl,pins = <
211 /*MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x00000014 FWE */
212 MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x00000074 /* PDCTB */
213 MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x00000034 /* WACOM INT */
214 /*MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x00000014 WACOM PWR ENABLE */
215 /*MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x00000074 WACOM RESET */
216 >;
217 };
218};
219
220&iomuxc {
221 pinctrl_brcm_reg: brcmreggrp {
222 fsl,pins = <
223 /* WIFI_PWR_EN */
224 MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x14
225 >;
226 };
227
228 pinctrl_epdpmic: epdpmicgrp {
229 fsl,pins = <
230 MX7D_PAD_SAI2_RX_DATA__GPIO6_IO21 0x00000074
231 MX7D_PAD_ENET1_RGMII_TXC__GPIO7_IO11 0x00000014
232 >;
233 };
234
235 pinctrl_i2c1: i2c1grp {
236 fsl,pins = <
237 MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f
238 MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
239 >;
240 };
241
242 pinctrl_i2c4: i2c4grp {
243 fsl,pins = <
244 MX7D_PAD_I2C4_SDA__I2C4_SDA 0x4000007f
245 MX7D_PAD_I2C4_SCL__I2C4_SCL 0x4000007f
246 >;
247 };
248
249 pinctrl_uart1: uart1grp {
250 fsl,pins = <
251 MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
252 MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX 0x79
253 >;
254 };
255
256 pinctrl_uart6: uart6grp {
257 fsl,pins = <
258 MX7D_PAD_EPDC_DATA09__UART6_DCE_TX 0x79
259 MX7D_PAD_EPDC_DATA08__UART6_DCE_RX 0x79
260 >;
261 };
262
263 pinctrl_usdhc2: usdhc2grp {
264 fsl,pins = <
265 MX7D_PAD_SD2_CMD__SD2_CMD 0x59
266 MX7D_PAD_SD2_CLK__SD2_CLK 0x19
267 MX7D_PAD_SD2_DATA0__SD2_DATA0 0x59
268 MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59
269 MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59
270 MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59
271 >;
272 };
273
274 pinctrl_usdhc2_100mhz: usdhc2grp_100mhz {
275 fsl,pins = <
276 MX7D_PAD_SD2_CMD__SD2_CMD 0x5a
277 MX7D_PAD_SD2_CLK__SD2_CLK 0x1a
278 MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5a
279 MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5a
280 MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5a
281 MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5a
282 >;
283 };
284
285 pinctrl_usdhc2_200mhz: usdhc2grp_200mhz {
286 fsl,pins = <
287 MX7D_PAD_SD2_CMD__SD2_CMD 0x5b
288 MX7D_PAD_SD2_CLK__SD2_CLK 0x1b
289 MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5b
290 MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5b
291 MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5b
292 MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5b
293 >;
294 };
295
296 pinctrl_usdhc3: usdhc3grp {
297 fsl,pins = <
298 MX7D_PAD_SD3_CMD__SD3_CMD 0x59
299 MX7D_PAD_SD3_CLK__SD3_CLK 0x19
300 MX7D_PAD_SD3_DATA0__SD3_DATA0 0x59
301 MX7D_PAD_SD3_DATA1__SD3_DATA1 0x59
302 MX7D_PAD_SD3_DATA2__SD3_DATA2 0x59
303 MX7D_PAD_SD3_DATA3__SD3_DATA3 0x59
304 MX7D_PAD_SD3_DATA4__SD3_DATA4 0x59
305 MX7D_PAD_SD3_DATA5__SD3_DATA5 0x59
306 MX7D_PAD_SD3_DATA6__SD3_DATA6 0x59
307 MX7D_PAD_SD3_DATA7__SD3_DATA7 0x59
308 MX7D_PAD_SD3_STROBE__SD3_STROBE 0x19
309 >;
310 };
311
312 pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
313 fsl,pins = <
314 MX7D_PAD_SD3_CMD__SD3_CMD 0x5a
315 MX7D_PAD_SD3_CLK__SD3_CLK 0x1a
316 MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5a
317 MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5a
318 MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5a
319 MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5a
320 MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5a
321 MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5a
322 MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5a
323 MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5a
324 MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1a
325 >;
326 };
327
328 pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
329 fsl,pins = <
330 MX7D_PAD_SD3_CMD__SD3_CMD 0x5b
331 MX7D_PAD_SD3_CLK__SD3_CLK 0x1b
332 MX7D_PAD_SD3_DATA0__SD3_DATA0 0x5b
333 MX7D_PAD_SD3_DATA1__SD3_DATA1 0x5b
334 MX7D_PAD_SD3_DATA2__SD3_DATA2 0x5b
335 MX7D_PAD_SD3_DATA3__SD3_DATA3 0x5b
336 MX7D_PAD_SD3_DATA4__SD3_DATA4 0x5b
337 MX7D_PAD_SD3_DATA5__SD3_DATA5 0x5b
338 MX7D_PAD_SD3_DATA6__SD3_DATA6 0x5b
339 MX7D_PAD_SD3_DATA7__SD3_DATA7 0x5b
340 MX7D_PAD_SD3_STROBE__SD3_STROBE 0x1b
341 >;
342 };
343
344 pinctrl_wdog: wdoggrp {
345 fsl,pins = <
346 MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY 0x74
347 >;
348 };
349
350 pinctrl_wifi: wifigrp {
351 fsl,pins = <
352 /* WiFi Reg On */
353 MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x00000014
354 /* WiFi Sleep 32k */
355 MX7D_PAD_SD1_WP__CCM_CLKO2 0x00000014
356 >;
357 };
358};