1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Google Gru-Kevin Rev 6+ board device tree source
4 *
5 * Copyright 2016-2017 Google, Inc
6 */
7
8/dts-v1/;
9#include "rk3399-gru-chromebook.dtsi"
10#include <dt-bindings/input/linux-event-codes.h>
11
12/*
13 * Kevin-specific things
14 *
15 * Things in this section should use names from Kevin schematic since no
16 * equivalent exists in Gru schematic.  If referring to signals that exist
17 * in Gru we use the Gru names, though.  Confusing enough for you?
18 */
19/ {
20	model = "Google Kevin";
21	compatible = "google,kevin-rev15", "google,kevin-rev14",
22		     "google,kevin-rev13", "google,kevin-rev12",
23		     "google,kevin-rev11", "google,kevin-rev10",
24		     "google,kevin-rev9", "google,kevin-rev8",
25		     "google,kevin-rev7", "google,kevin-rev6",
26		     "google,kevin", "google,gru", "rockchip,rk3399";
27	chassis-type = "convertible";
28
29	/* Power tree */
30
31	p3_3v_dig: p3-3v-dig {
32		compatible = "regulator-fixed";
33		regulator-name = "p3.3v_dig";
34		pinctrl-names = "default";
35		pinctrl-0 = <&cpu3_pen_pwr_en>;
36
37		enable-active-high;
38		gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
39		vin-supply = <&pp3300>;
40	};
41
42	edp_panel: edp-panel {
43		compatible = "sharp,lq123p1jx31";
44		backlight = <&backlight>;
45		power-supply = <&pp3300_disp>;
46
47		panel-timing {
48			clock-frequency = <266666667>;
49			hactive = <2400>;
50			hfront-porch = <48>;
51			hback-porch = <84>;
52			hsync-len = <32>;
53			hsync-active = <0>;
54			vactive = <1600>;
55			vfront-porch = <3>;
56			vback-porch = <120>;
57			vsync-len = <10>;
58			vsync-active = <0>;
59		};
60
61		port {
62			panel_in_edp: endpoint {
63				remote-endpoint = <&edp_out_panel>;
64			};
65		};
66	};
67
68	thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
69		compatible = "murata,ncp15wb473";
70		pullup-uv = <1800000>;
71		pullup-ohm = <25500>;
72		pulldown-ohm = <0>;
73		io-channels = <&saradc 2>;
74		#thermal-sensor-cells = <0>;
75	};
76
77	thermistor_ppvar_litcpu: thermistor-ppvar-litcpu {
78		compatible = "murata,ncp15wb473";
79		pullup-uv = <1800000>;
80		pullup-ohm = <25500>;
81		pulldown-ohm = <0>;
82		io-channels = <&saradc 3>;
83		#thermal-sensor-cells = <0>;
84	};
85};
86
87&backlight {
88	pwms = <&cros_ec_pwm 1>;
89};
90
91&gpio_keys {
92	pinctrl-names = "default";
93	pinctrl-0 = <&bt_host_wake_l>, <&cpu1_pen_eject>;
94
95	switch-pen-insert {
96		label = "Pen Insert";
97		/* Insert = low, eject = high */
98		gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
99		linux,code = <SW_PEN_INSERTED>;
100		linux,input-type = <EV_SW>;
101		wakeup-source;
102	};
103};
104
105&thermal_zones {
106	bigcpu_reg_thermal: bigcpu-reg-thermal {
107		polling-delay-passive = <100>; /* milliseconds */
108		polling-delay = <1000>; /* milliseconds */
109		thermal-sensors = <&thermistor_ppvar_bigcpu 0>;
110		sustainable-power = <4000>;
111
112		ppvar_bigcpu_trips: trips {
113			ppvar_bigcpu_on: ppvar-bigcpu-on {
114				temperature = <40000>;	/* millicelsius */
115				hysteresis = <2000>;	/* millicelsius */
116				type = "passive";
117			};
118
119			ppvar_bigcpu_alert: ppvar-bigcpu-alert {
120				temperature = <50000>;	/* millicelsius */
121				hysteresis = <2000>;	/* millicelsius */
122				type = "passive";
123			};
124
125			ppvar_bigcpu_crit: ppvar-bigcpu-crit {
126				temperature = <90000>;	/* millicelsius */
127				hysteresis = <0>;	/* millicelsius */
128				type = "critical";
129			};
130		};
131
132		cooling-maps {
133			map0 {
134				trip = <&ppvar_bigcpu_alert>;
135				cooling-device =
136					<&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
137					<&cpu_l1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
138					<&cpu_l2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
139					<&cpu_l3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
140				contribution = <4096>;
141			};
142			map1 {
143				trip = <&ppvar_bigcpu_alert>;
144				cooling-device =
145					<&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
146					<&cpu_b1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
147				contribution = <1024>;
148			};
149		};
150	};
151
152	litcpu_reg_thermal: litcpu-reg-thermal {
153		polling-delay-passive = <100>; /* milliseconds */
154		polling-delay = <1000>; /* milliseconds */
155		thermal-sensors = <&thermistor_ppvar_litcpu 0>;
156		sustainable-power = <4000>;
157
158		ppvar_litcpu_trips: trips {
159			ppvar_litcpu_on: ppvar-litcpu-on {
160				temperature = <40000>;	/* millicelsius */
161				hysteresis = <2000>;	/* millicelsius */
162				type = "passive";
163			};
164
165			ppvar_litcpu_alert: ppvar-litcpu-alert {
166				temperature = <50000>;	/* millicelsius */
167				hysteresis = <2000>;	/* millicelsius */
168				type = "passive";
169			};
170
171			ppvar_litcpu_crit: ppvar-litcpu-crit {
172				temperature = <90000>;	/* millicelsius */
173				hysteresis = <0>;	/* millicelsius */
174				type = "critical";
175			};
176		};
177	};
178};
179
180ap_i2c_tpm: &i2c0 {
181	status = "okay";
182
183	clock-frequency = <400000>;
184
185	/* These are relatively safe rise/fall times. */
186	i2c-scl-falling-time-ns = <50>;
187	i2c-scl-rising-time-ns = <300>;
188
189	tpm: tpm@20 {
190		compatible = "infineon,slb9645tt";
191		reg = <0x20>;
192		powered-while-suspended;
193	};
194};
195
196ap_i2c_dig: &i2c2 {
197	status = "okay";
198
199	clock-frequency = <400000>;
200
201	/* These are relatively safe rise/fall times. */
202	i2c-scl-falling-time-ns = <50>;
203	i2c-scl-rising-time-ns = <300>;
204
205	digitizer: digitizer@9 {
206		/* wacom,w9013 */
207		compatible = "hid-over-i2c";
208		reg = <0x9>;
209		pinctrl-names = "default";
210		pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>;
211
212		vdd-supply = <&p3_3v_dig>;
213		post-power-on-delay-ms = <100>;
214
215		interrupt-parent = <&gpio2>;
216		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
217
218		hid-descr-addr = <0x1>;
219	};
220};
221
222/* Adjustments to things in the gru baseboard */
223
224&ap_i2c_tp {
225	trackpad@4a {
226		compatible = "atmel,maxtouch";
227		reg = <0x4a>;
228		pinctrl-names = "default";
229		pinctrl-0 = <&trackpad_int_l>;
230		interrupt-parent = <&gpio1>;
231		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
232		linux,gpio-keymap = <KEY_RESERVED
233				     KEY_RESERVED
234				     KEY_RESERVED
235				     BTN_LEFT>;
236		wakeup-source;
237	};
238};
239
240&ap_i2c_ts {
241	touchscreen@4b {
242		compatible = "atmel,maxtouch";
243		reg = <0x4b>;
244		pinctrl-names = "default";
245		pinctrl-0 = <&touch_int_l>;
246		interrupt-parent = <&gpio3>;
247		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
248	};
249};
250
251&ppvar_bigcpu_pwm {
252	regulator-min-microvolt = <798674>;
253	regulator-max-microvolt = <1302172>;
254};
255
256&ppvar_bigcpu {
257	regulator-min-microvolt = <798674>;
258	regulator-max-microvolt = <1302172>;
259	ctrl-voltage-range = <798674 1302172>;
260};
261
262&ppvar_litcpu_pwm {
263	regulator-min-microvolt = <799065>;
264	regulator-max-microvolt = <1303738>;
265};
266
267&ppvar_litcpu {
268	regulator-min-microvolt = <799065>;
269	regulator-max-microvolt = <1303738>;
270	ctrl-voltage-range = <799065 1303738>;
271};
272
273&ppvar_gpu_pwm {
274	regulator-min-microvolt = <785782>;
275	regulator-max-microvolt = <1217729>;
276};
277
278&ppvar_gpu {
279	regulator-min-microvolt = <785782>;
280	regulator-max-microvolt = <1217729>;
281	ctrl-voltage-range = <785782 1217729>;
282};
283
284&ppvar_centerlogic_pwm {
285	regulator-min-microvolt = <800069>;
286	regulator-max-microvolt = <1049692>;
287};
288
289&ppvar_centerlogic {
290	regulator-min-microvolt = <800069>;
291	regulator-max-microvolt = <1049692>;
292	ctrl-voltage-range = <800069 1049692>;
293};
294
295&saradc {
296	status = "okay";
297	vref-supply = <&pp1800_ap_io>;
298};
299
300&mvl_wifi {
301	marvell,wakeup-pin = <14>; /* GPIO_14 on Marvell */
302};
303
304&pinctrl {
305	digitizer {
306		/* Has external pullup */
307		cpu1_dig_irq_l: cpu1-dig-irq-l {
308			rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
309		};
310
311		/* Has external pullup */
312		cpu1_dig_pdct_l: cpu1-dig-pdct-l {
313			rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
314		};
315	};
316
317	discrete-regulators {
318		cpu3_pen_pwr_en: cpu3-pen-pwr-en {
319			rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
320		};
321	};
322
323	pen {
324		cpu1_pen_eject: cpu1-pen-eject {
325			rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;
326		};
327	};
328};
329