1// SPDX-License-Identifier: GPL-2.0 OR MIT
  2/*
  3 * Copyright 2019 Ondrej Jirman <megous@megous.com>
  4 */
  5
  6/dts-v1/;
  7#include "sun5i-a13.dtsi"
  8#include "sunxi-common-regulators.dtsi"
  9#include <dt-bindings/gpio/gpio.h>
 10#include <dt-bindings/input/input.h>
 11#include <dt-bindings/interrupt-controller/irq.h>
 12#include <dt-bindings/pwm/pwm.h>
 13
 14/ {
 15	model = "PocketBook Touch Lux 3";
 16	compatible = "pocketbook,touch-lux-3", "allwinner,sun5i-a13";
 17
 18	aliases {
 19		serial0 = &uart1;
 20		i2c0 = &i2c0;
 21		i2c1 = &i2c1;
 22		i2c2 = &i2c2;
 23	};
 24
 25	backlight {
 26		compatible = "pwm-backlight";
 27		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 28		enable-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 29		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
 30		default-brightness-level = <8>;
 31		power-supply = <&reg_vcc3v3>;
 32	};
 33
 34	chosen {
 35		stdout-path = "serial0:115200n8";
 36	};
 37
 38	leds {
 39		compatible = "gpio-leds";
 40
 41		led {
 42			gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
 43			default-state = "on";
 44		};
 45	};
 46
 47	gpio-keys {
 48		compatible = "gpio-keys";
 49		autorepeat;
 50		label = "GPIO Keys";
 51
 52		key-right {
 53			label = "Right";
 54			linux,code = <KEY_RIGHT>;
 55			gpios = <&pio 6 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG9 */
 56		};
 57
 58		key-left {
 59			label = "Left";
 60			linux,code = <KEY_LEFT>;
 61			gpios = <&pio 6 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG10 */
 62		};
 63	};
 64
 65	reg_1v8: regulator-1v8 {
 66		compatible = "regulator-fixed";
 67		regulator-name = "vdd-1v8-nor-ctp";
 68		regulator-min-microvolt = <1800000>;
 69		regulator-max-microvolt = <1800000>;
 70		gpio = <&pio 2 15 GPIO_ACTIVE_HIGH>;
 71		enable-active-high;
 72	};
 73
 74	reg_1v8_nor: regulator-nor {
 75		compatible = "regulator-fixed";
 76		regulator-name = "vdd-nor";
 77		regulator-min-microvolt = <1800000>;
 78		regulator-max-microvolt = <1800000>;
 79		gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;
 80		enable-active-high;
 81		vin-supply = <&reg_1v8>;
 82		regulator-always-on;
 83	};
 84
 85	reg_1v8_ctp: regulator-ctp {
 86		compatible = "regulator-fixed";
 87		regulator-name = "vdd-ctp";
 88		regulator-min-microvolt = <1800000>;
 89		regulator-max-microvolt = <1800000>;
 90		gpio = <&pio 2 13 GPIO_ACTIVE_HIGH>;
 91		enable-active-high;
 92		vin-supply = <&reg_1v8>;
 93	};
 94
 95	reg_3v3_mmc0: regulator-mmc0 {
 96		compatible = "regulator-fixed";
 97		regulator-name = "vdd-mmc0";
 98		regulator-min-microvolt = <3300000>;
 99		regulator-max-microvolt = <3300000>;
100		gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
101		vin-supply = <&reg_vcc3v3>;
102	};
103};
104
105&cpu0 {
106	cpu-supply = <&reg_dcdc2>;
107};
108
109&ehci0 {
110	status = "okay";
111};
112
113&i2c0 {
114	status = "okay";
115
116	axp209: pmic@34 {
117		reg = <0x34>;
118		interrupts = <0>;
119	};
120};
121
122#include "axp209.dtsi"
123
124&i2c1 {
125	status = "okay";
126
127	pcf8563: rtc@51 {
128		compatible = "nxp,pcf8563";
129		reg = <0x51>;
130	};
131};
132
133&i2c2 {
134	status = "okay";
135
136	/* Touchpanel is connected here. */
137};
138
139&lradc {
140	vref-supply = <&reg_ldo2>;
141	status = "okay";
142
143	button-200 {
144		label = "Home";
145		linux,code = <KEY_HOME>;
146		channel = <0>;
147		voltage = <200000>;
148	};
149
150	button-400 {
151		label = "Menu";
152		linux,code = <KEY_MENU>;
153		channel = <0>;
154		voltage = <400000>;
155	};
156};
157
158&mmc0 {
159	vmmc-supply = <&reg_3v3_mmc0>;
160	bus-width = <4>;
161	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
162	status = "okay";
163};
164
165&mmc2 {
166	pinctrl-names = "default";
167	pinctrl-0 = <&mmc2_4bit_pc_pins>;
168	vmmc-supply = <&reg_vcc3v3>;
169	bus-width = <4>;
170	non-removable;
171	status = "okay";
172};
173
174&ohci0 {
175	status = "okay";
176};
177
178&otg_sram {
179	status = "okay";
180};
181
182&pwm {
183	pinctrl-names = "default";
184	pinctrl-0 = <&pwm0_pin>;
185	status = "okay";
186};
187
188&reg_dcdc2 {
189	regulator-always-on;
190	regulator-min-microvolt = <1000000>;
191	regulator-max-microvolt = <1400000>;
192	regulator-name = "vdd-cpu";
193};
194
195&reg_dcdc3 {
196	regulator-always-on;
197	regulator-min-microvolt = <1200000>;
198	regulator-max-microvolt = <1200000>;
199	regulator-name = "vdd-int-pll";
200};
201
202&reg_ldo1 {
203	regulator-name = "vdd-rtc";
204};
205
206&reg_ldo2 {
207	regulator-always-on;
208	regulator-min-microvolt = <3000000>;
209	regulator-max-microvolt = <3000000>;
210	regulator-name = "avcc";
211};
212
213&reg_ldo3 {
214	regulator-min-microvolt = <3300000>;
215	regulator-max-microvolt = <3300000>;
216	regulator-name = "vcc-wifi";
217	/* We need this otherwise the LDO3 would overload */
218	regulator-soft-start;
219	regulator-ramp-delay = <1600>;
220};
221
222&spi2 {
223	pinctrl-names = "default";
224	pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;
225	status = "okay";
226
227	epd_flash: flash@0 {
228		#address-cells = <1>;
229		#size-cells = <1>;
230		compatible = "macronix,mx25u4033", "jedec,spi-nor";
231		reg = <0>;
232		spi-max-frequency = <4000000>;
233	};
234};
235
236&uart1 {
237	pinctrl-names = "default";
238	pinctrl-0 = <&uart1_pg_pins>;
239	status = "okay";
240};
241
242&usb_otg {
243	dr_mode = "peripheral";
244	status = "okay";
245};
246
247&battery_power_supply {
248	status = "okay";
249};
250
251&usb_power_supply {
252	status = "okay";
253};
254
255&usbphy {
256	usb1_vbus-supply = <&reg_ldo3>;
257	status = "okay";
258};

  1// SPDX-License-Identifier: GPL-2.0 OR MIT
  2/*
  3 * Copyright 2019 Ondrej Jirman <megous@megous.com>
  4 */
  5
  6/dts-v1/;
  7#include "sun5i-a13.dtsi"
  8#include "sunxi-common-regulators.dtsi"
  9#include <dt-bindings/gpio/gpio.h>
 10#include <dt-bindings/input/input.h>
 11#include <dt-bindings/interrupt-controller/irq.h>
 12#include <dt-bindings/pwm/pwm.h>
 13
 14/ {
 15	model = "PocketBook Touch Lux 3";
 16	compatible = "pocketbook,touch-lux-3", "allwinner,sun5i-a13";
 17
 18	aliases {
 19		serial0 = &uart1;
 20		i2c0 = &i2c0;
 21		i2c1 = &i2c1;
 22		i2c2 = &i2c2;
 23	};
 24
 25	backlight {
 26		compatible = "pwm-backlight";
 27		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
 28		enable-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 29		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
 30		default-brightness-level = <8>;
 
 31	};
 32
 33	chosen {
 34		stdout-path = "serial0:115200n8";
 35	};
 36
 37	leds {
 38		compatible = "gpio-leds";
 39
 40		power {
 41			gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
 42			default-state = "on";
 43		};
 44	};
 45
 46	gpio-keys {
 47		compatible = "gpio-keys";
 48		autorepeat;
 49		label = "GPIO Keys";
 50
 51		key-right {
 52			label = "Right";
 53			linux,code = <KEY_RIGHT>;
 54			gpios = <&pio 6 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG9 */
 55		};
 56
 57		key-left {
 58			label = "Left";
 59			linux,code = <KEY_LEFT>;
 60			gpios = <&pio 6 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG10 */
 61		};
 62	};
 63
 64	reg_1v8: regulator-1v8 {
 65		compatible = "regulator-fixed";
 66		regulator-name = "vdd-1v8-nor-ctp";
 67		regulator-min-microvolt = <1800000>;
 68		regulator-max-microvolt = <1800000>;
 69		gpio = <&pio 2 15 GPIO_ACTIVE_HIGH>;
 70		enable-active-high;
 71	};
 72
 73	reg_1v8_nor: regulator-nor {
 74		compatible = "regulator-fixed";
 75		regulator-name = "vdd-nor";
 76		regulator-min-microvolt = <1800000>;
 77		regulator-max-microvolt = <1800000>;
 78		gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;
 79		enable-active-high;
 80		vin-supply = <&reg_1v8>;
 81		regulator-always-on;
 82	};
 83
 84	reg_1v8_ctp: regulator-ctp {
 85		compatible = "regulator-fixed";
 86		regulator-name = "vdd-ctp";
 87		regulator-min-microvolt = <1800000>;
 88		regulator-max-microvolt = <1800000>;
 89		gpio = <&pio 2 13 GPIO_ACTIVE_HIGH>;
 90		enable-active-high;
 91		vin-supply = <&reg_1v8>;
 92	};
 93
 94	reg_3v3_mmc0: regulator-mmc0 {
 95		compatible = "regulator-fixed";
 96		regulator-name = "vdd-mmc0";
 97		regulator-min-microvolt = <3300000>;
 98		regulator-max-microvolt = <3300000>;
 99		gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
100		vin-supply = <&reg_vcc3v3>;
101	};
102};
103
104&cpu0 {
105	cpu-supply = <&reg_dcdc2>;
106};
107
108&ehci0 {
109	status = "okay";
110};
111
112&i2c0 {
113	status = "okay";
114
115	axp209: pmic@34 {
116		reg = <0x34>;
117		interrupts = <0>;
118	};
119};
120
121#include "axp209.dtsi"
122
123&i2c1 {
124	status = "okay";
125
126	pcf8563: rtc@51 {
127		compatible = "nxp,pcf8563";
128		reg = <0x51>;
129	};
130};
131
132&i2c2 {
133	status = "okay";
134
135	/* Touchpanel is connected here. */
136};
137
138&lradc {
139	vref-supply = <&reg_ldo2>;
140	status = "okay";
141
142	button-200 {
143		label = "Home";
144		linux,code = <KEY_HOME>;
145		channel = <0>;
146		voltage = <200000>;
147	};
148
149	button-400 {
150		label = "Menu";
151		linux,code = <KEY_MENU>;
152		channel = <0>;
153		voltage = <400000>;
154	};
155};
156
157&mmc0 {
158	vmmc-supply = <&reg_3v3_mmc0>;
159	bus-width = <4>;
160	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
161	status = "okay";
162};
163
164&mmc2 {
165	pinctrl-names = "default";
166	pinctrl-0 = <&mmc2_4bit_pc_pins>;
167	vmmc-supply = <&reg_vcc3v3>;
168	bus-width = <4>;
169	non-removable;
170	status = "okay";
171};
172
173&ohci0 {
174	status = "okay";
175};
176
177&otg_sram {
178	status = "okay";
179};
180
181&pwm {
182	pinctrl-names = "default";
183	pinctrl-0 = <&pwm0_pin>;
184	status = "okay";
185};
186
187&reg_dcdc2 {
188	regulator-always-on;
189	regulator-min-microvolt = <1000000>;
190	regulator-max-microvolt = <1400000>;
191	regulator-name = "vdd-cpu";
192};
193
194&reg_dcdc3 {
195	regulator-always-on;
196	regulator-min-microvolt = <1200000>;
197	regulator-max-microvolt = <1200000>;
198	regulator-name = "vdd-int-pll";
199};
200
201&reg_ldo1 {
202	regulator-name = "vdd-rtc";
203};
204
205&reg_ldo2 {
206	regulator-always-on;
207	regulator-min-microvolt = <3000000>;
208	regulator-max-microvolt = <3000000>;
209	regulator-name = "avcc";
210};
211
212&reg_ldo3 {
213	regulator-min-microvolt = <3300000>;
214	regulator-max-microvolt = <3300000>;
215	regulator-name = "vcc-wifi";
216	/* We need this otherwise the LDO3 would overload */
217	regulator-soft-start;
218	regulator-ramp-delay = <1600>;
219};
220
221&spi2 {
222	pinctrl-names = "default";
223	pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;
224	status = "okay";
225
226	epd_flash: flash@0 {
227		#address-cells = <1>;
228		#size-cells = <1>;
229		compatible = "macronix,mx25u4033", "jedec,spi-nor";
230		reg = <0>;
231		spi-max-frequency = <4000000>;
232	};
233};
234
235&uart1 {
236	pinctrl-names = "default";
237	pinctrl-0 = <&uart1_pg_pins>;
238	status = "okay";
239};
240
241&usb_otg {
242	dr_mode = "peripheral";
243	status = "okay";
244};
245
246&battery_power_supply {
247	status = "okay";
248};
249
250&usb_power_supply {
251	status = "okay";
252};
253
254&usbphy {
255	usb1_vbus-supply = <&reg_ldo3>;
256	status = "okay";
257};