1/*
  2 * Copyright 2015 Free Electrons
  3 * Copyright 2015 NextThing Co
  4 *
  5 * Maxime Ripard <maxime.ripard@free-electrons.com>
  6 *
  7 * This file is dual-licensed: you can use it either under the terms
  8 * of the GPL or the X11 license, at your option. Note that this dual
  9 * licensing only applies to this file, and not this project as a
 10 * whole.
 11 *
 12 *  a) This file is free software; you can redistribute it and/or
 13 *     modify it under the terms of the GNU General Public License as
 14 *     published by the Free Software Foundation; either version 2 of the
 15 *     License, or (at your option) any later version.
 16 *
 17 *     This file is distributed in the hope that it will be useful,
 18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 *     GNU General Public License for more details.
 21 *
 22 * Or, alternatively,
 23 *
 24 *  b) Permission is hereby granted, free of charge, to any person
 25 *     obtaining a copy of this software and associated documentation
 26 *     files (the "Software"), to deal in the Software without
 27 *     restriction, including without limitation the rights to use,
 28 *     copy, modify, merge, publish, distribute, sublicense, and/or
 29 *     sell copies of the Software, and to permit persons to whom the
 30 *     Software is furnished to do so, subject to the following
 31 *     conditions:
 32 *
 33 *     The above copyright notice and this permission notice shall be
 34 *     included in all copies or substantial portions of the Software.
 35 *
 36 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 43 *     OTHER DEALINGS IN THE SOFTWARE.
 44 */
 45
 46/dts-v1/;
 47#include "sun5i-r8.dtsi"
 48#include "sunxi-common-regulators.dtsi"
 49
 50#include <dt-bindings/gpio/gpio.h>
 51#include <dt-bindings/interrupt-controller/irq.h>
 52
 53/ {
 54	model = "NextThing C.H.I.P.";
 55	compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";
 56
 57	aliases {
 58		i2c0 = &i2c0;
 59		i2c1 = &i2c1;
 60		i2c2 = &i2c2;
 61		serial0 = &uart1;
 62		serial1 = &uart3;
 63		spi0 = &spi2;
 64	};
 65
 66	chosen {
 67		stdout-path = "serial0:115200n8";
 68	};
 69
 70	leds {
 71		compatible = "gpio-leds";
 72
 73		status {
 74			label = "chip:white:status";
 75			gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
 76			default-state = "on";
 77		};
 78	};
 79
 80	mmc0_pwrseq: mmc0_pwrseq {
 81		compatible = "mmc-pwrseq-simple";
 
 
 82		reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
 83	};
 84
 85	onewire {
 86		compatible = "w1-gpio";
 87		gpios = <&pio 3 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PD2 */
 
 
 88	};
 89};
 90
 91&be0 {
 92	status = "okay";
 93};
 94
 95&codec {
 96	status = "okay";
 97};
 98
 99&cpu0 {
100	cpu-supply = <&reg_dcdc2>;
101};
102
103&ehci0 {
104	status = "okay";
105};
106
107&i2c0 {
 
 
108	status = "okay";
109
110	axp209: pmic@34 {
111		reg = <0x34>;
112
113		/*
114		 * The interrupt is routed through the "External Fast
115		 * Interrupt Request" pin (ball G13 of the module)
116		 * directly to the main interrupt controller, without
117		 * any other controller interfering.
118		 */
119		interrupts = <0>;
120	};
121};
122
123#include "axp209.dtsi"
124
125&ac_power_supply {
126	status = "okay";
127};
128
129&battery_power_supply {
130	status = "okay";
131};
132
133&i2c1 {
 
 
134	status = "disabled";
135};
136
137&i2c2 {
 
 
138	status = "okay";
139
140	xio: gpio@38 {
141		compatible = "nxp,pcf8574a";
142		reg = <0x38>;
143
144		gpio-controller;
145		#gpio-cells = <2>;
146
147		interrupt-parent = <&pio>;
148		interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
149		interrupt-controller;
150		#interrupt-cells = <2>;
151	};
152};
153
154&mmc0_pins {
155	bias-pull-up;
156};
157
158&mmc0 {
 
 
159	vmmc-supply = <&reg_vcc3v3>;
160	mmc-pwrseq = <&mmc0_pwrseq>;
161	bus-width = <4>;
162	non-removable;
163	status = "okay";
164};
165
166&ohci0 {
167	status = "okay";
168};
169
170&otg_sram {
171	status = "okay";
172};
173
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
174&reg_dcdc2 {
175	regulator-min-microvolt = <1000000>;
176	regulator-max-microvolt = <1400000>;
177	regulator-name = "cpuvdd";
178	regulator-always-on;
179};
180
181&reg_dcdc3 {
182	regulator-min-microvolt = <1000000>;
183	regulator-max-microvolt = <1300000>;
184	regulator-name = "corevdd";
185	regulator-always-on;
186};
187
188&reg_ldo1 {
189	regulator-name = "rtcvdd";
190};
191
192&reg_ldo2 {
193	regulator-min-microvolt = <2700000>;
194	regulator-max-microvolt = <3300000>;
195	regulator-name = "avcc";
196	regulator-always-on;
197};
198
199/*
200 * Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT
201 * Chip.
202 *
203 * If those are not enabled, the SDIO part will not enumerate, and
204 * since there's no way currently to pass DT infos to an SDIO device,
205 * we cannot really do better than this ugly hack for now.
206 */
207&reg_ldo3 {
208	regulator-min-microvolt = <3300000>;
209	regulator-max-microvolt = <3300000>;
210	regulator-name = "vcc-wifi-1";
211	regulator-always-on;
212};
213
214&reg_ldo4 {
215	regulator-min-microvolt = <3300000>;
216	regulator-max-microvolt = <3300000>;
217	regulator-name = "vcc-wifi-2";
218	regulator-always-on;
219};
220
221&reg_ldo5 {
222	regulator-min-microvolt = <1800000>;
223	regulator-max-microvolt = <1800000>;
224	regulator-name = "vcc-1v8";
225};
226
227&reg_usb0_vbus {
 
228	vin-supply = <&reg_vcc5v0>;
229	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
230	status = "okay";
231};
232
233&spi2 {
234	pinctrl-names = "default";
235	pinctrl-0 = <&spi2_pe_pins>;
236	status = "disabled";
237};
238
239&tcon0 {
240	status = "okay";
241};
242
243&tve0 {
244	status = "okay";
245};
246
247&uart1 {
248	pinctrl-names = "default";
249	pinctrl-0 = <&uart1_pg_pins>;
250	status = "okay";
251};
252
253&uart3 {
254	pinctrl-names = "default";
255	pinctrl-0 = <&uart3_pg_pins>,
256		    <&uart3_cts_rts_pg_pins>;
257	status = "okay";
258};
259
260&usb_otg {
261	dr_mode = "otg";
262	status = "okay";
263};
264
265&usb_power_supply {
266	status = "okay";
267};
268
269&usbphy {
 
 
270	status = "okay";
271
272	usb0_id_det-gpios = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
273	usb0_vbus_power-supply = <&usb_power_supply>;
274	usb0_vbus-supply = <&reg_usb0_vbus>;
275	usb1_vbus-supply = <&reg_vcc5v0>;
276};

  1/*
  2 * Copyright 2015 Free Electrons
  3 * Copyright 2015 NextThing Co
  4 *
  5 * Maxime Ripard <maxime.ripard@free-electrons.com>
  6 *
  7 * This file is dual-licensed: you can use it either under the terms
  8 * of the GPL or the X11 license, at your option. Note that this dual
  9 * licensing only applies to this file, and not this project as a
 10 * whole.
 11 *
 12 *  a) This file is free software; you can redistribute it and/or
 13 *     modify it under the terms of the GNU General Public License as
 14 *     published by the Free Software Foundation; either version 2 of the
 15 *     License, or (at your option) any later version.
 16 *
 17 *     This file is distributed in the hope that it will be useful,
 18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 *     GNU General Public License for more details.
 21 *
 22 * Or, alternatively,
 23 *
 24 *  b) Permission is hereby granted, free of charge, to any person
 25 *     obtaining a copy of this software and associated documentation
 26 *     files (the "Software"), to deal in the Software without
 27 *     restriction, including without limitation the rights to use,
 28 *     copy, modify, merge, publish, distribute, sublicense, and/or
 29 *     sell copies of the Software, and to permit persons to whom the
 30 *     Software is furnished to do so, subject to the following
 31 *     conditions:
 32 *
 33 *     The above copyright notice and this permission notice shall be
 34 *     included in all copies or substantial portions of the Software.
 35 *
 36 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 43 *     OTHER DEALINGS IN THE SOFTWARE.
 44 */
 45
 46/dts-v1/;
 47#include "sun5i-r8.dtsi"
 48#include "sunxi-common-regulators.dtsi"
 49
 50#include <dt-bindings/gpio/gpio.h>
 51#include <dt-bindings/interrupt-controller/irq.h>
 52
 53/ {
 54	model = "NextThing C.H.I.P.";
 55	compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";
 56
 57	aliases {
 58		i2c0 = &i2c0;
 59		i2c1 = &i2c1;
 60		i2c2 = &i2c2;
 61		serial0 = &uart1;
 62		serial1 = &uart3;
 63		spi0 = &spi2;
 64	};
 65
 66	chosen {
 67		stdout-path = "serial0:115200n8";
 68	};
 69
 70	leds {
 71		compatible = "gpio-leds";
 72
 73		status {
 74			label = "chip:white:status";
 75			gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
 76			default-state = "on";
 77		};
 78	};
 79
 80	mmc0_pwrseq: mmc0_pwrseq {
 81		compatible = "mmc-pwrseq-simple";
 82		pinctrl-names = "default";
 83		pinctrl-0 = <&chip_wifi_reg_on_pin>;
 84		reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
 85	};
 86
 87	onewire {
 88		compatible = "w1-gpio";
 89		gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
 90		pinctrl-names = "default";
 91		pinctrl-0 = <&chip_w1_pin>;
 92	};
 93};
 94
 95&be0 {
 96	status = "okay";
 97};
 98
 99&codec {
100	status = "okay";
101};
102
103&cpu0 {
104	cpu-supply = <&reg_dcdc2>;
105};
106
107&ehci0 {
108	status = "okay";
109};
110
111&i2c0 {
112	pinctrl-names = "default";
113	pinctrl-0 = <&i2c0_pins_a>;
114	status = "okay";
115
116	axp209: pmic@34 {
117		reg = <0x34>;
118
119		/*
120		 * The interrupt is routed through the "External Fast
121		 * Interrupt Request" pin (ball G13 of the module)
122		 * directly to the main interrupt controller, without
123		 * any other controller interfering.
124		 */
125		interrupts = <0>;
126	};
127};
128
129#include "axp209.dtsi"
130
 
 
 
 
 
 
 
 
131&i2c1 {
132	pinctrl-names = "default";
133	pinctrl-0 = <&i2c1_pins_a>;
134	status = "disabled";
135};
136
137&i2c2 {
138	pinctrl-names = "default";
139	pinctrl-0 = <&i2c2_pins_a>;
140	status = "okay";
141
142	xio: gpio@38 {
143		compatible = "nxp,pcf8574a";
144		reg = <0x38>;
145
146		gpio-controller;
147		#gpio-cells = <2>;
148
149		interrupt-parent = <&pio>;
150		interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
151		interrupt-controller;
152		#interrupt-cells = <2>;
153	};
154};
155
156&mmc0_pins_a {
157	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
158};
159
160&mmc0 {
161	pinctrl-names = "default";
162	pinctrl-0 = <&mmc0_pins_a>;
163	vmmc-supply = <&reg_vcc3v3>;
164	mmc-pwrseq = <&mmc0_pwrseq>;
165	bus-width = <4>;
166	non-removable;
167	status = "okay";
168};
169
170&ohci0 {
171	status = "okay";
172};
173
174&otg_sram {
175	status = "okay";
176};
177
178&pio {
179	chip_vbus_pin: chip_vbus_pin@0 {
180		allwinner,pins = "PB10";
181		allwinner,function = "gpio_out";
182		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
183		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
184	};
185
186	chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
187	        allwinner,pins = "PC19";
188	        allwinner,function = "gpio_out";
189	        allwinner,drive = <SUN4I_PINCTRL_10_MA>;
190	        allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
191	};
192
193	chip_id_det_pin: chip_id_det_pin@0 {
194		allwinner,pins = "PG2";
195		allwinner,function = "gpio_in";
196		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
197		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
198	};
199
200	chip_w1_pin: chip_w1_pin@0 {
201		allwinner,pins = "PD2";
202		allwinner,function = "gpio_in";
203	        allwinner,drive = <SUN4I_PINCTRL_10_MA>;
204	        allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
205	};
206};
207
208&reg_dcdc2 {
209	regulator-min-microvolt = <1000000>;
210	regulator-max-microvolt = <1400000>;
211	regulator-name = "cpuvdd";
212	regulator-always-on;
213};
214
215&reg_dcdc3 {
216	regulator-min-microvolt = <1000000>;
217	regulator-max-microvolt = <1300000>;
218	regulator-name = "corevdd";
219	regulator-always-on;
220};
221
222&reg_ldo1 {
223	regulator-name = "rtcvdd";
224};
225
226&reg_ldo2 {
227	regulator-min-microvolt = <2700000>;
228	regulator-max-microvolt = <3300000>;
229	regulator-name = "avcc";
230	regulator-always-on;
231};
232
233/*
234 * Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT
235 * Chip.
236 *
237 * If those are not enabled, the SDIO part will not enumerate, and
238 * since there's no way currently to pass DT infos to an SDIO device,
239 * we cannot really do better than this ugly hack for now.
240 */
241&reg_ldo3 {
242	regulator-min-microvolt = <3300000>;
243	regulator-max-microvolt = <3300000>;
244	regulator-name = "vcc-wifi-1";
245	regulator-always-on;
246};
247
248&reg_ldo4 {
249	regulator-min-microvolt = <3300000>;
250	regulator-max-microvolt = <3300000>;
251	regulator-name = "vcc-wifi-2";
252	regulator-always-on;
253};
254
255&reg_ldo5 {
256	regulator-min-microvolt = <1800000>;
257	regulator-max-microvolt = <1800000>;
258	regulator-name = "vcc-1v8";
259};
260
261&reg_usb0_vbus {
262	pinctrl-0 = <&chip_vbus_pin>;
263	vin-supply = <&reg_vcc5v0>;
264	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
265	status = "okay";
266};
267
268&spi2 {
269	pinctrl-names = "default";
270	pinctrl-0 = <&spi2_pins_a>;
271	status = "disabled";
272};
273
274&tcon0 {
275	status = "okay";
276};
277
278&tve0 {
279	status = "okay";
280};
281
282&uart1 {
283	pinctrl-names = "default";
284	pinctrl-0 = <&uart1_pins_b>;
285	status = "okay";
286};
287
288&uart3 {
289	pinctrl-names = "default";
290	pinctrl-0 = <&uart3_pins_a>,
291		    <&uart3_pins_cts_rts_a>;
292	status = "okay";
293};
294
295&usb_otg {
296	dr_mode = "otg";
297	status = "okay";
298};
299
300&usb_power_supply {
301	status = "okay";
302};
303
304&usbphy {
305	pinctrl-names = "default";
306	pinctrl-0 = <&chip_id_det_pin>;
307	status = "okay";
308
309	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
310	usb0_vbus_power-supply = <&usb_power_supply>;
311	usb0_vbus-supply = <&reg_usb0_vbus>;
312	usb1_vbus-supply = <&reg_vcc5v0>;
313};