xref: /linux/arch/arm/boot/dts/microchip/at91-kizbox2-common.dtsi (revision 7f71507851fc7764b36a3221839607d3a45c2025)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * at91-kizbox2_common.dtsi - Device Tree Include file for
4 * Overkiz Kizbox 2 family SoC
5 *
6 * Copyright (C) 2014-2018 Overkiz SAS
7 *
8 * Authors: Antoine Aubert <a.aubert@overkiz.com>
9 *          Gaël Portay <g.portay@overkiz.com>
10 *          Kévin Raymond <k.raymond@overkiz.com>
11 */
12#include "sama5d31.dtsi"
13
14/ {
15	chosen {
16		bootargs = "ubi.mtd=ubi";
17		stdout-path = &dbgu;
18	};
19
20	memory@20000000 {
21		reg = <0x20000000 0x10000000>;
22	};
23
24	clocks {
25		slow_xtal {
26			clock-frequency = <32768>;
27		};
28
29		main_xtal {
30			clock-frequency = <12000000>;
31		};
32	};
33
34	gpio-keys {
35		compatible = "gpio-keys";
36
37		button-prog {
38			label = "PB_PROG";
39			gpios = <&pioE 27 GPIO_ACTIVE_LOW>;
40			linux,code = <0x102>;
41			wakeup-source;
42		};
43
44		button-reset {
45			label = "PB_RST";
46			gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
47			linux,code = <0x100>;
48			wakeup-source;
49		};
50
51		button-user {
52			label = "PB_USER";
53			gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
54			linux,code = <0x101>;
55			wakeup-source;
56		};
57	};
58
59	led-controller {
60		compatible = "pwm-leds";
61
62		led-1 {
63			label = "pwm:blue:user";
64			pwms = <&pwm0 2 10000000 0>;
65			max-brightness = <255>;
66			linux,default-trigger = "none";
67		};
68
69		led-2 {
70			label = "pwm:green:user";
71			pwms = <&pwm0 1 10000000 0>;
72			max-brightness = <255>;
73			linux,default-trigger = "default-on";
74		};
75
76		led-3 {
77			label = "pwm:red:user";
78			pwms = <&pwm0 0 10000000 0>;
79			max-brightness = <255>;
80			linux,default-trigger = "default-on";
81		};
82	};
83};
84
85&i2c1 {
86	status = "okay";
87
88	act8865: pmic@5b {
89		compatible = "active-semi,act8865";
90		reg = <0x5b>;
91		status = "okay";
92
93		regulators {
94			vcc_1v8_reg: DCDC_REG1 {
95				regulator-name = "VCC_1V8";
96				regulator-min-microvolt = <1800000>;
97				regulator-max-microvolt = <1800000>;
98				regulator-always-on;
99			};
100
101			vcc_1v2_reg: DCDC_REG2 {
102				regulator-name = "VCC_1V2";
103				regulator-min-microvolt = <1200000>;
104				regulator-max-microvolt = <1200000>;
105				regulator-always-on;
106			};
107
108			vcc_3v3_reg: DCDC_REG3 {
109				regulator-name = "VCC_3V3";
110				regulator-min-microvolt = <3300000>;
111				regulator-max-microvolt = <3300000>;
112				regulator-always-on;
113			};
114
115			vddfuse_reg: LDO_REG1 {
116				regulator-name = "FUSE_2V5";
117				regulator-min-microvolt = <2500000>;
118				regulator-max-microvolt = <2500000>;
119			};
120
121			vddana_reg: LDO_REG2 {
122				regulator-name = "VDDANA";
123				regulator-min-microvolt = <3300000>;
124				regulator-max-microvolt = <3300000>;
125				regulator-always-on;
126			};
127
128			vled_reg: LDO_REG3 {
129				regulator-name = "VLED";
130				regulator-min-microvolt = <3300000>;
131				regulator-max-microvolt = <3300000>;
132				regulator-always-on;
133			};
134
135			v3v8_rf_reg: LDO_REG4 {
136				regulator-name = "V3V8_RF";
137				regulator-min-microvolt = <3800000>;
138				regulator-max-microvolt = <3800000>;
139				regulator-always-on;
140			};
141		};
142	};
143};
144
145&usart0 {
146	atmel,use-dma-rx;
147	atmel,use-dma-tx;
148	status = "disabled";
149};
150
151&usart1 {
152	atmel,use-dma-rx;
153	atmel,use-dma-tx;
154	status = "disabled";
155};
156
157&usart2 {
158	atmel,use-dma-rx;
159	atmel,use-dma-tx;
160	status = "disabled";
161};
162
163&pwm0 {
164	pinctrl-names = "default";
165	pinctrl-0 = <&pinctrl_pwm0_pwmh0_1
166		     &pinctrl_pwm0_pwmh1_1
167		     &pinctrl_pwm0_pwmh2_0>;
168	status = "okay";
169};
170
171&adc0 {
172	atmel,adc-vref = <3333>;
173	status = "okay";
174};
175
176&macb1 {
177	phy-mode = "rmii";
178	status = "okay";
179};
180
181&dbgu {
182	status = "okay";
183};
184
185&watchdog {
186	status = "okay";
187};
188
189&ebi {
190	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
191	pinctrl-names = "default";
192	status = "okay";
193};
194
195&nand_controller {
196	status = "okay";
197
198	nand@3 {
199		reg = <0x3 0x0 0x2>;
200		atmel,rb = <0>;
201		nand-bus-width = <8>;
202		nand-ecc-mode = "hw";
203		nand-ecc-strength = <4>;
204		nand-ecc-step-size = <512>;
205		nand-on-flash-bbt;
206		label = "atmel_nand";
207
208		partitions {
209			compatible = "fixed-partitions";
210			#address-cells = <1>;
211			#size-cells = <1>;
212
213			bootstrap@0 {
214				label = "bootstrap";
215				reg = <0x0 0x20000>;
216			};
217
218			ubi@20000 {
219				label = "ubi";
220				reg = <0x20000 0x7fe0000>;
221			};
222		};
223	};
224};
225
226&usb1 {
227	status = "okay";
228};
229
230&usb2 {
231	status = "okay";
232};
233
234/* WMBUS (inverted with IO in the latest schematic) */
235&pinctrl_usart0 {
236	atmel,pins =
237		<AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_NONE
238		 AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
239		 AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
240};
241
242/* RTS */
243&pinctrl_usart1 {
244	atmel,pins =
245		<AT91_PIOB 28 AT91_PERIPH_A AT91_PINCTRL_NONE
246		 AT91_PIOB 29 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
247		 AT91_PIOE 7 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
248};
249
250/* IO (inverted with WMBUS in the latest schematic) */
251&pinctrl_usart2 {
252	atmel,pins =
253		<AT91_PIOE 25 AT91_PERIPH_B AT91_PINCTRL_NONE
254		 AT91_PIOE 26 AT91_PERIPH_B AT91_PINCTRL_PULL_UP
255		 AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
256};
257