1/*
2 * Copyright 2013 Maxime Ripard
3 *
4 * Maxime Ripard <maxime.ripard@free-electrons.com>
5 *
6 * The code contained herein is licensed under the GNU General Public
7 * License. You may obtain a copy of the GNU General Public License
8 * Version 2 or later at the following locations:
9 *
10 * http://www.opensource.org/licenses/gpl-license.html
11 * http://www.gnu.org/copyleft/gpl.html
12 */
13
14/dts-v1/;
15#include "sun7i-a20.dtsi"
16#include "sunxi-common-regulators.dtsi"
17
18#include <dt-bindings/gpio/gpio.h>
19#include <dt-bindings/input/input.h>
20#include <dt-bindings/interrupt-controller/irq.h>
21#include <dt-bindings/pinctrl/sun4i-a10.h>
22
23/ {
24	model = "Olimex A20-Olinuxino Micro";
25	compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
26
27	aliases {
28		serial0 = &uart0;
29		serial1 = &uart6;
30		serial2 = &uart7;
31		spi0 = &spi1;
32		spi1 = &spi2;
33	};
34
35	soc@01c00000 {
36		spi1: spi@01c06000 {
37			pinctrl-names = "default";
38			pinctrl-0 = <&spi1_pins_a>;
39			status = "okay";
40		};
41
42		mmc0: mmc@01c0f000 {
43			pinctrl-names = "default";
44			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
45			vmmc-supply = <&reg_vcc3v3>;
46			bus-width = <4>;
47			cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
48			cd-inverted;
49			status = "okay";
50		};
51
52		mmc3: mmc@01c12000 {
53			pinctrl-names = "default";
54			pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olinuxinom>;
55			vmmc-supply = <&reg_vcc3v3>;
56			bus-width = <4>;
57			cd-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
58			cd-inverted;
59			status = "okay";
60		};
61
62		usbphy: phy@01c13400 {
63			usb1_vbus-supply = <&reg_usb1_vbus>;
64			usb2_vbus-supply = <&reg_usb2_vbus>;
65			status = "okay";
66		};
67
68		ehci0: usb@01c14000 {
69			status = "okay";
70		};
71
72		ohci0: usb@01c14400 {
73			status = "okay";
74		};
75
76		spi2: spi@01c17000 {
77			pinctrl-names = "default";
78			pinctrl-0 = <&spi2_pins_a>;
79			status = "okay";
80		};
81
82		ahci: sata@01c18000 {
83			target-supply = <&reg_ahci_5v>;
84			status = "okay";
85		};
86
87		ehci1: usb@01c1c000 {
88			status = "okay";
89		};
90
91		ohci1: usb@01c1c400 {
92			status = "okay";
93		};
94
95		pinctrl@01c20800 {
96			mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
97				allwinner,pins = "PH11";
98				allwinner,function = "gpio_in";
99				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
100				allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
101			};
102
103			led_pins_olinuxino: led_pins@0 {
104				allwinner,pins = "PH2";
105				allwinner,function = "gpio_out";
106				allwinner,drive = <SUN4I_PINCTRL_20_MA>;
107				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
108			};
109		};
110
111		lradc: lradc@01c22800 {
112			vref-supply = <&reg_vcc3v0>;
113			status = "okay";
114
115			button@191 {
116				label = "Volume Up";
117				linux,code = <KEY_VOLUMEUP>;
118				channel = <0>;
119				voltage = <191274>;
120			};
121
122			button@392 {
123				label = "Volume Down";
124				linux,code = <KEY_VOLUMEDOWN>;
125				channel = <0>;
126				voltage = <392644>;
127			};
128
129			button@601 {
130				label = "Menu";
131				linux,code = <KEY_MENU>;
132				channel = <0>;
133				voltage = <601151>;
134			};
135
136			button@795 {
137				label = "Search";
138				linux,code = <KEY_SEARCH>;
139				channel = <0>;
140				voltage = <795090>;
141			};
142
143			button@987 {
144				label = "Home";
145				linux,code = <KEY_HOMEPAGE>;
146				channel = <0>;
147				voltage = <987387>;
148			};
149
150			button@1184 {
151				label = "Esc";
152				linux,code = <KEY_ESC>;
153				channel = <0>;
154				voltage = <1184678>;
155			};
156
157			button@1398 {
158				label = "Enter";
159				linux,code = <KEY_ENTER>;
160				channel = <0>;
161				voltage = <1398804>;
162			};
163		};
164
165		uart0: serial@01c28000 {
166			pinctrl-names = "default";
167			pinctrl-0 = <&uart0_pins_a>;
168			status = "okay";
169		};
170
171		uart6: serial@01c29800 {
172			pinctrl-names = "default";
173			pinctrl-0 = <&uart6_pins_a>;
174			status = "okay";
175		};
176
177		uart7: serial@01c29c00 {
178			pinctrl-names = "default";
179			pinctrl-0 = <&uart7_pins_a>;
180			status = "okay";
181		};
182
183		i2c0: i2c@01c2ac00 {
184			pinctrl-names = "default";
185			pinctrl-0 = <&i2c0_pins_a>;
186			status = "okay";
187
188			axp209: pmic@34 {
189				compatible = "x-powers,axp209";
190				reg = <0x34>;
191				interrupt-parent = <&nmi_intc>;
192				interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
193
194				interrupt-controller;
195				#interrupt-cells = <1>;
196			};
197		};
198
199		i2c1: i2c@01c2b000 {
200			pinctrl-names = "default";
201			pinctrl-0 = <&i2c1_pins_a>;
202			status = "okay";
203		};
204
205		i2c2: i2c@01c2b400 {
206			pinctrl-names = "default";
207			pinctrl-0 = <&i2c2_pins_a>;
208			status = "okay";
209		};
210
211		gmac: ethernet@01c50000 {
212			pinctrl-names = "default";
213			pinctrl-0 = <&gmac_pins_mii_a>;
214			phy = <&phy1>;
215			phy-mode = "mii";
216			status = "okay";
217
218			phy1: ethernet-phy@1 {
219				reg = <1>;
220			};
221		};
222	};
223
224	leds {
225		compatible = "gpio-leds";
226		pinctrl-names = "default";
227		pinctrl-0 = <&led_pins_olinuxino>;
228
229		green {
230			label = "a20-olinuxino-micro:green:usr";
231			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
232			default-state = "on";
233		};
234	};
235
236	reg_ahci_5v: ahci-5v {
237		status = "okay";
238	};
239
240	reg_usb1_vbus: usb1-vbus {
241		status = "okay";
242	};
243
244	reg_usb2_vbus: usb2-vbus {
245		status = "okay";
246	};
247};
248