1/*
2 * Copyright (c) 2016 Andreas Färber
3 * Copyright (c) 2016 BayLibre, Inc.
4 * Author: Kevin Hilman <khilman@kernel.org>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 *  a) This library is free software; you can redistribute it and/or
12 *     modify it under the terms of the GNU General Public License as
13 *     published by the Free Software Foundation; either version 2 of the
14 *     License, or (at your option) any later version.
15 *
16 *     This library is distributed in the hope that it will be useful,
17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *     GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 *  b) Permission is hereby granted, free of charge, to any person
24 *     obtaining a copy of this software and associated documentation
25 *     files (the "Software"), to deal in the Software without
26 *     restriction, including without limitation the rights to use,
27 *     copy, modify, merge, publish, distribute, sublicense, and/or
28 *     sell copies of the Software, and to permit persons to whom the
29 *     Software is furnished to do so, subject to the following
30 *     conditions:
31 *
32 *     The above copyright notice and this permission notice shall be
33 *     included in all copies or substantial portions of the Software.
34 *
35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 *     OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45/dts-v1/;
46
47#include "meson-gxbb.dtsi"
48#include <dt-bindings/gpio/gpio.h>
49
50/ {
51	compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
52	model = "Hardkernel ODROID-C2";
53
54	aliases {
55		serial0 = &uart_AO;
56	};
57
58	chosen {
59		stdout-path = "serial0:115200n8";
60	};
61
62	memory@0 {
63		device_type = "memory";
64		reg = <0x0 0x0 0x0 0x80000000>;
65	};
66
67	usb_otg_pwr: regulator-usb-pwrs {
68		compatible = "regulator-fixed";
69
70		regulator-name = "USB_OTG_PWR";
71
72		regulator-min-microvolt = <5000000>;
73		regulator-max-microvolt = <5000000>;
74
75		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
76		enable-active-high;
77	};
78
79	leds {
80		compatible = "gpio-leds";
81		blue {
82			label = "c2:blue:alive";
83			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
84			linux,default-trigger = "heartbeat";
85			default-state = "off";
86		};
87	};
88
89	tflash_vdd: regulator-tflash_vdd {
90		/*
91		 * signal name from schematics: TFLASH_VDD_EN
92		 */
93		compatible = "regulator-fixed";
94
95		regulator-name = "TFLASH_VDD";
96		regulator-min-microvolt = <3300000>;
97		regulator-max-microvolt = <3300000>;
98
99		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
100		enable-active-high;
101	};
102
103	tf_io: gpio-regulator-tf_io {
104		compatible = "regulator-gpio";
105
106		regulator-name = "TF_IO";
107		regulator-min-microvolt = <1800000>;
108		regulator-max-microvolt = <3300000>;
109
110		/*
111		 * signal name from schematics: TF_3V3N_1V8_EN
112		 */
113		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
114		gpios-states = <0>;
115
116		states = <3300000 0
117			  1800000 1>;
118	};
119
120	vcc1v8: regulator-vcc1v8 {
121		compatible = "regulator-fixed";
122		regulator-name = "VCC1V8";
123		regulator-min-microvolt = <1800000>;
124		regulator-max-microvolt = <1800000>;
125	};
126
127	vcc3v3: regulator-vcc3v3 {
128		compatible = "regulator-fixed";
129		regulator-name = "VCC3V3";
130		regulator-min-microvolt = <3300000>;
131		regulator-max-microvolt = <3300000>;
132	};
133
134	emmc_pwrseq: emmc-pwrseq {
135		compatible = "mmc-pwrseq-emmc";
136		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
137	};
138};
139
140&scpi_clocks {
141	status = "disabled";
142};
143
144&uart_AO {
145	status = "okay";
146	pinctrl-0 = <&uart_ao_a_pins>;
147	pinctrl-names = "default";
148};
149
150&ethmac {
151	status = "okay";
152	pinctrl-0 = <&eth_rgmii_pins>;
153	pinctrl-names = "default";
154	phy-handle = <&eth_phy0>;
155	phy-mode = "rgmii";
156
157	snps,reset-gpio = <&gpio GPIOZ_14 0>;
158	snps,reset-delays-us = <0 10000 1000000>;
159	snps,reset-active-low;
160
161	amlogic,tx-delay-ns = <2>;
162
163	mdio {
164		compatible = "snps,dwmac-mdio";
165		#address-cells = <1>;
166		#size-cells = <0>;
167
168		eth_phy0: ethernet-phy@0 {
169			reg = <0>;
170			eee-broken-1000t;
171		};
172	};
173};
174
175&pinctrl_aobus {
176	gpio-line-names = "UART TX", "UART RX", "VCCK En", "TF 3V3/1V8 En",
177			  "USB HUB nRESET", "USB OTG Power En",
178			  "J7 Header Pin2", "IR In", "J7 Header Pin4",
179			  "J7 Header Pin6", "J7 Header Pin5", "J7 Header Pin7",
180			  "HDMI CEC", "SYS LED";
181};
182
183&pinctrl_periphs {
184	gpio-line-names = /* Bank GPIOZ */
185			  "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
186			  "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
187			  "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
188			  "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
189			  "Eth PHY nRESET", "Eth PHY Intc",
190			  /* Bank GPIOH */
191			  "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL", "",
192			  /* Bank BOOT */
193			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
194			  "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
195			  "eMMC Reset", "eMMC CMD",
196			  "", "", "", "", "", "", "",
197			  /* Bank CARD */
198			  "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
199			  "SDCard D3", "SDCard D2", "SDCard Det",
200			  /* Bank GPIODV */
201			  "", "", "", "", "", "", "", "", "", "", "", "", "",
202			  "", "", "", "", "", "", "", "", "", "", "",
203			  "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
204			  "PWM D", "PWM B",
205			  /* Bank GPIOY */
206			  "Revision Bit0", "Revision Bit1", "",
207			  "J2 Header Pin35", "", "", "", "J2 Header Pin36",
208			  "J2 Header Pin31", "", "", "", "TF VDD En",
209			  "J2 Header Pin32", "J2 Header Pin26", "", "",
210			  /* Bank GPIOX */
211			  "J2 Header Pin29", "J2 Header Pin24",
212			  "J2 Header Pin23", "J2 Header Pin22",
213			  "J2 Header Pin21", "J2 Header Pin18",
214			  "J2 Header Pin33", "J2 Header Pin19",
215			  "J2 Header Pin16", "J2 Header Pin15",
216			  "J2 Header Pin12", "J2 Header Pin13",
217			  "J2 Header Pin8", "J2 Header Pin10",
218			  "", "", "", "", "",
219			  "J2 Header Pin11", "", "J2 Header Pin7",
220			  /* Bank GPIOCLK */
221			  "", "", "", "",
222			  /* GPIO_TEST_N */
223			  "";
224};
225
226&ir {
227	status = "okay";
228	pinctrl-0 = <&remote_input_ao_pins>;
229	pinctrl-names = "default";
230};
231
232&i2c_A {
233	status = "okay";
234	pinctrl-0 = <&i2c_a_pins>;
235	pinctrl-names = "default";
236};
237
238&gpio_ao {
239	/*
240	 * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
241	 * to be turned high in order to be detected by the USB Controller
242	 * This signal should be handled by a USB specific power sequence
243	 * in order to reset the Hub when USB bus is powered down.
244	 */
245	usb-hub {
246		gpio-hog;
247		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
248		output-high;
249		line-name = "usb-hub-reset";
250	};
251};
252
253&usb0_phy {
254	status = "okay";
255	phy-supply = <&usb_otg_pwr>;
256};
257
258&usb1_phy {
259	status = "okay";
260};
261
262&usb0 {
263	status = "okay";
264};
265
266&usb1 {
267	status = "okay";
268};
269
270&saradc {
271	status = "okay";
272	vref-supply = <&vcc1v8>;
273};
274
275/* SD */
276&sd_emmc_b {
277	status = "okay";
278	pinctrl-0 = <&sdcard_pins>;
279	pinctrl-names = "default";
280
281	bus-width = <4>;
282	cap-sd-highspeed;
283	max-frequency = <100000000>;
284	disable-wp;
285
286	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
287	cd-inverted;
288
289	vmmc-supply = <&tflash_vdd>;
290	vqmmc-supply = <&tf_io>;
291};
292
293/* eMMC */
294&sd_emmc_c {
295	status = "okay";
296	pinctrl-0 = <&emmc_pins>;
297	pinctrl-names = "default";
298
299	bus-width = <8>;
300	cap-sd-highspeed;
301	max-frequency = <200000000>;
302	non-removable;
303	disable-wp;
304	cap-mmc-highspeed;
305	mmc-ddr-1_8v;
306	mmc-hs200-1_8v;
307
308	mmc-pwrseq = <&emmc_pwrseq>;
309	vmmc-supply = <&vcc3v3>;
310	vqmmc-supply = <&vcc1v8>;
311};
312