1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/*
3 * Copyright 2015 Endless Mobile, Inc.
4 * Author: Carlo Caione <carlo@endlessm.com>
5 */
6
7/dts-v1/;
8#include "meson8b.dtsi"
9#include <dt-bindings/gpio/gpio.h>
10
11/ {
12	model = "Hardkernel ODROID-C1";
13	compatible = "hardkernel,odroid-c1", "amlogic,meson8b";
14
15	aliases {
16		serial0 = &uart_AO;
17		mmc0 = &sd_card_slot;
18	};
19
20	chosen {
21		stdout-path = "serial0:115200n8";
22	};
23
24	memory {
25		device_type = "memory";
26		reg = <0x40000000 0x40000000>;
27	};
28
29	leds {
30		compatible = "gpio-leds";
31		blue {
32			label = "c1:blue:alive";
33			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
34			linux,default-trigger = "heartbeat";
35			default-state = "off";
36		};
37	};
38
39	p5v0: regulator-p5v0 {
40		compatible = "regulator-fixed";
41
42		regulator-name = "P5V0";
43		regulator-min-microvolt = <5000000>;
44		regulator-max-microvolt = <5000000>;
45	};
46
47	tflash_vdd: regulator-tflash_vdd {
48		/*
49		 * signal name from schematics: TFLASH_VDD_EN
50		 */
51		compatible = "regulator-fixed";
52
53		regulator-name = "TFLASH_VDD";
54		regulator-min-microvolt = <3300000>;
55		regulator-max-microvolt = <3300000>;
56
57		vin-supply = <&vcc_3v3>;
58
59		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
60		enable-active-high;
61	};
62
63	tf_io: gpio-regulator-tf_io {
64		compatible = "regulator-gpio";
65
66		regulator-name = "TF_IO";
67		regulator-min-microvolt = <1800000>;
68		regulator-max-microvolt = <3300000>;
69
70		vin-supply = <&vcc_3v3>;
71
72		/*
73		 * signal name from schematics: TF_3V3N_1V8_EN
74		 */
75		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
76		gpios-states = <0>;
77
78		states = <3300000 0
79			  1800000 1>;
80	};
81
82	iio-hwmon {
83		compatible = "iio-hwmon";
84		io-channels = <&saradc 8>;
85	};
86
87	rtc32k_xtal: rtc32k-xtal-clk {
88		/* X3 in the schematics */
89		compatible = "fixed-clock";
90		clock-frequency = <32768>;
91		clock-output-names = "RTC32K";
92		#clock-cells = <0>;
93	};
94
95	vcc_1v8: regulator-vcc-1v8 {
96		/*
97		 * RICHTEK RT9179 configured for a fixed output voltage of
98		 * 1.8V. This supplies not only VCC1V8 but also IOREF_1V8 and
99		 * VDD1V8 according to the schematics.
100		 */
101		compatible = "regulator-fixed";
102
103		regulator-name = "VCC1V8";
104		regulator-min-microvolt = <1800000>;
105		regulator-max-microvolt = <1800000>;
106
107		vin-supply = <&p5v0>;
108	};
109
110	vcc_3v3: regulator-vcc-3v3 {
111		/*
112		 * Monolithic Power Systems MP2161 configured for a fixed
113		 * output voltage of 3.3V. This supplies not only VCC3V3 but
114		 * also VDD3V3 and VDDIO_AO3V3 according to the schematics.
115		 */
116		compatible = "regulator-fixed";
117
118		regulator-name = "VCC3V3";
119		regulator-min-microvolt = <3300000>;
120		regulator-max-microvolt = <3300000>;
121
122		vin-supply = <&p5v0>;
123	};
124
125	vcck: regulator-vcck {
126		/* Monolithic Power Systems MP2161 */
127		compatible = "pwm-regulator";
128
129		regulator-name = "VCCK";
130		regulator-min-microvolt = <860000>;
131		regulator-max-microvolt = <1140000>;
132
133		vin-supply = <&p5v0>;
134
135		pwms = <&pwm_cd 0 12218 0>;
136		pwm-dutycycle-range = <91 0>;
137
138		regulator-boot-on;
139		regulator-always-on;
140	};
141
142	vddc_ddr: regulator-vddc-ddr {
143		/*
144		 * Monolithic Power Systems MP2161 configured for a fixed
145		 * output voltage of 1.5V. This supplies not only DDR_VDDC but
146		 * also DDR3_1V5 according to the schematics.
147		 */
148		compatible = "regulator-fixed";
149
150		regulator-name = "DDR_VDDC";
151		regulator-min-microvolt = <1500000>;
152		regulator-max-microvolt = <1500000>;
153
154		vin-supply = <&p5v0>;
155	};
156
157	vddee: regulator-vddee {
158		/* Monolithic Power Systems MP2161 */
159		compatible = "pwm-regulator";
160
161		regulator-name = "VDDEE";
162		regulator-min-microvolt = <860000>;
163		regulator-max-microvolt = <1140000>;
164
165		vin-supply = <&p5v0>;
166
167		pwms = <&pwm_cd 1 12218 0>;
168		pwm-dutycycle-range = <91 0>;
169
170		regulator-boot-on;
171		regulator-always-on;
172	};
173
174	vdd_rtc: regulator-vdd-rtc {
175		/*
176		 * Torex Semiconductor XC6215 configured for a fixed output of
177		 * 0.9V.
178		 */
179		compatible = "regulator-fixed";
180
181		regulator-name = "VDD_RTC";
182		regulator-min-microvolt = <900000>;
183		regulator-max-microvolt = <900000>;
184
185		vin-supply = <&vcc_3v3>;
186	};
187};
188
189&cpu0 {
190	cpu-supply = <&vcck>;
191};
192
193&efuse {
194	ethernet_mac_address: mac@1b4 {
195		reg = <0x1b4 0x6>;
196	};
197};
198
199&ethmac {
200	status = "okay";
201
202	pinctrl-0 = <&eth_rgmii_pins>;
203	pinctrl-names = "default";
204
205	phy-mode = "rgmii";
206	phy-handle = <&eth_phy>;
207	amlogic,tx-delay-ns = <4>;
208
209	nvmem-cells = <&ethernet_mac_address>;
210	nvmem-cell-names = "mac-address";
211
212	mdio {
213		compatible = "snps,dwmac-mdio";
214		#address-cells = <1>;
215		#size-cells = <0>;
216
217		/* Realtek RTL8211F (0x001cc916) */
218		eth_phy: ethernet-phy@0 {
219			reg = <0>;
220
221			reset-assert-us = <10000>;
222			reset-deassert-us = <30000>;
223			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
224
225			interrupt-parent = <&gpio_intc>;
226			/* GPIOH_3 */
227			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
228		};
229	};
230};
231
232&gpio {
233	gpio-line-names = /* Bank GPIOX */
234			  "J2 Header Pin 35", "J2 Header Pin 36",
235			  "J2 Header Pin 32", "J2 Header Pin 31",
236			  "J2 Header Pin 29", "J2 Header Pin 18",
237			  "J2 Header Pin 22", "J2 Header Pin 16",
238			  "J2 Header Pin 23", "J2 Header Pin 21",
239			  "J2 Header Pin 19", "J2 Header Pin 33",
240			  "J2 Header Pin 8", "J2 Header Pin 10",
241			  "J2 Header Pin 15", "J2 Header Pin 13",
242			  "J2 Header Pin 24", "J2 Header Pin 26",
243			  /* Bank GPIOY */
244			  "Revision (upper)", "Revision (lower)",
245			  "J2 Header Pin 7", "", "J2 Header Pin 12",
246			  "J2 Header Pin 11", "", "", "",
247			  "TFLASH_VDD_EN", "", "",
248			  /* Bank GPIODV */
249			  "VCCK_PWM (PWM_C)", "I2CA_SDA", "I2CA_SCL",
250			  "I2CB_SDA", "I2CB_SCL", "VDDEE_PWM (PWM_D)",
251			  "",
252			  /* Bank GPIOH */
253			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
254			  "ETH_PHY_INTR", "ETH_PHY_NRST", "ETH_TXD1",
255			  "ETH_TXD0", "ETH_TXD3", "ETH_TXD2",
256			  "ETH_RGMII_TX_CLK",
257			  /* Bank CARD */
258			  "SD_DATA1 (SDB_D1)", "SD_DATA0 (SDB_D0)",
259			  "SD_CLK",  "SD_CMD", "SD_DATA3 (SDB_D3)",
260			  "SD_DATA2 (SDB_D2)", "SD_CDN (SD_DET_N)",
261			  /* Bank BOOT */
262			  "SDC_D0 (EMMC)", "SDC_D1 (EMMC)",
263			  "SDC_D2 (EMMC)", "SDC_D3 (EMMC)",
264			  "SDC_D4 (EMMC)", "SDC_D5 (EMMC)",
265			  "SDC_D6 (EMMC)", "SDC_D7 (EMMC)",
266			  "SDC_CLK (EMMC)", "SDC_RSTn (EMMC)",
267			  "SDC_CMD (EMMC)", "BOOT_SEL", "", "", "",
268			  "", "", "", "",
269			  /* Bank DIF */
270			  "ETH_RXD1", "ETH_RXD0", "ETH_RX_DV",
271			  "RGMII_RX_CLK", "ETH_RXD3", "ETH_RXD2",
272			  "ETH_TXEN", "ETH_PHY_REF_CLK_25MOUT",
273			  "ETH_MDC", "ETH_MDIO";
274};
275
276&gpio_ao {
277	gpio-line-names = "UART TX", "UART RX", "",
278			  "TF_3V3N_1V8_EN", "USB_HUB_RST_N",
279			  "USB_OTG_PWREN", "J7 Header Pin 2",
280			  "IR_IN", "J7 Header Pin 4",
281			  "J7 Header Pin 6", "J7 Header Pin 5",
282			  "J7 Header Pin 7", "HDMI_CEC",
283			  "SYS_LED", "", "";
284
285	/*
286	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
287	 * to be turned high in order to be detected by the USB Controller.
288	 * This signal should be handled by a USB specific power sequence
289	 * in order to reset the Hub when USB bus is powered down.
290	 */
291	usb-hub {
292		gpio-hog;
293		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
294		output-high;
295		line-name = "usb-hub-reset";
296	};
297};
298
299&ir_receiver {
300	status = "okay";
301	pinctrl-0 = <&ir_recv_pins>;
302	pinctrl-names = "default";
303};
304
305&mali {
306	mali-supply = <&vddee>;
307};
308
309&saradc {
310	status = "okay";
311	vref-supply = <&vcc_1v8>;
312};
313
314&sdio {
315	status = "okay";
316
317	pinctrl-0 = <&sd_b_pins>;
318	pinctrl-names = "default";
319
320	/* SD card */
321	sd_card_slot: slot@1 {
322		compatible = "mmc-slot";
323		reg = <1>;
324		status = "okay";
325
326		bus-width = <4>;
327		no-sdio;
328		cap-mmc-highspeed;
329		cap-sd-highspeed;
330		disable-wp;
331
332		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
333
334		vmmc-supply = <&tflash_vdd>;
335		vqmmc-supply = <&tf_io>;
336	};
337};
338
339&pwm_cd {
340	status = "okay";
341	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
342	pinctrl-names = "default";
343	clocks = <&xtal>, <&xtal>;
344	clock-names = "clkin0", "clkin1";
345};
346
347&rtc {
348	/* needs to be enabled manually when a battery is connected */
349	clocks = <&rtc32k_xtal>;
350	vdd-supply = <&vdd_rtc>;
351};
352
353&uart_AO {
354	status = "okay";
355	pinctrl-0 = <&uart_ao_a_pins>;
356	pinctrl-names = "default";
357};
358
359&usb1_phy {
360	status = "okay";
361};
362
363&usb1 {
364	status = "okay";
365};
366