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		mmc1 = &sdhc;
19	};
20
21	chosen {
22		stdout-path = "serial0:115200n8";
23	};
24
25	memory {
26		device_type = "memory";
27		reg = <0x40000000 0x40000000>;
28	};
29
30	emmc_pwrseq: emmc-pwrseq {
31		compatible = "mmc-pwrseq-emmc";
32		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
33	};
34
35	leds {
36		compatible = "gpio-leds";
37		blue {
38			label = "c1:blue:alive";
39			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
40			linux,default-trigger = "heartbeat";
41			default-state = "off";
42		};
43	};
44
45	p5v0: regulator-p5v0 {
46		compatible = "regulator-fixed";
47
48		regulator-name = "P5V0";
49		regulator-min-microvolt = <5000000>;
50		regulator-max-microvolt = <5000000>;
51	};
52
53	tflash_vdd: regulator-tflash_vdd {
54		/*
55		 * signal name from schematics: TFLASH_VDD_EN
56		 */
57		compatible = "regulator-fixed";
58
59		regulator-name = "TFLASH_VDD";
60		regulator-min-microvolt = <3300000>;
61		regulator-max-microvolt = <3300000>;
62
63		vin-supply = <&vcc_3v3>;
64
65		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
66		enable-active-high;
67	};
68
69	tf_io: gpio-regulator-tf_io {
70		compatible = "regulator-gpio";
71
72		regulator-name = "TF_IO";
73		regulator-min-microvolt = <1800000>;
74		regulator-max-microvolt = <3300000>;
75
76		vin-supply = <&vcc_3v3>;
77
78		/*
79		 * signal name from schematics: TF_3V3N_1V8_EN
80		 */
81		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
82		gpios-states = <0>;
83
84		states = <3300000 0
85			  1800000 1>;
86	};
87
88	rtc32k_xtal: rtc32k-xtal-clk {
89		/* X3 in the schematics */
90		compatible = "fixed-clock";
91		clock-frequency = <32768>;
92		clock-output-names = "RTC32K";
93		#clock-cells = <0>;
94	};
95
96	vcc_1v8: regulator-vcc-1v8 {
97		/*
98		 * RICHTEK RT9179 configured for a fixed output voltage of
99		 * 1.8V. This supplies not only VCC1V8 but also IOREF_1V8 and
100		 * VDD1V8 according to the schematics.
101		 */
102		compatible = "regulator-fixed";
103
104		regulator-name = "VCC1V8";
105		regulator-min-microvolt = <1800000>;
106		regulator-max-microvolt = <1800000>;
107
108		vin-supply = <&p5v0>;
109	};
110
111	vcc_3v3: regulator-vcc-3v3 {
112		/*
113		 * Monolithic Power Systems MP2161 configured for a fixed
114		 * output voltage of 3.3V. This supplies not only VCC3V3 but
115		 * also VDD3V3 and VDDIO_AO3V3 according to the schematics.
116		 */
117		compatible = "regulator-fixed";
118
119		regulator-name = "VCC3V3";
120		regulator-min-microvolt = <3300000>;
121		regulator-max-microvolt = <3300000>;
122
123		vin-supply = <&p5v0>;
124	};
125
126	vcck: regulator-vcck {
127		/* Monolithic Power Systems MP2161 */
128		compatible = "pwm-regulator";
129
130		regulator-name = "VCCK";
131		regulator-min-microvolt = <860000>;
132		regulator-max-microvolt = <1140000>;
133
134		pwm-supply = <&p5v0>;
135
136		pwms = <&pwm_cd 0 12218 0>;
137		pwm-dutycycle-range = <91 0>;
138
139		regulator-boot-on;
140		regulator-always-on;
141	};
142
143	vddc_ddr: regulator-vddc-ddr {
144		/*
145		 * Monolithic Power Systems MP2161 configured for a fixed
146		 * output voltage of 1.5V. This supplies not only DDR_VDDC but
147		 * also DDR3_1V5 according to the schematics.
148		 */
149		compatible = "regulator-fixed";
150
151		regulator-name = "DDR_VDDC";
152		regulator-min-microvolt = <1500000>;
153		regulator-max-microvolt = <1500000>;
154
155		vin-supply = <&p5v0>;
156	};
157
158	vddee: regulator-vddee {
159		/* Monolithic Power Systems MP2161 */
160		compatible = "pwm-regulator";
161
162		regulator-name = "VDDEE";
163		regulator-min-microvolt = <860000>;
164		regulator-max-microvolt = <1140000>;
165
166		pwm-supply = <&p5v0>;
167
168		pwms = <&pwm_cd 1 12218 0>;
169		pwm-dutycycle-range = <91 0>;
170
171		regulator-boot-on;
172		regulator-always-on;
173	};
174
175	vdd_rtc: regulator-vdd-rtc {
176		/*
177		 * Torex Semiconductor XC6215 configured for a fixed output of
178		 * 0.9V.
179		 */
180		compatible = "regulator-fixed";
181
182		regulator-name = "VDD_RTC";
183		regulator-min-microvolt = <900000>;
184		regulator-max-microvolt = <900000>;
185
186		vin-supply = <&vcc_3v3>;
187	};
188};
189
190&cpu0 {
191	cpu-supply = <&vcck>;
192};
193
194&efuse {
195	ethernet_mac_address: mac@1b4 {
196		reg = <0x1b4 0x6>;
197	};
198};
199
200&ethmac {
201	status = "okay";
202
203	pinctrl-0 = <&eth_rgmii_pins>;
204	pinctrl-names = "default";
205
206	phy-handle = <&eth_phy>;
207	phy-mode = "rgmii-id";
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 = <80000>;
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&sdhc {
315	status = "okay";
316
317	pinctrl-0 = <&sdxc_c_pins>;
318	pinctrl-names = "default";
319
320	bus-width = <8>;
321	max-frequency = <100000000>;
322
323	disable-wp;
324	cap-mmc-highspeed;
325	mmc-hs200-1_8v;
326	no-sdio;
327
328	mmc-pwrseq = <&emmc_pwrseq>;
329
330	vmmc-supply = <&vcc_3v3>;
331	vqmmc-supply = <&vcc_1v8>;
332};
333
334&sdio {
335	status = "okay";
336
337	pinctrl-0 = <&sd_b_pins>;
338	pinctrl-names = "default";
339
340	/* SD card */
341	sd_card_slot: slot@1 {
342		compatible = "mmc-slot";
343		reg = <1>;
344		status = "okay";
345
346		bus-width = <4>;
347		no-sdio;
348		cap-mmc-highspeed;
349		cap-sd-highspeed;
350		disable-wp;
351
352		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
353
354		vmmc-supply = <&tflash_vdd>;
355		vqmmc-supply = <&tf_io>;
356	};
357};
358
359&pwm_cd {
360	status = "okay";
361	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
362	pinctrl-names = "default";
363	clocks = <&xtal>, <&xtal>;
364	clock-names = "clkin0", "clkin1";
365};
366
367&rtc {
368	/* needs to be enabled manually when a battery is connected */
369	clocks = <&rtc32k_xtal>;
370	vdd-supply = <&vdd_rtc>;
371};
372
373&uart_AO {
374	status = "okay";
375	pinctrl-0 = <&uart_ao_a_pins>;
376	pinctrl-names = "default";
377};
378
379&usb1_phy {
380	status = "okay";
381};
382
383&usb1 {
384	status = "okay";
385};
386