• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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	iio-hwmon {
89		compatible = "iio-hwmon";
90		io-channels = <&saradc 8>;
91	};
92
93	rtc32k_xtal: rtc32k-xtal-clk {
94		/* X3 in the schematics */
95		compatible = "fixed-clock";
96		clock-frequency = <32768>;
97		clock-output-names = "RTC32K";
98		#clock-cells = <0>;
99	};
100
101	vcc_1v8: regulator-vcc-1v8 {
102		/*
103		 * RICHTEK RT9179 configured for a fixed output voltage of
104		 * 1.8V. This supplies not only VCC1V8 but also IOREF_1V8 and
105		 * VDD1V8 according to the schematics.
106		 */
107		compatible = "regulator-fixed";
108
109		regulator-name = "VCC1V8";
110		regulator-min-microvolt = <1800000>;
111		regulator-max-microvolt = <1800000>;
112
113		vin-supply = <&p5v0>;
114	};
115
116	vcc_3v3: regulator-vcc-3v3 {
117		/*
118		 * Monolithic Power Systems MP2161 configured for a fixed
119		 * output voltage of 3.3V. This supplies not only VCC3V3 but
120		 * also VDD3V3 and VDDIO_AO3V3 according to the schematics.
121		 */
122		compatible = "regulator-fixed";
123
124		regulator-name = "VCC3V3";
125		regulator-min-microvolt = <3300000>;
126		regulator-max-microvolt = <3300000>;
127
128		vin-supply = <&p5v0>;
129	};
130
131	vcck: regulator-vcck {
132		/* Monolithic Power Systems MP2161 */
133		compatible = "pwm-regulator";
134
135		regulator-name = "VCCK";
136		regulator-min-microvolt = <860000>;
137		regulator-max-microvolt = <1140000>;
138
139		pwm-supply = <&p5v0>;
140
141		pwms = <&pwm_cd 0 12218 0>;
142		pwm-dutycycle-range = <91 0>;
143
144		regulator-boot-on;
145		regulator-always-on;
146	};
147
148	vddc_ddr: regulator-vddc-ddr {
149		/*
150		 * Monolithic Power Systems MP2161 configured for a fixed
151		 * output voltage of 1.5V. This supplies not only DDR_VDDC but
152		 * also DDR3_1V5 according to the schematics.
153		 */
154		compatible = "regulator-fixed";
155
156		regulator-name = "DDR_VDDC";
157		regulator-min-microvolt = <1500000>;
158		regulator-max-microvolt = <1500000>;
159
160		vin-supply = <&p5v0>;
161	};
162
163	vddee: regulator-vddee {
164		/* Monolithic Power Systems MP2161 */
165		compatible = "pwm-regulator";
166
167		regulator-name = "VDDEE";
168		regulator-min-microvolt = <860000>;
169		regulator-max-microvolt = <1140000>;
170
171		pwm-supply = <&p5v0>;
172
173		pwms = <&pwm_cd 1 12218 0>;
174		pwm-dutycycle-range = <91 0>;
175
176		regulator-boot-on;
177		regulator-always-on;
178	};
179
180	vdd_rtc: regulator-vdd-rtc {
181		/*
182		 * Torex Semiconductor XC6215 configured for a fixed output of
183		 * 0.9V.
184		 */
185		compatible = "regulator-fixed";
186
187		regulator-name = "VDD_RTC";
188		regulator-min-microvolt = <900000>;
189		regulator-max-microvolt = <900000>;
190
191		vin-supply = <&vcc_3v3>;
192	};
193};
194
195&cpu0 {
196	cpu-supply = <&vcck>;
197};
198
199&efuse {
200	ethernet_mac_address: mac@1b4 {
201		reg = <0x1b4 0x6>;
202	};
203};
204
205&ethmac {
206	status = "okay";
207
208	pinctrl-0 = <&eth_rgmii_pins>;
209	pinctrl-names = "default";
210
211	phy-handle = <&eth_phy>;
212	phy-mode = "rgmii-id";
213
214	nvmem-cells = <&ethernet_mac_address>;
215	nvmem-cell-names = "mac-address";
216
217	mdio {
218		compatible = "snps,dwmac-mdio";
219		#address-cells = <1>;
220		#size-cells = <0>;
221
222		/* Realtek RTL8211F (0x001cc916) */
223		eth_phy: ethernet-phy@0 {
224			reg = <0>;
225
226			reset-assert-us = <10000>;
227			reset-deassert-us = <80000>;
228			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
229
230			interrupt-parent = <&gpio_intc>;
231			/* GPIOH_3 */
232			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
233		};
234	};
235};
236
237&gpio {
238	gpio-line-names = /* Bank GPIOX */
239			  "J2 Header Pin 35", "J2 Header Pin 36",
240			  "J2 Header Pin 32", "J2 Header Pin 31",
241			  "J2 Header Pin 29", "J2 Header Pin 18",
242			  "J2 Header Pin 22", "J2 Header Pin 16",
243			  "J2 Header Pin 23", "J2 Header Pin 21",
244			  "J2 Header Pin 19", "J2 Header Pin 33",
245			  "J2 Header Pin 8", "J2 Header Pin 10",
246			  "J2 Header Pin 15", "J2 Header Pin 13",
247			  "J2 Header Pin 24", "J2 Header Pin 26",
248			  /* Bank GPIOY */
249			  "Revision (upper)", "Revision (lower)",
250			  "J2 Header Pin 7", "", "J2 Header Pin 12",
251			  "J2 Header Pin 11", "", "", "",
252			  "TFLASH_VDD_EN", "", "",
253			  /* Bank GPIODV */
254			  "VCCK_PWM (PWM_C)", "I2CA_SDA", "I2CA_SCL",
255			  "I2CB_SDA", "I2CB_SCL", "VDDEE_PWM (PWM_D)",
256			  "",
257			  /* Bank GPIOH */
258			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
259			  "ETH_PHY_INTR", "ETH_PHY_NRST", "ETH_TXD1",
260			  "ETH_TXD0", "ETH_TXD3", "ETH_TXD2",
261			  "ETH_RGMII_TX_CLK",
262			  /* Bank CARD */
263			  "SD_DATA1 (SDB_D1)", "SD_DATA0 (SDB_D0)",
264			  "SD_CLK",  "SD_CMD", "SD_DATA3 (SDB_D3)",
265			  "SD_DATA2 (SDB_D2)", "SD_CDN (SD_DET_N)",
266			  /* Bank BOOT */
267			  "SDC_D0 (EMMC)", "SDC_D1 (EMMC)",
268			  "SDC_D2 (EMMC)", "SDC_D3 (EMMC)",
269			  "SDC_D4 (EMMC)", "SDC_D5 (EMMC)",
270			  "SDC_D6 (EMMC)", "SDC_D7 (EMMC)",
271			  "SDC_CLK (EMMC)", "SDC_RSTn (EMMC)",
272			  "SDC_CMD (EMMC)", "BOOT_SEL", "", "", "",
273			  "", "", "", "",
274			  /* Bank DIF */
275			  "ETH_RXD1", "ETH_RXD0", "ETH_RX_DV",
276			  "RGMII_RX_CLK", "ETH_RXD3", "ETH_RXD2",
277			  "ETH_TXEN", "ETH_PHY_REF_CLK_25MOUT",
278			  "ETH_MDC", "ETH_MDIO";
279};
280
281&gpio_ao {
282	gpio-line-names = "UART TX", "UART RX", "",
283			  "TF_3V3N_1V8_EN", "USB_HUB_RST_N",
284			  "USB_OTG_PWREN", "J7 Header Pin 2",
285			  "IR_IN", "J7 Header Pin 4",
286			  "J7 Header Pin 6", "J7 Header Pin 5",
287			  "J7 Header Pin 7", "HDMI_CEC",
288			  "SYS_LED", "", "";
289
290	/*
291	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
292	 * to be turned high in order to be detected by the USB Controller.
293	 * This signal should be handled by a USB specific power sequence
294	 * in order to reset the Hub when USB bus is powered down.
295	 */
296	usb-hub {
297		gpio-hog;
298		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
299		output-high;
300		line-name = "usb-hub-reset";
301	};
302};
303
304&ir_receiver {
305	status = "okay";
306	pinctrl-0 = <&ir_recv_pins>;
307	pinctrl-names = "default";
308};
309
310&mali {
311	mali-supply = <&vddee>;
312};
313
314&saradc {
315	status = "okay";
316	vref-supply = <&vcc_1v8>;
317};
318
319&sdhc {
320	status = "okay";
321
322	pinctrl-0 = <&sdxc_c_pins>;
323	pinctrl-names = "default";
324
325	bus-width = <8>;
326	max-frequency = <100000000>;
327
328	disable-wp;
329	cap-mmc-highspeed;
330	mmc-hs200-1_8v;
331	no-sdio;
332
333	mmc-pwrseq = <&emmc_pwrseq>;
334
335	vmmc-supply = <&vcc_3v3>;
336	vqmmc-supply = <&vcc_1v8>;
337};
338
339&sdio {
340	status = "okay";
341
342	pinctrl-0 = <&sd_b_pins>;
343	pinctrl-names = "default";
344
345	/* SD card */
346	sd_card_slot: slot@1 {
347		compatible = "mmc-slot";
348		reg = <1>;
349		status = "okay";
350
351		bus-width = <4>;
352		no-sdio;
353		cap-mmc-highspeed;
354		cap-sd-highspeed;
355		disable-wp;
356
357		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
358
359		vmmc-supply = <&tflash_vdd>;
360		vqmmc-supply = <&tf_io>;
361	};
362};
363
364&pwm_cd {
365	status = "okay";
366	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
367	pinctrl-names = "default";
368	clocks = <&xtal>, <&xtal>;
369	clock-names = "clkin0", "clkin1";
370};
371
372&rtc {
373	/* needs to be enabled manually when a battery is connected */
374	clocks = <&rtc32k_xtal>;
375	vdd-supply = <&vdd_rtc>;
376};
377
378&uart_AO {
379	status = "okay";
380	pinctrl-0 = <&uart_ao_a_pins>;
381	pinctrl-names = "default";
382};
383
384&usb1_phy {
385	status = "okay";
386};
387
388&usb1 {
389	status = "okay";
390};
391