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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
199ðmac {
200 status = "okay";
201
202 pinctrl-0 = <ð_rgmii_pins>;
203 pinctrl-names = "default";
204
205 phy-mode = "rgmii";
206 phy-handle = <ð_phy>;
207 amlogic,tx-delay-ns = <4>;
208
209 nvmem-cells = <ðernet_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 = <&clkc CLKID_XTAL>, <&clkc CLKID_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};