tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 vdd_rtc: regulator-vdd-rtc {
158 /*
159 * Torex Semiconductor XC6215 configured for a fixed output of
160 * 0.9V.
161 */
162 compatible = "regulator-fixed";
163
164 regulator-name = "VDD_RTC";
165 regulator-min-microvolt = <900000>;
166 regulator-max-microvolt = <900000>;
167
168 vin-supply = <&vcc_3v3>;
169 };
170};
171
172&cpu0 {
173 cpu-supply = <&vcck>;
174};
175
176ðmac {
177 status = "okay";
178
179 pinctrl-0 = <ð_rgmii_pins>;
180 pinctrl-names = "default";
181
182 phy-mode = "rgmii";
183 phy-handle = <ð_phy>;
184 amlogic,tx-delay-ns = <4>;
185
186 mdio {
187 compatible = "snps,dwmac-mdio";
188 #address-cells = <1>;
189 #size-cells = <0>;
190
191 /* Realtek RTL8211F (0x001cc916) */
192 eth_phy: ethernet-phy@0 {
193 reg = <0>;
194
195 reset-assert-us = <10000>;
196 reset-deassert-us = <30000>;
197 reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
198
199 interrupt-parent = <&gpio_intc>;
200 /* GPIOH_3 */
201 interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
202 };
203 };
204};
205
206&gpio {
207 gpio-line-names = /* Bank GPIOX */
208 "J2 Header Pin 35", "J2 Header Pin 36",
209 "J2 Header Pin 32", "J2 Header Pin 31",
210 "J2 Header Pin 29", "J2 Header Pin 18",
211 "J2 Header Pin 22", "J2 Header Pin 16",
212 "J2 Header Pin 23", "J2 Header Pin 21",
213 "J2 Header Pin 19", "J2 Header Pin 33",
214 "J2 Header Pin 8", "J2 Header Pin 10",
215 "J2 Header Pin 15", "J2 Header Pin 13",
216 "J2 Header Pin 24", "J2 Header Pin 26",
217 /* Bank GPIOY */
218 "Revision (upper)", "Revision (lower)",
219 "J2 Header Pin 7", "", "J2 Header Pin 12",
220 "J2 Header Pin 11", "", "", "",
221 "TFLASH_VDD_EN", "", "",
222 /* Bank GPIODV */
223 "VCCK_PWM (PWM_C)", "I2CA_SDA", "I2CA_SCL",
224 "I2CB_SDA", "I2CB_SCL", "VDDEE_PWM (PWM_D)",
225 "",
226 /* Bank GPIOH */
227 "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
228 "ETH_PHY_INTR", "ETH_PHY_NRST", "ETH_TXD1",
229 "ETH_TXD0", "ETH_TXD3", "ETH_TXD2",
230 "ETH_RGMII_TX_CLK",
231 /* Bank CARD */
232 "SD_DATA1 (SDB_D1)", "SD_DATA0 (SDB_D0)",
233 "SD_CLK", "SD_CMD", "SD_DATA3 (SDB_D3)",
234 "SD_DATA2 (SDB_D2)", "SD_CDN (SD_DET_N)",
235 /* Bank BOOT */
236 "SDC_D0 (EMMC)", "SDC_D1 (EMMC)",
237 "SDC_D2 (EMMC)", "SDC_D3 (EMMC)",
238 "SDC_D4 (EMMC)", "SDC_D5 (EMMC)",
239 "SDC_D6 (EMMC)", "SDC_D7 (EMMC)",
240 "SDC_CLK (EMMC)", "SDC_RSTn (EMMC)",
241 "SDC_CMD (EMMC)", "BOOT_SEL", "", "", "",
242 "", "", "", "",
243 /* Bank DIF */
244 "ETH_RXD1", "ETH_RXD0", "ETH_RX_DV",
245 "RGMII_RX_CLK", "ETH_RXD3", "ETH_RXD2",
246 "ETH_TXEN", "ETH_PHY_REF_CLK_25MOUT",
247 "ETH_MDC", "ETH_MDIO";
248};
249
250&gpio_ao {
251 gpio-line-names = "UART TX", "UART RX", "",
252 "TF_3V3N_1V8_EN", "USB_HUB_RST_N",
253 "USB_OTG_PWREN", "J7 Header Pin 2",
254 "IR_IN", "J7 Header Pin 4",
255 "J7 Header Pin 6", "J7 Header Pin 5",
256 "J7 Header Pin 7", "HDMI_CEC",
257 "SYS_LED", "", "";
258
259 /*
260 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
261 * to be turned high in order to be detected by the USB Controller.
262 * This signal should be handled by a USB specific power sequence
263 * in order to reset the Hub when USB bus is powered down.
264 */
265 usb-hub {
266 gpio-hog;
267 gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
268 output-high;
269 line-name = "usb-hub-reset";
270 };
271};
272
273&ir_receiver {
274 status = "okay";
275 pinctrl-0 = <&ir_recv_pins>;
276 pinctrl-names = "default";
277};
278
279&saradc {
280 status = "okay";
281 vref-supply = <&vcc_1v8>;
282};
283
284&sdio {
285 status = "okay";
286
287 pinctrl-0 = <&sd_b_pins>;
288 pinctrl-names = "default";
289
290 /* SD card */
291 sd_card_slot: slot@1 {
292 compatible = "mmc-slot";
293 reg = <1>;
294 status = "okay";
295
296 bus-width = <4>;
297 no-sdio;
298 cap-mmc-highspeed;
299 cap-sd-highspeed;
300 disable-wp;
301
302 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
303
304 vmmc-supply = <&tflash_vdd>;
305 vqmmc-supply = <&tf_io>;
306 };
307};
308
309&pwm_cd {
310 status = "okay";
311 pinctrl-0 = <&pwm_c1_pins>;
312 pinctrl-names = "default";
313 clocks = <&clkc CLKID_XTAL>;
314 clock-names = "clkin0";
315};
316
317&rtc {
318 /* needs to be enabled manually when a battery is connected */
319 clocks = <&rtc32k_xtal>;
320 vdd-supply = <&vdd_rtc>;
321};
322
323&uart_AO {
324 status = "okay";
325 pinctrl-0 = <&uart_ao_a_pins>;
326 pinctrl-names = "default";
327};
328
329&usb1_phy {
330 status = "okay";
331};
332
333&usb1 {
334 status = "okay";
335};