1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2016 Andreas Färber
4 * Copyright (c) 2016 BayLibre, Inc.
5 * Author: Kevin Hilman <khilman@kernel.org>
6 */
7
8/dts-v1/;
9
10#include "meson-gxbb.dtsi"
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/sound/meson-aiu.h>
13
14/ {
15	compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
16	model = "Hardkernel ODROID-C2";
17
18	aliases {
19		serial0 = &uart_AO;
20		ethernet0 = &ethmac;
21	};
22
23	chosen {
24		stdout-path = "serial0:115200n8";
25	};
26
27	memory@0 {
28		device_type = "memory";
29		reg = <0x0 0x0 0x0 0x80000000>;
30	};
31
32	usb_otg_pwr: regulator-usb-pwrs {
33		compatible = "regulator-fixed";
34
35		regulator-name = "USB_OTG_PWR";
36
37		regulator-min-microvolt = <5000000>;
38		regulator-max-microvolt = <5000000>;
39
40		/*
41		 * signal name from schematics: PWREN
42		 */
43		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
44		enable-active-high;
45		/*
46		 * signal name from schematics: USB_POWER
47		 */
48		vin-supply = <&p5v0>;
49	};
50
51	leds {
52		compatible = "gpio-leds";
53		led-blue {
54			label = "c2:blue:alive";
55			gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
56			linux,default-trigger = "heartbeat";
57			default-state = "off";
58		};
59	};
60
61	p5v0: regulator-p5v0 {
62		compatible = "regulator-fixed";
63
64		regulator-name = "P5V0";
65		regulator-min-microvolt = <5000000>;
66		regulator-max-microvolt = <5000000>;
67		regulator-always-on;
68	};
69
70	hdmi_p5v0: regulator-hdmi_p5v0 {
71		compatible = "regulator-fixed";
72		regulator-name = "HDMI_P5V0";
73		regulator-min-microvolt = <5000000>;
74		regulator-max-microvolt = <5000000>;
75		/* AP2331SA-7 */
76		vin-supply = <&p5v0>;
77	};
78
79	tflash_vdd: regulator-tflash_vdd {
80		compatible = "regulator-fixed";
81
82		regulator-name = "TFLASH_VDD";
83		regulator-min-microvolt = <3300000>;
84		regulator-max-microvolt = <3300000>;
85
86		/*
87		 * signal name from schematics: TFLASH_VDD_EN
88		 */
89		gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
90		enable-active-high;
91		/* U16 RT9179GB */
92		vin-supply = <&vddio_ao3v3>;
93	};
94
95	tf_io: gpio-regulator-tf_io {
96		compatible = "regulator-gpio";
97
98		regulator-name = "TF_IO";
99		regulator-min-microvolt = <1800000>;
100		regulator-max-microvolt = <3300000>;
101
102		/*
103		 * signal name from schematics: TF_3V3N_1V8_EN
104		 */
105		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
106		gpios-states = <0>;
107
108		states = <3300000 0>,
109			 <1800000 1>;
110		/* U12/U13 RT9179GB */
111		vin-supply = <&vddio_ao3v3>;
112	};
113
114	vcc1v8: regulator-vcc1v8 {
115		compatible = "regulator-fixed";
116		regulator-name = "VCC1V8";
117		regulator-min-microvolt = <1800000>;
118		regulator-max-microvolt = <1800000>;
119		regulator-always-on;
120		/* U18 RT9179GB */
121		vin-supply = <&vddio_ao3v3>;
122	};
123
124	vcc3v3: regulator-vcc3v3 {
125		compatible = "regulator-fixed";
126		regulator-name = "VCC3V3";
127		regulator-min-microvolt = <3300000>;
128		regulator-max-microvolt = <3300000>;
129	};
130
131	vddio_ao1v8: regulator-vddio-ao1v8 {
132		compatible = "regulator-fixed";
133		regulator-name = "VDDIO_AO1V8";
134		regulator-min-microvolt = <1800000>;
135		regulator-max-microvolt = <1800000>;
136		regulator-always-on;
137		/* U17 RT9179GB */
138		vin-supply = <&p5v0>;
139	};
140
141	vddio_ao3v3: regulator-vddio-ao3v3 {
142		compatible = "regulator-fixed";
143		regulator-name = "VDDIO_AO3V3";
144		regulator-min-microvolt = <3300000>;
145		regulator-max-microvolt = <3300000>;
146		regulator-always-on;
147		/* U11 MP2161GJ-C499 */
148		vin-supply = <&p5v0>;
149	};
150
151	ddr3_1v5: regulator-ddr3_1v5 {
152		compatible = "regulator-fixed";
153		regulator-name = "DDR3_1V5";
154		regulator-min-microvolt = <1500000>;
155		regulator-max-microvolt = <1500000>;
156		regulator-always-on;
157		/* U15 MP2161GJ-C499 */
158		vin-supply = <&p5v0>;
159	};
160
161	emmc_pwrseq: emmc-pwrseq {
162		compatible = "mmc-pwrseq-emmc";
163		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
164	};
165
166	hdmi-connector {
167		compatible = "hdmi-connector";
168		type = "a";
169
170		port {
171			hdmi_connector_in: endpoint {
172				remote-endpoint = <&hdmi_tx_tmds_out>;
173			};
174		};
175	};
176
177	sound {
178		compatible = "amlogic,gx-sound-card";
179		model = "ODROID-C2";
180		assigned-clocks = <&clkc CLKID_MPLL0>,
181				  <&clkc CLKID_MPLL1>,
182				  <&clkc CLKID_MPLL2>;
183		assigned-clock-parents = <0>, <0>, <0>;
184		assigned-clock-rates = <294912000>,
185				       <270950400>,
186				       <393216000>;
187		status = "okay";
188
189		dai-link-0 {
190			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
191		};
192
193		dai-link-1 {
194			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
195			dai-format = "i2s";
196			mclk-fs = <256>;
197
198			codec-0 {
199				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
200			};
201		};
202
203		dai-link-2 {
204			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
205
206			codec-0 {
207				sound-dai = <&hdmi_tx>;
208			};
209		};
210	};
211};
212
213&aiu {
214	status = "okay";
215};
216
217&cec_AO {
218	status = "okay";
219	pinctrl-0 = <&ao_cec_pins>;
220	pinctrl-names = "default";
221	hdmi-phandle = <&hdmi_tx>;
222};
223
224&ethmac {
225	status = "okay";
226	pinctrl-0 = <&eth_rgmii_pins>;
227	pinctrl-names = "default";
228	phy-handle = <&eth_phy0>;
229	phy-mode = "rgmii";
230
231	amlogic,tx-delay-ns = <2>;
232
233	mdio {
234		compatible = "snps,dwmac-mdio";
235		#address-cells = <1>;
236		#size-cells = <0>;
237
238		eth_phy0: ethernet-phy@0 {
239			/* Realtek RTL8211F (0x001cc916) */
240			reg = <0>;
241
242			reset-assert-us = <10000>;
243			reset-deassert-us = <80000>;
244			reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
245
246			interrupt-parent = <&gpio_intc>;
247			/* MAC_INTR on GPIOZ_15 */
248			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
249		};
250	};
251};
252
253&gpio_ao {
254	/*
255	 * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
256	 * to be turned high in order to be detected by the USB Controller
257	 * This signal should be handled by a USB specific power sequence
258	 * in order to reset the Hub when USB bus is powered down.
259	 */
260	usb-hub {
261		gpio-hog;
262		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
263		output-high;
264		line-name = "usb-hub-reset";
265	};
266};
267
268&hdmi_tx {
269	status = "okay";
270	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
271	pinctrl-names = "default";
272	hdmi-supply = <&hdmi_p5v0>;
273};
274
275&hdmi_tx_tmds_port {
276	hdmi_tx_tmds_out: endpoint {
277		remote-endpoint = <&hdmi_connector_in>;
278	};
279};
280
281&i2c_A {
282	status = "okay";
283	pinctrl-0 = <&i2c_a_pins>;
284	pinctrl-names = "default";
285};
286
287&ir {
288	status = "okay";
289	pinctrl-0 = <&remote_input_ao_pins>;
290	pinctrl-names = "default";
291	linux,rc-map-name = "rc-odroid";
292};
293
294&gpio_ao {
295	gpio-line-names = "UART TX", "UART RX", "VCCK En", "TF 3V3/1V8 En",
296			  "USB HUB nRESET", "USB OTG Power En",
297			  "J7 Header Pin2", "IR In", "J7 Header Pin4",
298			  "J7 Header Pin6", "J7 Header Pin5", "J7 Header Pin7",
299			  "HDMI CEC", "SYS LED",
300			  /* GPIO_TEST_N */
301			  "";
302};
303
304&gpio {
305	gpio-line-names = /* Bank GPIOZ */
306			  "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
307			  "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
308			  "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
309			  "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
310			  "Eth PHY nRESET", "Eth PHY Intc",
311			  /* Bank GPIOH */
312			  "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL", "",
313			  /* Bank BOOT */
314			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
315			  "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
316			  "eMMC Reset", "eMMC CMD",
317			  "", "", "", "", "", "", "",
318			  /* Bank CARD */
319			  "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
320			  "SDCard D3", "SDCard D2", "SDCard Det",
321			  /* Bank GPIODV */
322			  "", "", "", "", "", "", "", "", "", "", "", "", "",
323			  "", "", "", "", "", "", "", "", "", "", "",
324			  "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
325			  "PWM D", "PWM B",
326			  /* Bank GPIOY */
327			  "Revision Bit0", "Revision Bit1", "",
328			  "J2 Header Pin35", "", "", "", "J2 Header Pin36",
329			  "J2 Header Pin31", "", "", "", "TF VDD En",
330			  "J2 Header Pin32", "J2 Header Pin26", "", "",
331			  /* Bank GPIOX */
332			  "J2 Header Pin29", "J2 Header Pin24",
333			  "J2 Header Pin23", "J2 Header Pin22",
334			  "J2 Header Pin21", "J2 Header Pin18",
335			  "J2 Header Pin33", "J2 Header Pin19",
336			  "J2 Header Pin16", "J2 Header Pin15",
337			  "J2 Header Pin12", "J2 Header Pin13",
338			  "J2 Header Pin8", "J2 Header Pin10",
339			  "", "", "", "", "",
340			  "J2 Header Pin11", "", "J2 Header Pin7", "",
341			  /* Bank GPIOCLK */
342			  "", "", "", "";
343};
344
345&saradc {
346	status = "okay";
347	vref-supply = <&vcc1v8>;
348};
349
350&scpi_clocks {
351	status = "disabled";
352};
353
354/* SD */
355&sd_emmc_b {
356	status = "okay";
357	pinctrl-0 = <&sdcard_pins>;
358	pinctrl-1 = <&sdcard_clk_gate_pins>;
359	pinctrl-names = "default", "clk-gate";
360
361	bus-width = <4>;
362	cap-sd-highspeed;
363	sd-uhs-sdr12;
364	sd-uhs-sdr25;
365	sd-uhs-sdr50;
366	sd-uhs-ddr50;
367	max-frequency = <100000000>;
368	disable-wp;
369
370	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
371
372	vmmc-supply = <&tflash_vdd>;
373	vqmmc-supply = <&tf_io>;
374};
375
376/* eMMC */
377&sd_emmc_c {
378	status = "okay";
379	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
380	pinctrl-1 = <&emmc_clk_gate_pins>;
381	pinctrl-names = "default", "clk-gate";
382
383	bus-width = <8>;
384	max-frequency = <200000000>;
385	non-removable;
386	disable-wp;
387	cap-mmc-highspeed;
388	mmc-ddr-1_8v;
389	mmc-hs200-1_8v;
390
391	mmc-pwrseq = <&emmc_pwrseq>;
392	vmmc-supply = <&vcc3v3>;
393	vqmmc-supply = <&vcc1v8>;
394};
395
396&uart_AO {
397	status = "okay";
398	pinctrl-0 = <&uart_ao_a_pins>;
399	pinctrl-names = "default";
400};
401
402&usb0_phy {
403	status = "disabled";
404	phy-supply = <&usb_otg_pwr>;
405};
406
407&usb1_phy {
408	status = "okay";
409	phy-supply = <&usb_otg_pwr>;
410};
411
412&usb0 {
413	status = "disabled";
414};
415
416&usb1 {
417	status = "okay";
418};
419