1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2019 BayLibre, SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 */
6
7/dts-v1/;
8
9#include "meson-g12b.dtsi"
10#include <dt-bindings/input/input.h>
11#include <dt-bindings/gpio/meson-g12a-gpio.h>
12#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
13
14/ {
15	compatible = "hardkernel,odroid-n2", "amlogic,g12b";
16	model = "Hardkernel ODROID-N2";
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 0x40000000>;
30	};
31
32	emmc_pwrseq: emmc-pwrseq {
33		compatible = "mmc-pwrseq-emmc";
34		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
35	};
36
37	leds {
38		compatible = "gpio-leds";
39
40		blue {
41			label = "n2:blue";
42			gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
43			linux,default-trigger = "heartbeat";
44		};
45	};
46
47	tflash_vdd: regulator-tflash_vdd {
48		compatible = "regulator-fixed";
49
50		regulator-name = "TFLASH_VDD";
51		regulator-min-microvolt = <3300000>;
52		regulator-max-microvolt = <3300000>;
53
54		gpio = <&gpio_ao GPIOAO_8 GPIO_ACTIVE_HIGH>;
55		enable-active-high;
56	};
57
58	tf_io: gpio-regulator-tf_io {
59		compatible = "regulator-gpio";
60
61		regulator-name = "TF_IO";
62		regulator-min-microvolt = <1800000>;
63		regulator-max-microvolt = <3300000>;
64
65		gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
66		gpios-states = <0>;
67
68		states = <3300000 0
69			  1800000 1>;
70	};
71
72	flash_1v8: regulator-flash_1v8 {
73		compatible = "regulator-fixed";
74		regulator-name = "FLASH_1V8";
75		regulator-min-microvolt = <1800000>;
76		regulator-max-microvolt = <1800000>;
77		vin-supply = <&vcc_3v3>;
78		regulator-always-on;
79	};
80
81	main_12v: regulator-main_12v {
82		compatible = "regulator-fixed";
83		regulator-name = "12V";
84		regulator-min-microvolt = <12000000>;
85		regulator-max-microvolt = <12000000>;
86		regulator-always-on;
87	};
88
89	vcc_5v: regulator-vcc_5v {
90		compatible = "regulator-fixed";
91		regulator-name = "5V";
92		regulator-min-microvolt = <5000000>;
93		regulator-max-microvolt = <5000000>;
94		regulator-always-on;
95		vin-supply = <&main_12v>;
96	};
97
98	vcc_1v8: regulator-vcc_1v8 {
99		compatible = "regulator-fixed";
100		regulator-name = "VCC_1V8";
101		regulator-min-microvolt = <1800000>;
102		regulator-max-microvolt = <1800000>;
103		vin-supply = <&vcc_3v3>;
104		regulator-always-on;
105	};
106
107	vcc_3v3: regulator-vcc_3v3 {
108		compatible = "regulator-fixed";
109		regulator-name = "VCC_3V3";
110		regulator-min-microvolt = <3300000>;
111		regulator-max-microvolt = <3300000>;
112		vin-supply = <&vddao_3v3>;
113		regulator-always-on;
114		/* FIXME: actually controlled by VDDCPU_B_EN */
115	};
116
117	hub_5v: regulator-hub_5v {
118		compatible = "regulator-fixed";
119		regulator-name = "HUB_5V";
120		regulator-min-microvolt = <5000000>;
121		regulator-max-microvolt = <5000000>;
122		vin-supply = <&vcc_5v>;
123
124		/* Connected to the Hub CHIPENABLE, LOW sets low power state */
125		gpio = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
126		enable-active-high;
127	};
128
129	usb_pwr_en: regulator-usb_pwr_en {
130		compatible = "regulator-fixed";
131		regulator-name = "USB_PWR_EN";
132		regulator-min-microvolt = <5000000>;
133		regulator-max-microvolt = <5000000>;
134		vin-supply = <&vcc_5v>;
135
136		/* Connected to the microUSB port power enable */
137		gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
138		enable-active-high;
139	};
140
141	vddao_1v8: regulator-vddao_1v8 {
142		compatible = "regulator-fixed";
143		regulator-name = "VDDAO_1V8";
144		regulator-min-microvolt = <1800000>;
145		regulator-max-microvolt = <1800000>;
146		vin-supply = <&vddao_3v3>;
147		regulator-always-on;
148	};
149
150	vddao_3v3: regulator-vddao_3v3 {
151		compatible = "regulator-fixed";
152		regulator-name = "VDDAO_3V3";
153		regulator-min-microvolt = <3300000>;
154		regulator-max-microvolt = <3300000>;
155		vin-supply = <&main_12v>;
156		regulator-always-on;
157	};
158
159	hdmi-connector {
160		compatible = "hdmi-connector";
161		type = "a";
162
163		port {
164			hdmi_connector_in: endpoint {
165				remote-endpoint = <&hdmi_tx_tmds_out>;
166			};
167		};
168	};
169
170	sound {
171		compatible = "amlogic,axg-sound-card";
172		model = "G12A-ODROIDN2";
173		audio-aux-devs = <&tdmout_b>;
174		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
175				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
176				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
177				"TDM_B Playback", "TDMOUT_B OUT";
178
179		assigned-clocks = <&clkc CLKID_MPLL2>,
180				  <&clkc CLKID_MPLL0>,
181				  <&clkc CLKID_MPLL1>;
182		assigned-clock-parents = <0>, <0>, <0>;
183		assigned-clock-rates = <294912000>,
184				       <270950400>,
185				       <393216000>;
186		status = "okay";
187
188		dai-link-0 {
189			sound-dai = <&frddr_a>;
190		};
191
192		dai-link-1 {
193			sound-dai = <&frddr_b>;
194		};
195
196		dai-link-2 {
197			sound-dai = <&frddr_c>;
198		};
199
200		/* 8ch hdmi interface */
201		dai-link-3 {
202			sound-dai = <&tdmif_b>;
203			dai-format = "i2s";
204			dai-tdm-slot-tx-mask-0 = <1 1>;
205			dai-tdm-slot-tx-mask-1 = <1 1>;
206			dai-tdm-slot-tx-mask-2 = <1 1>;
207			dai-tdm-slot-tx-mask-3 = <1 1>;
208			mclk-fs = <256>;
209
210			codec {
211				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
212			};
213		};
214
215		/* hdmi glue */
216		dai-link-4 {
217			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
218
219			codec {
220				sound-dai = <&hdmi_tx>;
221			};
222		};
223	};
224};
225
226&arb {
227	status = "okay";
228};
229
230&cec_AO {
231	pinctrl-0 = <&cec_ao_a_h_pins>;
232	pinctrl-names = "default";
233	status = "disabled";
234	hdmi-phandle = <&hdmi_tx>;
235};
236
237&cecb_AO {
238	pinctrl-0 = <&cec_ao_b_h_pins>;
239	pinctrl-names = "default";
240	status = "okay";
241	hdmi-phandle = <&hdmi_tx>;
242};
243
244&clkc_audio {
245	status = "okay";
246};
247
248&ext_mdio {
249	external_phy: ethernet-phy@0 {
250		/* Realtek RTL8211F (0x001cc916) */
251		reg = <0>;
252		max-speed = <1000>;
253
254		reset-assert-us = <10000>;
255		reset-deassert-us = <30000>;
256		reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
257
258		interrupt-parent = <&gpio_intc>;
259		/* MAC_INTR on GPIOZ_14 */
260		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
261	};
262};
263
264&ethmac {
265	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
266	pinctrl-names = "default";
267	status = "okay";
268	phy-mode = "rgmii";
269	phy-handle = <&external_phy>;
270	amlogic,tx-delay-ns = <2>;
271};
272
273&frddr_a {
274	status = "okay";
275};
276
277&frddr_b {
278	status = "okay";
279};
280
281&frddr_c {
282	status = "okay";
283};
284
285&gpio {
286	/*
287	 * WARNING: The USB Hub on the Odroid-N2 needs a reset signal
288	 * to be turned high in order to be detected by the USB Controller
289	 * This signal should be handled by a USB specific power sequence
290	 * in order to reset the Hub when USB bus is powered down.
291	 */
292	usb-hub {
293		gpio-hog;
294		gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
295		output-high;
296		line-name = "usb-hub-reset";
297	};
298};
299
300&hdmi_tx {
301	status = "okay";
302	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
303	pinctrl-names = "default";
304	hdmi-supply = <&vcc_5v>;
305};
306
307&hdmi_tx_tmds_port {
308	hdmi_tx_tmds_out: endpoint {
309		remote-endpoint = <&hdmi_connector_in>;
310	};
311};
312
313&ir {
314	status = "okay";
315	pinctrl-0 = <&remote_input_ao_pins>;
316	pinctrl-names = "default";
317};
318
319/* SD card */
320&sd_emmc_b {
321	status = "okay";
322	pinctrl-0 = <&sdcard_c_pins>;
323	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
324	pinctrl-names = "default", "clk-gate";
325
326	bus-width = <4>;
327	cap-sd-highspeed;
328	max-frequency = <50000000>;
329	disable-wp;
330
331	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
332	vmmc-supply = <&tflash_vdd>;
333	vqmmc-supply = <&tf_io>;
334
335};
336
337/* eMMC */
338&sd_emmc_c {
339	status = "okay";
340	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
341	pinctrl-1 = <&emmc_clk_gate_pins>;
342	pinctrl-names = "default", "clk-gate";
343
344	bus-width = <8>;
345	cap-mmc-highspeed;
346	mmc-ddr-1_8v;
347	mmc-hs200-1_8v;
348	max-frequency = <200000000>;
349	disable-wp;
350
351	mmc-pwrseq = <&emmc_pwrseq>;
352	vmmc-supply = <&vcc_3v3>;
353	vqmmc-supply = <&flash_1v8>;
354};
355
356&tdmif_b {
357	status = "okay";
358};
359
360&tdmout_b {
361	status = "okay";
362};
363
364&tohdmitx {
365	status = "okay";
366};
367
368&uart_AO {
369	status = "okay";
370	pinctrl-0 = <&uart_ao_a_pins>;
371	pinctrl-names = "default";
372};
373
374&usb {
375	status = "okay";
376	vbus-supply = <&usb_pwr_en>;
377};
378
379&usb2_phy0 {
380	phy-supply = <&vcc_5v>;
381};
382
383&usb2_phy1 {
384	/* Enable the hub which is connected to this port */
385	phy-supply = <&hub_5v>;
386};
387