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-s922x.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		regulator-always-on;
57	};
58
59	tf_io: gpio-regulator-tf_io {
60		compatible = "regulator-gpio";
61
62		regulator-name = "TF_IO";
63		regulator-min-microvolt = <1800000>;
64		regulator-max-microvolt = <3300000>;
65
66		gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
67		gpios-states = <0>;
68
69		states = <3300000 0>,
70			 <1800000 1>;
71	};
72
73	flash_1v8: regulator-flash_1v8 {
74		compatible = "regulator-fixed";
75		regulator-name = "FLASH_1V8";
76		regulator-min-microvolt = <1800000>;
77		regulator-max-microvolt = <1800000>;
78		vin-supply = <&vcc_3v3>;
79		regulator-always-on;
80	};
81
82	main_12v: regulator-main_12v {
83		compatible = "regulator-fixed";
84		regulator-name = "12V";
85		regulator-min-microvolt = <12000000>;
86		regulator-max-microvolt = <12000000>;
87		regulator-always-on;
88	};
89
90	vcc_5v: regulator-vcc_5v {
91		compatible = "regulator-fixed";
92		regulator-name = "5V";
93		regulator-min-microvolt = <5000000>;
94		regulator-max-microvolt = <5000000>;
95		regulator-always-on;
96		vin-supply = <&main_12v>;
97	};
98
99	vcc_1v8: regulator-vcc_1v8 {
100		compatible = "regulator-fixed";
101		regulator-name = "VCC_1V8";
102		regulator-min-microvolt = <1800000>;
103		regulator-max-microvolt = <1800000>;
104		vin-supply = <&vcc_3v3>;
105		regulator-always-on;
106	};
107
108	vcc_3v3: regulator-vcc_3v3 {
109		compatible = "regulator-fixed";
110		regulator-name = "VCC_3V3";
111		regulator-min-microvolt = <3300000>;
112		regulator-max-microvolt = <3300000>;
113		vin-supply = <&vddao_3v3>;
114		regulator-always-on;
115		/* FIXME: actually controlled by VDDCPU_B_EN */
116	};
117
118	vddcpu_a: regulator-vddcpu-a {
119		/*
120		 * MP8756GD Regulator.
121		 */
122		compatible = "pwm-regulator";
123
124		regulator-name = "VDDCPU_A";
125		regulator-min-microvolt = <721000>;
126		regulator-max-microvolt = <1022000>;
127
128		vin-supply = <&main_12v>;
129
130		pwms = <&pwm_ab 0 1250 0>;
131		pwm-dutycycle-range = <100 0>;
132
133		regulator-boot-on;
134		regulator-always-on;
135	};
136
137	vddcpu_b: regulator-vddcpu-b {
138		/*
139		 * Silergy SY8120B1ABC Regulator.
140		 */
141		compatible = "pwm-regulator";
142
143		regulator-name = "VDDCPU_B";
144		regulator-min-microvolt = <721000>;
145		regulator-max-microvolt = <1022000>;
146
147		vin-supply = <&main_12v>;
148
149		pwms = <&pwm_AO_cd 1 1250 0>;
150		pwm-dutycycle-range = <100 0>;
151
152		regulator-boot-on;
153		regulator-always-on;
154	};
155
156	hub_5v: regulator-hub_5v {
157		compatible = "regulator-fixed";
158		regulator-name = "HUB_5V";
159		regulator-min-microvolt = <5000000>;
160		regulator-max-microvolt = <5000000>;
161		vin-supply = <&vcc_5v>;
162
163		/* Connected to the Hub CHIPENABLE, LOW sets low power state */
164		gpio = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
165		enable-active-high;
166	};
167
168	usb_pwr_en: regulator-usb_pwr_en {
169		compatible = "regulator-fixed";
170		regulator-name = "USB_PWR_EN";
171		regulator-min-microvolt = <5000000>;
172		regulator-max-microvolt = <5000000>;
173		vin-supply = <&vcc_5v>;
174
175		/* Connected to the microUSB port power enable */
176		gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
177		enable-active-high;
178	};
179
180	vddao_1v8: regulator-vddao_1v8 {
181		compatible = "regulator-fixed";
182		regulator-name = "VDDAO_1V8";
183		regulator-min-microvolt = <1800000>;
184		regulator-max-microvolt = <1800000>;
185		vin-supply = <&vddao_3v3>;
186		regulator-always-on;
187	};
188
189	vddao_3v3: regulator-vddao_3v3 {
190		compatible = "regulator-fixed";
191		regulator-name = "VDDAO_3V3";
192		regulator-min-microvolt = <3300000>;
193		regulator-max-microvolt = <3300000>;
194		vin-supply = <&main_12v>;
195		regulator-always-on;
196	};
197
198	hdmi-connector {
199		compatible = "hdmi-connector";
200		type = "a";
201
202		port {
203			hdmi_connector_in: endpoint {
204				remote-endpoint = <&hdmi_tx_tmds_out>;
205			};
206		};
207	};
208
209	sound {
210		compatible = "amlogic,axg-sound-card";
211		model = "G12A-ODROIDN2";
212		audio-aux-devs = <&tdmout_b>;
213		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
214				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
215				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
216				"TDM_B Playback", "TDMOUT_B OUT";
217
218		assigned-clocks = <&clkc CLKID_MPLL2>,
219				  <&clkc CLKID_MPLL0>,
220				  <&clkc CLKID_MPLL1>;
221		assigned-clock-parents = <0>, <0>, <0>;
222		assigned-clock-rates = <294912000>,
223				       <270950400>,
224				       <393216000>;
225		status = "okay";
226
227		dai-link-0 {
228			sound-dai = <&frddr_a>;
229		};
230
231		dai-link-1 {
232			sound-dai = <&frddr_b>;
233		};
234
235		dai-link-2 {
236			sound-dai = <&frddr_c>;
237		};
238
239		/* 8ch hdmi interface */
240		dai-link-3 {
241			sound-dai = <&tdmif_b>;
242			dai-format = "i2s";
243			dai-tdm-slot-tx-mask-0 = <1 1>;
244			dai-tdm-slot-tx-mask-1 = <1 1>;
245			dai-tdm-slot-tx-mask-2 = <1 1>;
246			dai-tdm-slot-tx-mask-3 = <1 1>;
247			mclk-fs = <256>;
248
249			codec {
250				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
251			};
252		};
253
254		/* hdmi glue */
255		dai-link-4 {
256			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
257
258			codec {
259				sound-dai = <&hdmi_tx>;
260			};
261		};
262	};
263};
264
265&arb {
266	status = "okay";
267};
268
269&cec_AO {
270	pinctrl-0 = <&cec_ao_a_h_pins>;
271	pinctrl-names = "default";
272	status = "disabled";
273	hdmi-phandle = <&hdmi_tx>;
274};
275
276&cecb_AO {
277	pinctrl-0 = <&cec_ao_b_h_pins>;
278	pinctrl-names = "default";
279	status = "okay";
280	hdmi-phandle = <&hdmi_tx>;
281};
282
283&clkc_audio {
284	status = "okay";
285};
286
287&cpu0 {
288	cpu-supply = <&vddcpu_b>;
289	operating-points-v2 = <&cpu_opp_table_0>;
290	clocks = <&clkc CLKID_CPU_CLK>;
291	clock-latency = <50000>;
292};
293
294&cpu1 {
295	cpu-supply = <&vddcpu_b>;
296	operating-points-v2 = <&cpu_opp_table_0>;
297	clocks = <&clkc CLKID_CPU_CLK>;
298	clock-latency = <50000>;
299};
300
301&cpu100 {
302	cpu-supply = <&vddcpu_a>;
303	operating-points-v2 = <&cpub_opp_table_1>;
304	clocks = <&clkc CLKID_CPUB_CLK>;
305	clock-latency = <50000>;
306};
307
308&cpu101 {
309	cpu-supply = <&vddcpu_a>;
310	operating-points-v2 = <&cpub_opp_table_1>;
311	clocks = <&clkc CLKID_CPUB_CLK>;
312	clock-latency = <50000>;
313};
314
315&cpu102 {
316	cpu-supply = <&vddcpu_a>;
317	operating-points-v2 = <&cpub_opp_table_1>;
318	clocks = <&clkc CLKID_CPUB_CLK>;
319	clock-latency = <50000>;
320};
321
322&cpu103 {
323	cpu-supply = <&vddcpu_a>;
324	operating-points-v2 = <&cpub_opp_table_1>;
325	clocks = <&clkc CLKID_CPUB_CLK>;
326	clock-latency = <50000>;
327};
328
329&ext_mdio {
330	external_phy: ethernet-phy@0 {
331		/* Realtek RTL8211F (0x001cc916) */
332		reg = <0>;
333		max-speed = <1000>;
334
335		reset-assert-us = <10000>;
336		reset-deassert-us = <30000>;
337		reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
338
339		interrupt-parent = <&gpio_intc>;
340		/* MAC_INTR on GPIOZ_14 */
341		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
342	};
343};
344
345&ethmac {
346	pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
347	pinctrl-names = "default";
348	status = "okay";
349	phy-mode = "rgmii";
350	phy-handle = <&external_phy>;
351	amlogic,tx-delay-ns = <2>;
352};
353
354&frddr_a {
355	status = "okay";
356};
357
358&frddr_b {
359	status = "okay";
360};
361
362&frddr_c {
363	status = "okay";
364};
365
366&gpio {
367	/*
368	 * WARNING: The USB Hub on the Odroid-N2 needs a reset signal
369	 * to be turned high in order to be detected by the USB Controller
370	 * This signal should be handled by a USB specific power sequence
371	 * in order to reset the Hub when USB bus is powered down.
372	 */
373	usb-hub {
374		gpio-hog;
375		gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
376		output-high;
377		line-name = "usb-hub-reset";
378	};
379};
380
381&hdmi_tx {
382	status = "okay";
383	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
384	pinctrl-names = "default";
385	hdmi-supply = <&vcc_5v>;
386};
387
388&hdmi_tx_tmds_port {
389	hdmi_tx_tmds_out: endpoint {
390		remote-endpoint = <&hdmi_connector_in>;
391	};
392};
393
394&ir {
395	status = "okay";
396	pinctrl-0 = <&remote_input_ao_pins>;
397	pinctrl-names = "default";
398	linux,rc-map-name = "rc-odroid";
399};
400
401&pwm_ab {
402	pinctrl-0 = <&pwm_a_e_pins>;
403	pinctrl-names = "default";
404	clocks = <&xtal>;
405	clock-names = "clkin0";
406	status = "okay";
407};
408
409&pwm_AO_cd {
410	pinctrl-0 = <&pwm_ao_d_e_pins>;
411	pinctrl-names = "default";
412	clocks = <&xtal>;
413	clock-names = "clkin1";
414	status = "okay";
415};
416
417/* SD card */
418&sd_emmc_b {
419	status = "okay";
420	pinctrl-0 = <&sdcard_c_pins>;
421	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
422	pinctrl-names = "default", "clk-gate";
423
424	bus-width = <4>;
425	cap-sd-highspeed;
426	max-frequency = <50000000>;
427	disable-wp;
428
429	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
430	vmmc-supply = <&tflash_vdd>;
431	vqmmc-supply = <&tf_io>;
432
433};
434
435/* eMMC */
436&sd_emmc_c {
437	status = "okay";
438	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
439	pinctrl-1 = <&emmc_clk_gate_pins>;
440	pinctrl-names = "default", "clk-gate";
441
442	bus-width = <8>;
443	cap-mmc-highspeed;
444	mmc-ddr-1_8v;
445	mmc-hs200-1_8v;
446	max-frequency = <200000000>;
447	disable-wp;
448
449	mmc-pwrseq = <&emmc_pwrseq>;
450	vmmc-supply = <&vcc_3v3>;
451	vqmmc-supply = <&flash_1v8>;
452};
453
454&tdmif_b {
455	status = "okay";
456};
457
458&tdmout_b {
459	status = "okay";
460};
461
462&tohdmitx {
463	status = "okay";
464};
465
466&uart_AO {
467	status = "okay";
468	pinctrl-0 = <&uart_ao_a_pins>;
469	pinctrl-names = "default";
470};
471
472&usb {
473	status = "okay";
474	vbus-supply = <&usb_pwr_en>;
475};
476
477&usb2_phy0 {
478	phy-supply = <&vcc_5v>;
479};
480
481&usb2_phy1 {
482	/* Enable the hub which is connected to this port */
483	phy-supply = <&hub_5v>;
484};
485