1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
4 * Copyright (c) 2017 BayLibre, SAS
5 * Author: Neil Armstrong <narmstrong@baylibre.com>
6 */
7
8/dts-v1/;
9
10#include <dt-bindings/input/input.h>
11
12#include "meson-gxm.dtsi"
13
14/ {
15	compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
16	model = "Khadas VIM2";
17
18	aliases {
19		serial0 = &uart_AO;
20		serial2 = &uart_AO_B;
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	adc-keys {
33		compatible = "adc-keys";
34		io-channels = <&saradc 0>;
35		io-channel-names = "buttons";
36		keyup-threshold-microvolt = <1710000>;
37
38		button-function {
39			label = "Function";
40			linux,code = <KEY_FN>;
41			press-threshold-microvolt = <10000>;
42		};
43	};
44
45	emmc_pwrseq: emmc-pwrseq {
46		compatible = "mmc-pwrseq-emmc";
47		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
48	};
49
50	gpio_fan: gpio-fan {
51		compatible = "gpio-fan";
52		gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
53			 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
54		/* Dummy RPM values since fan is optional */
55		gpio-fan,speed-map = <0 0
56				      1 1
57				      2 2
58				      3 3>;
59		#cooling-cells = <2>;
60	};
61
62	gpio-keys-polled {
63		compatible = "gpio-keys-polled";
64		poll-interval = <100>;
65
66		power-button {
67			label = "power";
68			linux,code = <KEY_POWER>;
69			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
70		};
71	};
72
73	hdmi-connector {
74		compatible = "hdmi-connector";
75		type = "a";
76
77		port {
78			hdmi_connector_in: endpoint {
79				remote-endpoint = <&hdmi_tx_tmds_out>;
80			};
81		};
82	};
83
84	pwmleds {
85		compatible = "pwm-leds";
86
87		power {
88			label = "vim:red:power";
89			pwms = <&pwm_AO_ab 1 7812500 0>;
90			max-brightness = <255>;
91			linux,default-trigger = "default-on";
92		};
93	};
94
95	sdio_pwrseq: sdio-pwrseq {
96		compatible = "mmc-pwrseq-simple";
97		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
98		clocks = <&wifi32k>;
99		clock-names = "ext_clock";
100	};
101
102	hdmi_5v: regulator-hdmi-5v {
103		compatible = "regulator-fixed";
104
105		regulator-name = "HDMI_5V";
106		regulator-min-microvolt = <5000000>;
107		regulator-max-microvolt = <5000000>;
108
109		gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
110		enable-active-high;
111		regulator-always-on;
112	};
113
114	vcc_3v3: regulator-vcc_3v3 {
115		compatible = "regulator-fixed";
116		regulator-name = "VCC_3V3";
117		regulator-min-microvolt = <3300000>;
118		regulator-max-microvolt = <3300000>;
119	};
120
121	vddio_ao18: regulator-vddio_ao18 {
122		compatible = "regulator-fixed";
123		regulator-name = "VDDIO_AO18";
124		regulator-min-microvolt = <1800000>;
125		regulator-max-microvolt = <1800000>;
126	};
127
128	vddio_boot: regulator-vddio_boot {
129		compatible = "regulator-fixed";
130		regulator-name = "VDDIO_BOOT";
131		regulator-min-microvolt = <1800000>;
132		regulator-max-microvolt = <1800000>;
133	};
134
135	vddao_3v3: regulator-vddao_3v3 {
136		compatible = "regulator-fixed";
137		regulator-name = "VDDAO_3V3";
138		regulator-min-microvolt = <3300000>;
139		regulator-max-microvolt = <3300000>;
140	};
141
142	wifi32k: wifi32k {
143		compatible = "pwm-clock";
144		#clock-cells = <0>;
145		clock-frequency = <32768>;
146		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
147	};
148};
149
150&cec_AO {
151	status = "okay";
152	pinctrl-0 = <&ao_cec_pins>;
153	pinctrl-names = "default";
154	hdmi-phandle = <&hdmi_tx>;
155};
156
157
158&cpu_cooling_maps {
159	map0 {
160		cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
161	};
162
163	map1 {
164		cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
165				 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
166				 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
167				 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
168				 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
169				 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
170				 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
171				 <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
172				 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
173	};
174};
175
176&ethmac {
177	pinctrl-0 = <&eth_pins>;
178	pinctrl-names = "default";
179
180	/* Select external PHY by default */
181	phy-handle = <&external_phy>;
182
183	amlogic,tx-delay-ns = <2>;
184
185	/* External PHY is in RGMII */
186	phy-mode = "rgmii";
187
188	status = "okay";
189};
190
191&external_mdio {
192	external_phy: ethernet-phy@0 {
193		/* Realtek RTL8211F (0x001cc916) */
194		reg = <0>;
195
196		reset-assert-us = <10000>;
197		reset-deassert-us = <30000>;
198		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
199
200		interrupt-parent = <&gpio_intc>;
201		/* MAC_INTR on GPIOZ_15 */
202		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
203	};
204};
205
206&hdmi_tx {
207	status = "okay";
208	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
209	pinctrl-names = "default";
210	hdmi-supply = <&hdmi_5v>;
211};
212
213&hdmi_tx_tmds_port {
214	hdmi_tx_tmds_out: endpoint {
215		remote-endpoint = <&hdmi_connector_in>;
216	};
217};
218
219&i2c_A {
220	status = "okay";
221	pinctrl-0 = <&i2c_a_pins>;
222	pinctrl-names = "default";
223};
224
225&i2c_B {
226	status = "okay";
227	pinctrl-0 = <&i2c_b_pins>;
228	pinctrl-names = "default";
229
230	rtc: rtc@51 {
231		/* has to be enabled manually when a battery is connected: */
232		status = "disabled";
233		compatible = "haoyu,hym8563";
234		reg = <0x51>;
235		#clock-cells = <0>;
236		clock-frequency = <32768>;
237		clock-output-names = "xin32k";
238	};
239};
240
241&ir {
242	status = "okay";
243	pinctrl-0 = <&remote_input_ao_pins>;
244	pinctrl-names = "default";
245	linux,rc-map-name = "rc-khadas";
246};
247
248&pwm_AO_ab {
249	status = "okay";
250	pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
251	pinctrl-names = "default";
252	clocks = <&clkc CLKID_FCLK_DIV4>;
253	clock-names = "clkin0";
254};
255
256&pwm_ef {
257	status = "okay";
258	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
259	pinctrl-names = "default";
260	clocks = <&clkc CLKID_FCLK_DIV4>;
261	clock-names = "clkin0";
262};
263
264&sd_emmc_a {
265	status = "okay";
266	pinctrl-0 = <&sdio_pins>;
267	pinctrl-1 = <&sdio_clk_gate_pins>;
268	pinctrl-names = "default", "clk-gate";
269	#address-cells = <1>;
270	#size-cells = <0>;
271
272	bus-width = <4>;
273	max-frequency = <60000000>;
274
275	non-removable;
276	disable-wp;
277
278	/* WiFi firmware requires power to be kept while in suspend */
279	keep-power-in-suspend;
280
281	mmc-pwrseq = <&sdio_pwrseq>;
282
283	vmmc-supply = <&vddao_3v3>;
284	vqmmc-supply = <&vddio_boot>;
285
286	brcmf: wifi@1 {
287		reg = <1>;
288		compatible = "brcm,bcm4329-fmac";
289	};
290};
291
292/* SD card */
293&sd_emmc_b {
294	status = "okay";
295	pinctrl-0 = <&sdcard_pins>;
296	pinctrl-1 = <&sdcard_clk_gate_pins>;
297	pinctrl-names = "default", "clk-gate";
298
299	bus-width = <4>;
300	cap-sd-highspeed;
301	max-frequency = <50000000>;
302	disable-wp;
303
304	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
305
306	vmmc-supply = <&vddao_3v3>;
307	vqmmc-supply = <&vddio_boot>;
308};
309
310/* eMMC */
311&sd_emmc_c {
312	status = "okay";
313	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
314	pinctrl-1 = <&emmc_clk_gate_pins>;
315	pinctrl-names = "default", "clk-gate";
316
317	bus-width = <8>;
318	cap-mmc-highspeed;
319	max-frequency = <200000000>;
320	non-removable;
321	disable-wp;
322	mmc-ddr-1_8v;
323	mmc-hs200-1_8v;
324
325	mmc-pwrseq = <&emmc_pwrseq>;
326	vmmc-supply = <&vcc_3v3>;
327	vqmmc-supply = <&vddio_boot>;
328};
329
330/*
331 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
332 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
333 */
334&spifc {
335	status = "disabled";
336	pinctrl-0 = <&nor_pins>;
337	pinctrl-names = "default";
338
339	w25q32: spi-flash@0 {
340		#address-cells = <1>;
341		#size-cells = <1>;
342		compatible = "winbond,w25q16", "jedec,spi-nor";
343		reg = <0>;
344		spi-max-frequency = <3000000>;
345	};
346};
347
348/* This one is connected to the Bluetooth module */
349&uart_A {
350	status = "okay";
351	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
352	pinctrl-names = "default";
353	uart-has-rtscts;
354
355	bluetooth {
356		compatible = "brcm,bcm43438-bt";
357		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
358		max-speed = <2000000>;
359		clocks = <&wifi32k>;
360		clock-names = "lpo";
361	};
362};
363
364/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
365&uart_AO {
366	status = "okay";
367	pinctrl-0 = <&uart_ao_a_pins>;
368	pinctrl-names = "default";
369};
370
371/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
372&uart_AO_B {
373	status = "okay";
374	pinctrl-0 = <&uart_ao_b_pins>;
375	pinctrl-names = "default";
376};
377
378&saradc {
379	status = "okay";
380	vref-supply = <&vddio_ao18>;
381};
382
383&usb {
384	status = "okay";
385	dr_mode = "peripheral";
386};
387