blob: 27eeab71ec772e74f47d499b4762d1bdb9292028 [file] [log] [blame]
Loic Devulder2058b732018-10-03 12:02:06 +02001// 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>
Loic Devulder2058b732018-10-03 12:02:06 +020011
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;
Loic Devulder2058b732018-10-03 12:02:06 +020020 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";
Loic Devulder2058b732018-10-03 12:02:06 +020064 poll-interval = <100>;
65
Jerome Brunetdd5f2352020-03-05 12:12:38 +010066 power-button {
Loic Devulder2058b732018-10-03 12:02:06 +020067 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
Loic Devulder2058b732018-10-03 12:02:06 +0200102 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
Loic Devulder2058b732018-10-03 12:02:06 +0200157
Neil Armstrong3a7d6a92020-04-20 15:44:41 +0200158&cpu_cooling_maps {
159 map0 {
160 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
161 };
Loic Devulder8973d812018-11-27 17:41:18 +0100162
Neil Armstrong3a7d6a92020-04-20 15:44:41 +0200163 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 };
Loic Devulder8973d812018-11-27 17:41:18 +0100174};
175
Loic Devulder2058b732018-10-03 12:02:06 +0200176&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
Loic Devulder2058b732018-10-03 12:02:06 +0200185 /* 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>;
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100195
196 reset-assert-us = <10000>;
197 reset-deassert-us = <30000>;
198 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
199
Loic Devulder2058b732018-10-03 12:02:06 +0200200 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";
Neil Armstrongbce59f92018-11-06 09:30:14 +0100210 hdmi-supply = <&hdmi_5v>;
Loic Devulder2058b732018-10-03 12:02:06 +0200211};
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";
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100245 linux,rc-map-name = "rc-khadas";
Loic Devulder2058b732018-10-03 12:02:06 +0200246};
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>;
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100267 pinctrl-1 = <&sdio_clk_gate_pins>;
268 pinctrl-names = "default", "clk-gate";
Loic Devulder2058b732018-10-03 12:02:06 +0200269 #address-cells = <1>;
270 #size-cells = <0>;
271
272 bus-width = <4>;
Neil Armstrong3a7d6a92020-04-20 15:44:41 +0200273 max-frequency = <60000000>;
Loic Devulder2058b732018-10-03 12:02:06 +0200274
275 non-removable;
276 disable-wp;
277
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100278 /* WiFi firmware requires power to be kept while in suspend */
279 keep-power-in-suspend;
280
Loic Devulder2058b732018-10-03 12:02:06 +0200281 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>;
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100296 pinctrl-1 = <&sdcard_clk_gate_pins>;
297 pinctrl-names = "default", "clk-gate";
Loic Devulder2058b732018-10-03 12:02:06 +0200298
299 bus-width = <4>;
300 cap-sd-highspeed;
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100301 max-frequency = <50000000>;
Loic Devulder2058b732018-10-03 12:02:06 +0200302 disable-wp;
303
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100304 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
Loic Devulder2058b732018-10-03 12:02:06 +0200305
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>;
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100314 pinctrl-1 = <&emmc_clk_gate_pins>;
315 pinctrl-names = "default", "clk-gate";
Loic Devulder2058b732018-10-03 12:02:06 +0200316
317 bus-width = <8>;
Loic Devulder2058b732018-10-03 12:02:06 +0200318 cap-mmc-highspeed;
319 max-frequency = <200000000>;
320 non-removable;
321 disable-wp;
322 mmc-ddr-1_8v;
323 mmc-hs200-1_8v;
Loic Devulder2058b732018-10-03 12:02:06 +0200324
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";
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100351 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
Loic Devulder2058b732018-10-03 12:02:06 +0200352 pinctrl-names = "default";
Jerome Brunetdd5f2352020-03-05 12:12:38 +0100353 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 };
Loic Devulder2058b732018-10-03 12:02:06 +0200362};
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&usb0 {
384 status = "okay";
385};