1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2019 BayLibre, SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
6 */
7
8#include <dt-bindings/input/input.h>
9#include <dt-bindings/gpio/meson-g12a-gpio.h>
10
11/ {
12	aliases {
13		serial0 = &uart_AO;
14		ethernet0 = &ethmac;
15	};
16
17	chosen {
18		stdout-path = "serial0:115200n8";
19	};
20
21	memory@0 {
22		device_type = "memory";
23		reg = <0x0 0x0 0x0 0x80000000>;
24	};
25
26	adc-keys {
27		compatible = "adc-keys";
28		io-channels = <&saradc 2>;
29		io-channel-names = "buttons";
30		keyup-threshold-microvolt = <1710000>;
31
32		button-function {
33			label = "Function";
34			linux,code = <KEY_FN>;
35			press-threshold-microvolt = <10000>;
36		};
37	};
38
39	leds {
40		compatible = "gpio-leds";
41
42		white {
43			label = "vim3:white:sys";
44			gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;
45			linux,default-trigger = "heartbeat";
46		};
47
48		red {
49			label = "vim3:red";
50			gpios = <&gpio_expander 5 GPIO_ACTIVE_LOW>;
51		};
52	};
53
54	emmc_pwrseq: emmc-pwrseq {
55		compatible = "mmc-pwrseq-emmc";
56		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
57	};
58
59	gpio-keys-polled {
60		compatible = "gpio-keys-polled";
61		poll-interval = <100>;
62
63		power-button {
64			label = "power";
65			linux,code = <KEY_POWER>;
66			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>;
67		};
68	};
69
70	sdio_pwrseq: sdio-pwrseq {
71		compatible = "mmc-pwrseq-simple";
72		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
73		clocks = <&wifi32k>;
74		clock-names = "ext_clock";
75	};
76
77	dc_in: regulator-dc_in {
78		compatible = "regulator-fixed";
79		regulator-name = "DC_IN";
80		regulator-min-microvolt = <5000000>;
81		regulator-max-microvolt = <5000000>;
82		regulator-always-on;
83	};
84
85	vcc_5v: regulator-vcc_5v {
86		compatible = "regulator-fixed";
87		regulator-name = "VCC_5V";
88		regulator-min-microvolt = <5000000>;
89		regulator-max-microvolt = <5000000>;
90		vin-supply = <&dc_in>;
91
92		gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
93		enable-active-high;
94	};
95
96	vcc_1v8: regulator-vcc_1v8 {
97		compatible = "regulator-fixed";
98		regulator-name = "VCC_1V8";
99		regulator-min-microvolt = <1800000>;
100		regulator-max-microvolt = <1800000>;
101		vin-supply = <&vcc_3v3>;
102		regulator-always-on;
103	};
104
105	vcc_3v3: regulator-vcc_3v3 {
106		compatible = "regulator-fixed";
107		regulator-name = "VCC_3V3";
108		regulator-min-microvolt = <3300000>;
109		regulator-max-microvolt = <3300000>;
110		vin-supply = <&vsys_3v3>;
111		regulator-always-on;
112		/* FIXME: actually controlled by VDDCPU_B_EN */
113	};
114
115	vddao_1v8: regulator-vddao_1v8 {
116		compatible = "regulator-fixed";
117		regulator-name = "VDDIO_AO1V8";
118		regulator-min-microvolt = <1800000>;
119		regulator-max-microvolt = <1800000>;
120		vin-supply = <&vsys_3v3>;
121		regulator-always-on;
122	};
123
124	emmc_1v8: regulator-emmc_1v8 {
125		compatible = "regulator-fixed";
126		regulator-name = "EMMC_AO1V8";
127		regulator-min-microvolt = <1800000>;
128		regulator-max-microvolt = <1800000>;
129		vin-supply = <&vcc_3v3>;
130		regulator-always-on;
131	};
132
133	vsys_3v3: regulator-vsys_3v3 {
134		compatible = "regulator-fixed";
135		regulator-name = "VSYS_3V3";
136		regulator-min-microvolt = <3300000>;
137		regulator-max-microvolt = <3300000>;
138		vin-supply = <&dc_in>;
139		regulator-always-on;
140	};
141
142	usb_pwr: regulator-usb_pwr {
143		compatible = "regulator-fixed";
144		regulator-name = "USB_PWR";
145		regulator-min-microvolt = <5000000>;
146		regulator-max-microvolt = <5000000>;
147		vin-supply = <&vcc_5v>;
148
149		gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>;
150		enable-active-high;
151	};
152
153	hdmi-connector {
154		compatible = "hdmi-connector";
155		type = "a";
156
157		port {
158			hdmi_connector_in: endpoint {
159				remote-endpoint = <&hdmi_tx_tmds_out>;
160			};
161		};
162	};
163
164	wifi32k: wifi32k {
165		compatible = "pwm-clock";
166		#clock-cells = <0>;
167		clock-frequency = <32768>;
168		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
169	};
170};
171
172&cec_AO {
173	pinctrl-0 = <&cec_ao_a_h_pins>;
174	pinctrl-names = "default";
175	status = "disabled";
176	hdmi-phandle = <&hdmi_tx>;
177};
178
179&cecb_AO {
180	pinctrl-0 = <&cec_ao_b_h_pins>;
181	pinctrl-names = "default";
182	status = "okay";
183	hdmi-phandle = <&hdmi_tx>;
184};
185
186&ext_mdio {
187	external_phy: ethernet-phy@0 {
188		/* Realtek RTL8211F (0x001cc916) */
189		reg = <0>;
190		max-speed = <1000>;
191
192		interrupt-parent = <&gpio_intc>;
193		/* MAC_INTR on GPIOZ_14 */
194		interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
195	};
196};
197
198&ethmac {
199        pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
200        pinctrl-names = "default";
201        status = "okay";
202        phy-mode = "rgmii";
203        phy-handle = <&external_phy>;
204        amlogic,tx-delay-ns = <2>;
205};
206
207&hdmi_tx {
208	status = "okay";
209	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
210	pinctrl-names = "default";
211	hdmi-supply = <&vcc_5v>;
212};
213
214&hdmi_tx_tmds_port {
215	hdmi_tx_tmds_out: endpoint {
216		remote-endpoint = <&hdmi_connector_in>;
217	};
218};
219
220&i2c_AO {
221	status = "okay";
222	pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>;
223	pinctrl-names = "default";
224
225	gpio_expander: gpio-controller@20 {
226		compatible = "ti,tca6408";
227		reg = <0x20>;
228		vcc-supply = <&vcc_3v3>;
229		gpio-controller;
230		#gpio-cells = <2>;
231	};
232
233	rtc@51 {
234		compatible = "haoyu,hym8563";
235		reg = <0x51>;
236		#clock-cells = <0>;
237	};
238};
239
240&ir {
241	status = "okay";
242	pinctrl-0 = <&remote_input_ao_pins>;
243	pinctrl-names = "default";
244	linux,rc-map-name = "rc-khadas";
245};
246
247&pcie {
248	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
249};
250
251&pwm_ef {
252        status = "okay";
253        pinctrl-0 = <&pwm_e_pins>;
254        pinctrl-names = "default";
255};
256
257&saradc {
258	status = "okay";
259	vref-supply = <&vddao_1v8>;
260};
261
262/* SDIO */
263&sd_emmc_a {
264	status = "okay";
265	pinctrl-0 = <&sdio_pins>;
266	pinctrl-1 = <&sdio_clk_gate_pins>;
267	pinctrl-names = "default", "clk-gate";
268	#address-cells = <1>;
269	#size-cells = <0>;
270
271	bus-width = <4>;
272	cap-sd-highspeed;
273	sd-uhs-sdr50;
274	max-frequency = <100000000>;
275
276	non-removable;
277	disable-wp;
278
279	/* WiFi firmware requires power to be kept while in suspend */
280	keep-power-in-suspend;
281
282	mmc-pwrseq = <&sdio_pwrseq>;
283
284	vmmc-supply = <&vsys_3v3>;
285	vqmmc-supply = <&vddao_1v8>;
286
287	brcmf: wifi@1 {
288		reg = <1>;
289		compatible = "brcm,bcm4329-fmac";
290	};
291};
292
293/* SD card */
294&sd_emmc_b {
295	status = "okay";
296	pinctrl-0 = <&sdcard_c_pins>;
297	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
298	pinctrl-names = "default", "clk-gate";
299
300	bus-width = <4>;
301	cap-sd-highspeed;
302	max-frequency = <50000000>;
303	disable-wp;
304
305	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
306	vmmc-supply = <&vsys_3v3>;
307	vqmmc-supply = <&vsys_3v3>;
308};
309
310/* eMMC */
311&sd_emmc_c {
312	status = "okay";
313	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_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	mmc-ddr-1_8v;
320	mmc-hs200-1_8v;
321	max-frequency = <200000000>;
322	disable-wp;
323
324	mmc-pwrseq = <&emmc_pwrseq>;
325	vmmc-supply = <&vcc_3v3>;
326	vqmmc-supply = <&emmc_1v8>;
327};
328
329&uart_A {
330	status = "okay";
331	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
332	pinctrl-names = "default";
333	uart-has-rtscts;
334
335	bluetooth {
336		compatible = "brcm,bcm43438-bt";
337		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
338		max-speed = <2000000>;
339		clocks = <&wifi32k>;
340		clock-names = "lpo";
341	};
342};
343
344&uart_AO {
345	status = "okay";
346	pinctrl-0 = <&uart_ao_a_pins>;
347	pinctrl-names = "default";
348};
349
350&usb2_phy0 {
351	phy-supply = <&dc_in>;
352};
353
354&usb2_phy1 {
355	phy-supply = <&usb_pwr>;
356};
357
358&usb3_pcie_phy {
359	phy-supply = <&usb_pwr>;
360};
361
362&usb {
363	status = "okay";
364	dr_mode = "peripheral";
365};
366