1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2016 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
4 * Based on meson-gx-p23x-q20x.dtsi:
5 * - Copyright (c) 2016 Endless Computers, Inc.
6 *   Author: Carlo Caione <carlo@endlessm.com>
7 * - Copyright (c) 2016 BayLibre, SAS.
8 *   Author: Neil Armstrong <narmstrong@baylibre.com>
9 */
10
11/* Common DTSI for devices which are based on the P212 reference board. */
12
13#include "meson-gxl-s905x.dtsi"
14
15/ {
16	aliases {
17		serial0 = &uart_AO;
18		ethernet0 = &ethmac;
19	};
20
21	chosen {
22		stdout-path = "serial0:115200n8";
23	};
24
25	memory@0 {
26		device_type = "memory";
27		reg = <0x0 0x0 0x0 0x80000000>;
28	};
29
30	hdmi_5v: regulator-hdmi-5v {
31		compatible = "regulator-fixed";
32
33		regulator-name = "HDMI_5V";
34		regulator-min-microvolt = <5000000>;
35		regulator-max-microvolt = <5000000>;
36
37		gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
38		enable-active-high;
39		regulator-always-on;
40	};
41
42	vddio_boot: regulator-vddio_boot {
43		compatible = "regulator-fixed";
44		regulator-name = "VDDIO_BOOT";
45		regulator-min-microvolt = <1800000>;
46		regulator-max-microvolt = <1800000>;
47	};
48
49	vddao_3v3: regulator-vddao_3v3 {
50		compatible = "regulator-fixed";
51		regulator-name = "VDDAO_3V3";
52		regulator-min-microvolt = <3300000>;
53		regulator-max-microvolt = <3300000>;
54	};
55
56	vddio_ao18: regulator-vddio_ao18 {
57		compatible = "regulator-fixed";
58		regulator-name = "VDDIO_AO18";
59		regulator-min-microvolt = <1800000>;
60		regulator-max-microvolt = <1800000>;
61	};
62
63	vcc_3v3: regulator-vcc_3v3 {
64		compatible = "regulator-fixed";
65		regulator-name = "VCC_3V3";
66		regulator-min-microvolt = <3300000>;
67		regulator-max-microvolt = <3300000>;
68	};
69
70	emmc_pwrseq: emmc-pwrseq {
71		compatible = "mmc-pwrseq-emmc";
72		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
73	};
74
75	wifi32k: wifi32k {
76		compatible = "pwm-clock";
77		#clock-cells = <0>;
78		clock-frequency = <32768>;
79		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
80	};
81
82	sdio_pwrseq: sdio-pwrseq {
83		compatible = "mmc-pwrseq-simple";
84		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
85		clocks = <&wifi32k>;
86		clock-names = "ext_clock";
87	};
88};
89
90&ethmac {
91	status = "okay";
92};
93
94&ir {
95	status = "okay";
96	pinctrl-0 = <&remote_input_ao_pins>;
97	pinctrl-names = "default";
98};
99
100&saradc {
101	status = "okay";
102	vref-supply = <&vddio_ao18>;
103};
104
105/* Wireless SDIO Module */
106&sd_emmc_a {
107	status = "okay";
108	pinctrl-0 = <&sdio_pins>;
109	pinctrl-1 = <&sdio_clk_gate_pins>;
110	pinctrl-names = "default", "clk-gate";
111	#address-cells = <1>;
112	#size-cells = <0>;
113
114	bus-width = <4>;
115	cap-sd-highspeed;
116	max-frequency = <50000000>;
117
118	non-removable;
119	disable-wp;
120
121	/* WiFi firmware requires power to be kept while in suspend */
122	keep-power-in-suspend;
123
124	mmc-pwrseq = <&sdio_pwrseq>;
125
126	vmmc-supply = <&vddao_3v3>;
127	vqmmc-supply = <&vddio_boot>;
128};
129
130/* SD card */
131&sd_emmc_b {
132	status = "okay";
133	pinctrl-0 = <&sdcard_pins>;
134	pinctrl-1 = <&sdcard_clk_gate_pins>;
135	pinctrl-names = "default", "clk-gate";
136
137	bus-width = <4>;
138	cap-sd-highspeed;
139	max-frequency = <50000000>;
140	disable-wp;
141
142	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
143
144	vmmc-supply = <&vddao_3v3>;
145	vqmmc-supply = <&vddio_boot>;
146};
147
148/* eMMC */
149&sd_emmc_c {
150	status = "okay";
151	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
152	pinctrl-1 = <&emmc_clk_gate_pins>;
153	pinctrl-names = "default", "clk-gate";
154
155	bus-width = <8>;
156	cap-mmc-highspeed;
157	max-frequency = <200000000>;
158	non-removable;
159	disable-wp;
160	mmc-ddr-1_8v;
161	mmc-hs200-1_8v;
162
163	mmc-pwrseq = <&emmc_pwrseq>;
164	vmmc-supply = <&vcc_3v3>;
165	vqmmc-supply = <&vddio_boot>;
166};
167
168&pwm_ef {
169	status = "okay";
170	pinctrl-0 = <&pwm_e_pins>;
171	pinctrl-names = "default";
172	clocks = <&clkc CLKID_FCLK_DIV4>;
173	clock-names = "clkin0";
174};
175
176/* This is connected to the Bluetooth module: */
177&uart_A {
178	status = "okay";
179	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
180	pinctrl-names = "default";
181	uart-has-rtscts;
182
183	bluetooth {
184		compatible = "brcm,bcm43438-bt";
185		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
186		max-speed = <2000000>;
187		clocks = <&wifi32k>;
188		clock-names = "lpo";
189	};
190};
191
192&uart_AO {
193	status = "okay";
194	pinctrl-0 = <&uart_ao_a_pins>;
195	pinctrl-names = "default";
196};
197
198&usb {
199	status = "okay";
200	dr_mode = "host";
201};
202
203&usb2_phy0 {
204	/*
205	 * HDMI_5V is also used as supply for the USB VBUS.
206	 */
207	phy-supply = <&hdmi_5v>;
208};
209