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 = ðmac;
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 ðmac {
91 status = "okay";
92 };
93
94 &ir {
95 status = "okay";
96 pinctrl-0 = <&remote_input_ao_pins>;
97 pinctrl-names = "default";
98 };
99
100 &pwm_ef {
101 status = "okay";
102 pinctrl-0 = <&pwm_e_pins>;
103 pinctrl-names = "default";
104 clocks = <&clkc CLKID_FCLK_DIV4>;
105 clock-names = "clkin0";
106 };
107
108 &saradc {
109 status = "okay";
110 vref-supply = <&vddio_ao18>;
111 };
112
113 /* Wireless SDIO Module */
114 &sd_emmc_a {
115 status = "okay";
116 pinctrl-0 = <&sdio_pins>;
117 pinctrl-1 = <&sdio_clk_gate_pins>;
118 pinctrl-names = "default", "clk-gate";
119 #address-cells = <1>;
120 #size-cells = <0>;
121
122 bus-width = <4>;
123 cap-sd-highspeed;
124 max-frequency = <50000000>;
125
126 non-removable;
127 disable-wp;
128
129 /* WiFi firmware requires power to be kept while in suspend */
130 keep-power-in-suspend;
131
132 mmc-pwrseq = <&sdio_pwrseq>;
133
134 vmmc-supply = <&vddao_3v3>;
135 vqmmc-supply = <&vddio_boot>;
136
137 brcmf: wifi@1 {
138 reg = <1>;
139 compatible = "brcm,bcm4329-fmac";
140 };
141 };
142
143 /* SD card */
144 &sd_emmc_b {
145 status = "okay";
146 pinctrl-0 = <&sdcard_pins>;
147 pinctrl-1 = <&sdcard_clk_gate_pins>;
148 pinctrl-names = "default", "clk-gate";
149
150 bus-width = <4>;
151 cap-sd-highspeed;
152 max-frequency = <50000000>;
153 disable-wp;
154
155 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
156
157 vmmc-supply = <&vddao_3v3>;
158 vqmmc-supply = <&vddio_boot>;
159 };
160
161 /* eMMC */
162 &sd_emmc_c {
163 status = "okay";
164 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
165 pinctrl-1 = <&emmc_clk_gate_pins>;
166 pinctrl-names = "default", "clk-gate";
167
168 bus-width = <8>;
169 cap-mmc-highspeed;
170 max-frequency = <200000000>;
171 non-removable;
172 disable-wp;
173 mmc-ddr-1_8v;
174 mmc-hs200-1_8v;
175
176 mmc-pwrseq = <&emmc_pwrseq>;
177 vmmc-supply = <&vcc_3v3>;
178 vqmmc-supply = <&vddio_boot>;
179 };
180
181 /* This is connected to the Bluetooth module: */
182 &uart_A {
183 status = "okay";
184 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
185 pinctrl-names = "default";
186 uart-has-rtscts;
187
188 bluetooth {
189 compatible = "brcm,bcm43438-bt";
190 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
191 max-speed = <2000000>;
192 clocks = <&wifi32k>;
193 clock-names = "lpo";
194 };
195 };
196
197 &uart_AO {
198 status = "okay";
199 pinctrl-0 = <&uart_ao_a_pins>;
200 pinctrl-names = "default";
201 };
202
203 &usb {
204 status = "okay";
205 dr_mode = "host";
206 };
207
208 &usb2_phy0 {
209 /*
210 * HDMI_5V is also used as supply for the USB VBUS.
211 */
212 phy-supply = <&hdmi_5v>;
213 };
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