blob: 1c20516fa653a8a0994d604258bf2db54b80b882 [file] [log] [blame]
Tom Rini53633a82024-02-29 12:33:36 -05001// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2023 SberDevices
4 * Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
5 */
6
7/dts-v1/;
8
9#include "meson-a1.dtsi"
10
11/ {
12 compatible = "amlogic,ad402", "amlogic,a1";
13 model = "Amlogic Meson A1 AD402 Development Board";
14
15 aliases {
16 serial0 = &uart_AO_B;
17 };
18
19 chosen {
20 stdout-path = "serial0:115200n8";
21 };
22
23 memory@0 {
24 device_type = "memory";
25 reg = <0x0 0x0 0x0 0x8000000>;
26 };
27
28 reserved-memory {
29 /* 3 MiB reserved for Amlogic Trust OS (BL32) */
30 secos_reserved: secos@3d00000 {
31 reg = <0x0 0x03d00000 0x0 0x300000>;
32 no-map;
33 };
34 };
35
36 firmware {
37 optee {
38 compatible = "linaro,optee-tz";
39 method = "smc";
40 };
41 };
42
43 battery_4v2: regulator-battery-4v2 {
44 compatible = "regulator-fixed";
45 regulator-name = "4V2";
46 regulator-min-microvolt = <4200000>;
47 regulator-max-microvolt = <4200000>;
48 regulator-always-on;
49 };
50
51 vddq_1v35: regulator-vddq-1v35 {
52 compatible = "regulator-fixed";
53 regulator-name = "VDDQ_1V35";
54 regulator-min-microvolt = <1350000>;
55 regulator-max-microvolt = <1350000>;
56 vin-supply = <&battery_4v2>;
57 regulator-always-on;
58 };
59
60 vddao_3v3: regulator-vddao-3v3 {
61 compatible = "regulator-fixed";
62 regulator-name = "VDDAO_3V3";
63 regulator-min-microvolt = <3300000>;
64 regulator-max-microvolt = <3300000>;
65 vin-supply = <&battery_4v2>;
66 regulator-always-on;
67 };
68
69 vcc_3v3: regulator-vcc-3v3 {
70 compatible = "regulator-fixed";
71 regulator-name = "VCC_3V3";
72 regulator-min-microvolt = <3300000>;
73 regulator-max-microvolt = <3300000>;
74 vin-supply = <&vddao_3v3>;
75 regulator-always-on;
76 };
77
78 vddio_1v8: regulator-vddio-1v8 {
79 compatible = "regulator-fixed";
80 regulator-name = "VDDIO_1V8";
81 regulator-min-microvolt = <1800000>;
82 regulator-max-microvolt = <1800000>;
83 vin-supply = <&vddao_3v3>;
84 regulator-always-on;
85 };
86};
87
88/* Bluetooth HCI H4 */
89&uart_AO {
90 status = "okay";
91 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
92 pinctrl-names = "default";
93};
94
95&uart_AO_B {
96 status = "okay";
97};
98
99&saradc {
100 status = "okay";
101 vref-supply = <&vddio_1v8>;
102};
103
104&spifc {
105 status = "okay";
106 pinctrl-0 = <&spifc_pins>;
107 pinctrl-names = "default";
108
109 spi_nand@0 {
110 compatible = "spi-nand";
111 status = "okay";
112 reg = <0>;
113 spi-max-frequency = <96000000>;
114 spi-tx-bus-width = <4>;
115 spi-rx-bus-width = <4>;
116 };
117};
118
119&usb2_phy1 {
120 phy-supply = <&vcc_3v3>;
121};
122
123&usb {
124 status = "okay";
125 dr_mode = "peripheral";
126};
127
128&sd_emmc {
129 status = "okay";
130
131 #address-cells = <1>;
132 #size-cells = <0>;
133
134 pinctrl-0 = <&sdio_pins>;
135 pinctrl-1 = <&sdio_clk_gate_pins>;
136 pinctrl-names = "default", "clk-gate";
137
138 bus-width = <4>;
139 cap-sd-highspeed;
140 sd-uhs-sdr104;
141 max-frequency = <200000000>;
142 non-removable;
143 disable-wp;
144
145 vmmc-supply = <&vddao_3v3>;
146 vqmmc-supply = <&vddio_1v8>;
147};