arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts

   1 // 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 };