148 lines
2.7 KiB
Plaintext
148 lines
2.7 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2023 SberDevices
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* Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
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*/
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/dts-v1/;
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#include "meson-a1.dtsi"
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/ {
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compatible = "amlogic,ad402", "amlogic,a1";
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model = "Amlogic Meson A1 AD402 Development Board";
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aliases {
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serial0 = &uart_AO_B;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x8000000>;
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};
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reserved-memory {
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/* 3 MiB reserved for Amlogic Trust OS (BL32) */
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secos_reserved: secos@3d00000 {
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reg = <0x0 0x03d00000 0x0 0x300000>;
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no-map;
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};
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};
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firmware {
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optee {
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compatible = "linaro,optee-tz";
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method = "smc";
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};
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};
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battery_4v2: regulator-battery-4v2 {
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compatible = "regulator-fixed";
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regulator-name = "4V2";
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regulator-min-microvolt = <4200000>;
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regulator-max-microvolt = <4200000>;
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regulator-always-on;
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};
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vddq_1v35: regulator-vddq-1v35 {
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compatible = "regulator-fixed";
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regulator-name = "VDDQ_1V35";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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vin-supply = <&battery_4v2>;
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regulator-always-on;
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};
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vddao_3v3: regulator-vddao-3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VDDAO_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&battery_4v2>;
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regulator-always-on;
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};
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vcc_3v3: regulator-vcc-3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VCC_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&vddao_3v3>;
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regulator-always-on;
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};
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vddio_1v8: regulator-vddio-1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VDDIO_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vddao_3v3>;
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regulator-always-on;
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};
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};
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/* Bluetooth HCI H4 */
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&uart_AO {
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status = "okay";
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pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
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pinctrl-names = "default";
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};
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&uart_AO_B {
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status = "okay";
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};
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&saradc {
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status = "okay";
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vref-supply = <&vddio_1v8>;
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};
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&spifc {
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status = "okay";
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pinctrl-0 = <&spifc_pins>;
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pinctrl-names = "default";
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spi_nand@0 {
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compatible = "spi-nand";
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status = "okay";
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reg = <0>;
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spi-max-frequency = <96000000>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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};
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};
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&usb2_phy1 {
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phy-supply = <&vcc_3v3>;
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};
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&usb {
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status = "okay";
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dr_mode = "peripheral";
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};
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&sd_emmc {
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-0 = <&sdio_pins>;
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pinctrl-1 = <&sdio_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <4>;
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cap-sd-highspeed;
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sd-uhs-sdr104;
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max-frequency = <200000000>;
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non-removable;
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disable-wp;
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vmmc-supply = <&vddao_3v3>;
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vqmmc-supply = <&vddio_1v8>;
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};
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