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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2023 SberDevices
* Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
*/
/dts-v1/;
#include "meson-a1.dtsi"
#include <dt-bindings/thermal/thermal.h>
/ {
compatible = "amlogic,ad402", "amlogic,a1";
model = "Amlogic Meson A1 AD402 Development Board";
aliases {
serial0 = &uart_AO_B;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x0 0x8000000>;
};
reserved-memory {
/* 3 MiB reserved for Amlogic Trust OS (BL32) */
secos_reserved: secos@3d00000 {
reg = <0x0 0x03d00000 0x0 0x300000>;
no-map;
};
};
firmware {
optee {
compatible = "linaro,optee-tz";
method = "smc";
};
};
battery_4v2: regulator-battery-4v2 {
compatible = "regulator-fixed";
regulator-name = "4V2";
regulator-min-microvolt = <4200000>;
regulator-max-microvolt = <4200000>;
regulator-always-on;
};
vddq_1v35: regulator-vddq-1v35 {
compatible = "regulator-fixed";
regulator-name = "VDDQ_1V35";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
vin-supply = <&battery_4v2>;
regulator-always-on;
};
vddao_3v3: regulator-vddao-3v3 {
compatible = "regulator-fixed";
regulator-name = "VDDAO_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&battery_4v2>;
regulator-always-on;
};
vcc_3v3: regulator-vcc-3v3 {
compatible = "regulator-fixed";
regulator-name = "VCC_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
vddio_1v8: regulator-vddio-1v8 {
compatible = "regulator-fixed";
regulator-name = "VDDIO_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vddao_3v3>;
regulator-always-on;
};
thermal-zones {
soc_thermal: soc-thermal {
polling-delay = <1000>;
polling-delay-passive = <100>;
sustainable-power = <130>;
thermal-sensors = <&cpu_temp>;
trips {
soc_passive: soc-passive {
temperature = <70000>;
hysteresis = <2000>;
type = "passive";
};
soc_hot: soc-hot {
temperature = <85000>;
hysteresis = <5000>;
type = "hot";
};
soc_critical: soc-critical {
temperature = <110000>;
hysteresis = <1000>;
type = "critical";
};
};
soc_cooling_maps: cooling-maps {
map0 {
trip = <&soc_passive>;
cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
map1 {
trip = <&soc_hot>;
cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
};
};
};
/* Bluetooth HCI H4 */
&uart_AO {
status = "okay";
pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
pinctrl-names = "default";
};
&uart_AO_B {
status = "okay";
};
&saradc {
status = "okay";
vref-supply = <&vddio_1v8>;
};
&spifc {
status = "okay";
pinctrl-0 = <&spifc_pins>;
pinctrl-names = "default";
flash@0 {
compatible = "spi-nand";
status = "okay";
reg = <0>;
spi-max-frequency = <96000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
};
};
&usb2_phy1 {
phy-supply = <&vcc_3v3>;
};
&usb {
status = "okay";
dr_mode = "peripheral";
};
&sd_emmc {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-0 = <&sdio_pins>;
pinctrl-1 = <&sdio_clk_gate_pins>;
pinctrl-names = "default", "clk-gate";
bus-width = <4>;
cap-sd-highspeed;
sd-uhs-sdr104;
max-frequency = <200000000>;
non-removable;
disable-wp;
vmmc-supply = <&vddao_3v3>;
vqmmc-supply = <&vddio_1v8>;
};
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