// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2023 SberDevices * Author: Dmitry Rokosov */ /dts-v1/; #include "meson-a1.dtsi" / { 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; }; }; /* 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>; };