xref: /linux/scripts/dtc/include-prefixes/arm64/allwinner/sun50i-a133-helperboard-core.dtsi (revision 67f8bc848ee31831336bd478e57d2f993551902e)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2025 Arm Ltd.
 * Copyright (c) 2026 Alexander Sverdlin <alexander.sverdlin@gmail.com>
 */

/dts-v1/;

#include "sun50i-a100.dtsi"
#include "sun50i-a100-cpu-opp.dtsi"

/{
	model = "Baijie A133 HelperBoard Core";
	compatible = "baijie,helperboard-a133-core",
		     "allwinner,sun50i-a100";

	aliases {
		serial1 = &uart1;	/* BT module */
	};
};

&cpu0 {
	cpu-supply = <&reg_dcdc2>;
};

&lradc {
	vref-supply = <&reg_aldo1>;
};

&mmc2 {
	vmmc-supply = <&reg_dcdc1>;
	vqmmc-supply = <&reg_eldo1>;
	cap-mmc-highspeed;
	cap-mmc-hw-reset;
	max-frequency = <100000000>;
	non-removable;
	bus-width = <8>;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;
	status = "okay";
};

&pio {
	vcc-pb-supply = <&reg_dcdc1>;
	vcc-pc-supply = <&reg_eldo1>;
	vcc-pd-supply = <&reg_dcdc1>;
	vcc-pe-supply = <&reg_dldo2>;
	vcc-pf-supply = <&reg_dcdc1>;
	vcc-pg-supply = <&reg_dldo1>;
	vcc-ph-supply = <&reg_dcdc1>;
	/*
	 * PL0/PL1 are the I2C connection to PMIC, but it would create a
	 * circular dependency:
	 * vcc-pl-supply = <&reg_aldo3>;
	 */
};

&r_i2c0 {
	status = "okay";

	axp803: pmic@34 {
		compatible = "x-powers,axp803";
		reg = <0x34>;
		interrupt-parent = <&r_intc>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
		x-powers,drive-vbus-en;		/* set N_VBUSEN as output pin */
		aldoin-supply = <&reg_vdd5v>;
		dldoin-supply = <&reg_vdd5v>;
		eldoin-supply = <&reg_vdd5v>;
		fldoin-supply = <&reg_dcdc5>;
		vin1-supply = <&reg_vdd5v>;
		vin2-supply = <&reg_vdd5v>;
		vin3-supply = <&reg_vdd5v>;
		vin4-supply = <&reg_vdd5v>;
		vin5-supply = <&reg_vdd5v>;
		vin6-supply = <&reg_vdd5v>;
		drivevbus-supply = <&reg_vdd5v>;
	};
};

#include "axp803.dtsi"

&ac_power_supply {
	status = "okay";
};

&reg_aldo1 {
	/* PLL + LRADC analog reference */
	regulator-always-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-pll";
};

&reg_aldo2 {
	/* LPDDR */
	regulator-always-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vdd18-lpddr";
};

&reg_aldo3 {
	/*
	 * Port L, but linking it to &pio node would create a circular
	 * dependency because of PL0/PL1 I2C connection to PMIC
	 */
	regulator-always-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-pl";
};

&reg_dcdc1 {
	/* Besides Port D it also powers analog part of USB IP and SoC I/O */
	regulator-always-on;
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-3v3";
};

&reg_dcdc2 {
	regulator-always-on;
	regulator-min-microvolt = <810000>;
	regulator-max-microvolt = <1200000>;
	regulator-name = "vdd-cpu";
};

/* DCDC3 is polyphased with DCDC2 */

&reg_dcdc4 {
	/* Digital part of USB IP, "System" SoC power rail */
	regulator-always-on;
	regulator-min-microvolt = <950000>;
	regulator-max-microvolt = <950000>;
	regulator-name = "vdd-sys";
};

&reg_dcdc5 {
	regulator-always-on;
	regulator-min-microvolt = <1100000>;
	regulator-max-microvolt = <1100000>;
	regulator-name = "vcc-dram";
};

/* DCDC6 unused */
&reg_dcdc6 {
	status = "disabled";
};

&reg_dldo1 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-pg";
};

&reg_dldo2 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-pe";
};

&reg_dldo3 {
	regulator-min-microvolt = <2800000>;
	regulator-max-microvolt = <2800000>;
	regulator-name = "avdd-csi";
};

&reg_dldo4 {
	regulator-min-microvolt = <2800000>;
	regulator-max-microvolt = <2800000>;
	regulator-name = "afvcc-csi";
};

&reg_eldo1 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-pc";
};

&reg_eldo2 {
	regulator-min-microvolt = <1200000>;
	regulator-max-microvolt = <1200000>;
	regulator-name = "dvdd-csi";
};

/* ELDO3 unused */

&reg_fldo1 {
	/* CPUS power rail */
	regulator-always-on;
	regulator-min-microvolt = <900000>;
	regulator-max-microvolt = <900000>;
	regulator-name = "vdd-cpus";
};

/* reg_drivevbus unused */