xref: /openbmc/linux/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi (revision 9e056506)

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2021 MediaTek Inc.
 */

#include <dt-bindings/gpio/gpio.h>
#include "mt8195.dtsi"
#include "mt6359.dtsi"

/ {
	aliases {
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0 0x40000000 0 0x80000000>;
	};

	/* system wide LDO 3.3V power rail */
	pp3300_z5: regulator-pp3300-ldo-z5 {
		compatible = "regulator-fixed";
		regulator-name = "pp3300_ldo_z5";
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&ppvar_sys>;
	};

	/* separately switched 3.3V power rail */
	pp3300_s3: regulator-pp3300-s3 {
		compatible = "regulator-fixed";
		regulator-name = "pp3300_s3";
		/* automatically sequenced by PMIC EXT_PMIC_EN2 */
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&pp3300_z2>;
	};

	/* system wide 3.3V power rail */
	pp3300_z2: regulator-pp3300-z2 {
		compatible = "regulator-fixed";
		regulator-name = "pp3300_z2";
		/* EN pin tied to pp4200_z2, which is controlled by EC */
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&ppvar_sys>;
	};

	/* system wide 4.2V power rail */
	pp4200_z2: regulator-pp4200-z2 {
		compatible = "regulator-fixed";
		regulator-name = "pp4200_z2";
		/* controlled by EC */
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <4200000>;
		regulator-max-microvolt = <4200000>;
		vin-supply = <&ppvar_sys>;
	};

	/* system wide switching 5.0V power rail */
	pp5000_s5: regulator-pp5000-s5 {
		compatible = "regulator-fixed";
		regulator-name = "pp5000_s5";
		/* controlled by EC */
		regulator-always-on;
		regulator-boot-on;
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&ppvar_sys>;
	};

	/* system wide semi-regulated power rail from battery or USB */
	ppvar_sys: regulator-ppvar-sys {
		compatible = "regulator-fixed";
		regulator-name = "ppvar_sys";
		regulator-always-on;
		regulator-boot-on;
	};
};

/* for CPU-L */
&mt6359_vcore_buck_reg {
	regulator-always-on;
};

/* for CORE */
&mt6359_vgpu11_buck_reg {
	regulator-always-on;
};

&mt6359_vgpu11_sshub_buck_reg {
	regulator-always-on;
	regulator-min-microvolt = <550000>;
	regulator-max-microvolt = <550000>;
};

/* for CORE SRAM */
&mt6359_vpu_buck_reg {
	regulator-always-on;
};

&mt6359_vrf12_ldo_reg {
	regulator-always-on;
};

/* for GPU SRAM */
&mt6359_vsram_others_ldo_reg {
	regulator-always-on;
	regulator-min-microvolt = <750000>;
	regulator-max-microvolt = <750000>;
};

&mt6359_vufs_ldo_reg {
	regulator-always-on;
};

&pmic {
	interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;
};

&uart0 {
	status = "okay";
};