# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/mfd/st,stpmic1.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: STMicroelectonics STPMIC1 Power Management IC bindings description: STMicroelectronics STPMIC1 Power Management IC maintainers: - pascal Paillet properties: compatible: const: st,stpmic1 reg: const: 0x33 interrupts: maxItems: 1 "#interrupt-cells": const: 2 interrupt-controller: true onkey: type: object $ref: ../input/input.yaml properties: compatible: const: st,stpmic1-onkey interrupts: items: - description: onkey-falling, happens when onkey is pressed. IT_PONKEY_F of pmic - description: onkey-rising, happens when onkey is released. IT_PONKEY_R of pmic interrupt-names: items: - const: onkey-falling - const: onkey-rising st,onkey-clear-cc-flag: description: onkey is able power on after an over-current shutdown event. $ref: /schemas/types.yaml#/definitions/flag st,onkey-pu-inactive: description: onkey pull up is not active $ref: /schemas/types.yaml#/definitions/flag power-off-time-sec: minimum: 1 maximum: 16 required: - compatible - interrupts - interrupt-names additionalProperties: false watchdog: type: object $ref: ../watchdog/watchdog.yaml properties: compatible: const: st,stpmic1-wdt timeout-sec: true required: - compatible additionalProperties: false regulators: type: object description: | Available Regulators in STPMIC1 device are: - buck1 for Buck BUCK1 - buck2 for Buck BUCK2 - buck3 for Buck BUCK3 - buck4 for Buck BUCK4 - ldo1 for LDO LDO1 - ldo2 for LDO LDO2 - ldo3 for LDO LDO3 - ldo4 for LDO LDO4 - ldo5 for LDO LDO5 - ldo6 for LDO LDO6 - vref_ddr for LDO Vref DDR - boost for Buck BOOST - pwr_sw1 for VBUS_OTG switch - pwr_sw2 for SW_OUT switch Switches are fixed voltage regulators with only enable/disable capability. properties: compatible: const: st,stpmic1-regulators ldo3: type: object properties: interrupts: maxItems: 1 st,mask-reset: description: mask reset for this regulator, the regulator configuration is maintained during pmic reset. $ref: /schemas/types.yaml#/definitions/flag regulator-name: true regulator-boot-on: true regulator-always-on: true regulator-min-microvolt: true regulator-max-microvolt: true regulator-allow-bypass: true regulator-over-current-protection: true additionalProperties: false ldo4: type: object properties: interrupts: maxItems: 1 st,mask-reset: description: mask reset for this regulator, the regulator configuration is maintained during pmic reset. $ref: /schemas/types.yaml#/definitions/flag regulator-name: true regulator-boot-on: true regulator-always-on: true regulator-over-current-protection: true additionalProperties: false vref_ddr: type: object properties: interrupts: maxItems: 1 st,mask-reset: description: mask reset for this regulator, the regulator configuration is maintained during pmic reset. $ref: /schemas/types.yaml#/definitions/flag regulator-name: true regulator-boot-on: true regulator-always-on: true additionalProperties: false boost: type: object properties: interrupts: maxItems: 1 st,mask-reset: description: mask reset for this regulator, the regulator configuration is maintained during pmic reset. $ref: /schemas/types.yaml#/definitions/flag regulator-name: true regulator-boot-on: true regulator-always-on: true regulator-over-current-protection: true additionalProperties: false patternProperties: "^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$": description: STPMIC1 voltage regulators supplies "^(buck[1-4]|ldo[1-6]|boost|vref_ddr|pwr_sw[1-2])$": $ref: ../regulator/regulator.yaml "^ldo[1-2,5-6]$": type: object properties: interrupts: maxItems: 1 st,mask-reset: description: mask reset for this regulator, the regulator configuration is maintained during pmic reset. $ref: /schemas/types.yaml#/definitions/flag regulator-name: true regulator-boot-on: true regulator-always-on: true regulator-min-microvolt: true regulator-max-microvolt: true regulator-over-current-protection: true regulator-enable-ramp-delay: true additionalProperties: false "^buck[1-4]$": type: object properties: interrupts: maxItems: 1 st,mask-reset: description: mask reset for this regulator, the regulator configuration is maintained during pmic reset. $ref: /schemas/types.yaml#/definitions/flag regulator-name: true regulator-boot-on: true regulator-always-on: true regulator-min-microvolt: true regulator-max-microvolt: true regulator-initial-mode: true regulator-pull-down: true regulator-over-current-protection: true regulator-enable-ramp-delay: true additionalProperties: false "^pwr_sw[1-2]$": type: object properties: interrupts: maxItems: 1 regulator-name: true regulator-boot-on: true regulator-always-on: true regulator-over-current-protection: true regulator-active-discharge: true additionalProperties: false required: - compatible additionalProperties: false additionalProperties: false required: - compatible - reg - interrupts - "#interrupt-cells" - interrupt-controller examples: - | #include #include i2c { #address-cells = <1>; #size-cells = <0>; pmic@33 { compatible = "st,stpmic1"; reg = <0x33>; interrupt-parent = <&gpioa>; interrupts = <0 2>; interrupt-controller; #interrupt-cells = <2>; onkey { compatible = "st,stpmic1-onkey"; interrupts = ,; interrupt-names = "onkey-falling", "onkey-rising"; power-off-time-sec = <10>; }; watchdog { compatible = "st,stpmic1-wdt"; }; regulators { compatible = "st,stpmic1-regulators"; ldo6-supply = <&v3v3>; buck1 { regulator-name = "vdd_core"; interrupts = ; st,mask-reset; regulator-boot-on; regulator-min-microvolt = <700000>; regulator-max-microvolt = <1200000>; }; buck3 { regulator-name = "vdd"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-boot-on; regulator-pull-down; }; buck4 { regulator-name = "v3v3"; interrupts = ; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; ldo6 { regulator-name = "v1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-over-current-protection; }; }; }; }; ...