--- /dev/null
+# 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 <p.paillet@st.com>
+
+properties:
+ compatible:
+ const: st,stpmic1
+
+ reg:
+ const: 0x33
+
+ interrupts:
+ maxItems: 1
+
+ "#interrupt-cells":
+ const: 2
+
+ interrupt-controller: true
+
+ onkey:
+ type: object
+
+ allOf:
+ - $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
+
+ allOf:
+ - $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])$":
+ allOf:
+ - $ref: ../regulator/regulator.yaml
+
+ "^ldo[1-2,5-6]$":
+ 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
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - "#interrupt-cells"
+ - interrupt-controller
+
+examples:
+ - |
+ #include <dt-bindings/mfd/st,stpmic1.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ i2c@0 {
+ #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 = <IT_PONKEY_F 0>,<IT_PONKEY_R 1>;
+ 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 = <IT_CURLIM_BUCK1 0>;
+ 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 = <IT_CURLIM_BUCK4 0>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ ldo6 {
+ regulator-name = "v1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-over-current-protection;
+ };
+ };
+ };
+ };
+
+...
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