308 lines
9.3 KiB
YAML
308 lines
9.3 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/samsung,s5m8767.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung S5M8767 Power Management IC
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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description: |
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This is a part of device tree bindings for S2M and S5M family of Power
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Management IC (PMIC).
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The Samsung S5M8767 is a Power Management IC which includes voltage
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and current regulators, RTC, clock outputs and other sub-blocks.
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properties:
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compatible:
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const: samsung,s5m8767-pmic
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clocks:
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$ref: ../clock/samsung,s2mps11.yaml
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description:
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Child node describing clock provider.
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interrupts:
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maxItems: 1
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reg:
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maxItems: 1
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regulators:
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$ref: ../regulator/samsung,s5m8767.yaml
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description:
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List of child nodes that specify the regulators.
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s5m8767,pmic-buck2-dvs-voltage:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 8
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maxItems: 8
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description: |
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A set of 8 voltage values in micro-volt (uV) units for buck2 when
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changing voltage using gpio dvs.
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s5m8767,pmic-buck3-dvs-voltage:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 8
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maxItems: 8
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description: |
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A set of 8 voltage values in micro-volt (uV) units for buck3 when
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changing voltage using gpio dvs.
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s5m8767,pmic-buck4-dvs-voltage:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 8
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maxItems: 8
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description: |
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A set of 8 voltage values in micro-volt (uV) units for buck4 when
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changing voltage using gpio dvs.
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s5m8767,pmic-buck-ds-gpios:
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minItems: 3
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maxItems: 3
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description: |
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GPIO specifiers for three host gpio's used for selecting GPIO DVS lines.
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It is one-to-one mapped to dvs gpio lines.
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s5m8767,pmic-buck2-uses-gpio-dvs:
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type: boolean
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description: buck2 can be controlled by gpio dvs.
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s5m8767,pmic-buck3-uses-gpio-dvs:
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type: boolean
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description: buck3 can be controlled by gpio dvs.
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s5m8767,pmic-buck4-uses-gpio-dvs:
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type: boolean
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description: buck4 can be controlled by gpio dvs.
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s5m8767,pmic-buck-default-dvs-idx:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minimum: 0
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maximum: 7
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default: 0
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description: |
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Default voltage setting selected from the possible 8 options selectable
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by the dvs gpios. The value of this property should be between 0 and 7.
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If not specified or if out of range, the default value of this property
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is set to 0.
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s5m8767,pmic-buck-dvs-gpios:
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minItems: 3
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maxItems: 3
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description: |
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GPIO specifiers for three host gpio's used for dvs.
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vinb1-supply:
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description: Power supply for buck1
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vinb2-supply:
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description: Power supply for buck2
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vinb3-supply:
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description: Power supply for buck3
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vinb4-supply:
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description: Power supply for buck4
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vinb5-supply:
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description: Power supply for buck5
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vinb6-supply:
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description: Power supply for buck6
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vinb7-supply:
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description: Power supply for buck7
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vinb8-supply:
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description: Power supply for buck8
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vinb9-supply:
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description: Power supply for buck9
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vinl1-supply:
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description: Power supply for LDO3, LDO10, LDO26, LDO27
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vinl2-supply:
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description: Power supply for LDO13, LDO16, LDO25, LDO28
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vinl3-supply:
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description: Power supply for LDO11, LDO14
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vinl4-supply:
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description: Power supply for LDO4, LDO9
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vinl5-supply:
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description: Power supply for LDO12, LDO17, LDO19, LDO23
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vinl6-supply:
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description: Power supply for LDO18, LDO20, LDO21, LDO24
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vinl7-supply:
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description: Power supply for LDO5, LDO22
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vinl8-supply:
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description: Power supply for LDO1, LDO6, LDO7, LDO8, LDO15
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vinl9-supply:
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description: Power supply for LDO2
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wakeup-source: true
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required:
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- compatible
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- reg
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- regulators
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- s5m8767,pmic-buck-ds-gpios
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dependencies:
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s5m8767,pmic-buck2-dvs-voltage: [ 's5m8767,pmic-buck-dvs-gpios' ]
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s5m8767,pmic-buck3-dvs-voltage: [ 's5m8767,pmic-buck-dvs-gpios' ]
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s5m8767,pmic-buck4-dvs-voltage: [ 's5m8767,pmic-buck-dvs-gpios' ]
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s5m8767,pmic-buck2-uses-gpio-dvs: [ 's5m8767,pmic-buck-dvs-gpios', 's5m8767,pmic-buck2-dvs-voltage' ]
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s5m8767,pmic-buck3-uses-gpio-dvs: [ 's5m8767,pmic-buck-dvs-gpios', 's5m8767,pmic-buck3-dvs-voltage' ]
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s5m8767,pmic-buck4-uses-gpio-dvs: [ 's5m8767,pmic-buck-dvs-gpios', 's5m8767,pmic-buck4-dvs-voltage' ]
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additionalProperties: false
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allOf:
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- if:
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required:
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- s5m8767,pmic-buck2-uses-gpio-dvs
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then:
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properties:
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s5m8767,pmic-buck3-uses-gpio-dvs: false
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s5m8767,pmic-buck4-uses-gpio-dvs: false
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- if:
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required:
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- s5m8767,pmic-buck3-uses-gpio-dvs
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then:
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properties:
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s5m8767,pmic-buck2-uses-gpio-dvs: false
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s5m8767,pmic-buck4-uses-gpio-dvs: false
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- if:
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required:
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- s5m8767,pmic-buck4-uses-gpio-dvs
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then:
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properties:
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s5m8767,pmic-buck2-uses-gpio-dvs: false
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s5m8767,pmic-buck3-uses-gpio-dvs: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pmic@66 {
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compatible = "samsung,s5m8767-pmic";
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reg = <0x66>;
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interrupt-parent = <&gpx3>;
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interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
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wakeup-source;
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s5m8767,pmic-buck-default-dvs-idx = <3>;
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s5m8767,pmic-buck2-uses-gpio-dvs;
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s5m8767,pmic-buck-dvs-gpios = <&gpd1 0 GPIO_ACTIVE_LOW>,
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<&gpd1 1 GPIO_ACTIVE_LOW>,
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<&gpd1 2 GPIO_ACTIVE_LOW>;
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s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>,
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<&gpx2 4 GPIO_ACTIVE_LOW>,
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<&gpx2 5 GPIO_ACTIVE_LOW>;
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s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>,
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<1250000>, <1200000>,
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<1150000>, <1100000>,
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<1000000>, <950000>;
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s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>,
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<1100000>, <1100000>,
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<1000000>, <1000000>,
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<1000000>, <1000000>;
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s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>,
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<1200000>, <1200000>,
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<1200000>, <1200000>,
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<1200000>, <1200000>;
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clocks {
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compatible = "samsung,s5m8767-clk";
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#clock-cells = <1>;
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clock-output-names = "en32khz_ap", "en32khz_cp", "en32khz_bt";
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};
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regulators {
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LDO1 {
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regulator-name = "VDD_ALIVE";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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regulator-boot-on;
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op_mode = <1>; /* Normal Mode */
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};
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// ...
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BUCK1 {
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regulator-name = "VDD_MIF";
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regulator-min-microvolt = <950000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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regulator-boot-on;
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op_mode = <1>; /* Normal Mode */
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};
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BUCK2 {
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regulator-name = "VDD_ARM";
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-boot-on;
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op_mode = <1>; /* Normal Mode */
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};
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// ...
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};
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};
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};
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pmic@66 {
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compatible = "samsung,s5m8767-pmic";
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reg = <0x66>;
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interrupt-parent = <&gpx3>;
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interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
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wakeup-source;
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s5m8767,pmic-buck-ds-gpios = <&gpx2 3 GPIO_ACTIVE_LOW>,
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<&gpx2 4 GPIO_ACTIVE_LOW>,
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<&gpx2 5 GPIO_ACTIVE_LOW>;
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clocks {
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compatible = "samsung,s5m8767-clk";
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#clock-cells = <1>;
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clock-output-names = "en32khz_ap", "en32khz_cp", "en32khz_bt";
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};
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regulators {
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LDO1 {
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regulator-name = "VDD_ALIVE";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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regulator-boot-on;
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op_mode = <1>; /* Normal Mode */
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};
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// ...
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};
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};
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};
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