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133 lines
3.7 KiB
YAML
133 lines
3.7 KiB
YAML
# 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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$id: http://devicetree.org/schemas/mfd/maxim,max77686.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim MAX77686 Power Management IC
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maintainers:
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- Chanwoo Choi <cw00.choi@samsung.com>
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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 Maxim MAX77686 Power Management
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Integrated Circuit (PMIC).
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The Maxim MAX77686 is a Power Management IC which includes voltage and
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current regulators, RTC and clock outputs.
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The MAX77686 provides three 32.768khz clock outputs that can be controlled
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(gated/ungated) over I2C. The clock IDs are defined as preprocessor macros
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in dt-bindings/clock/maxim,max77686.h.
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properties:
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compatible:
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const: maxim,max77686
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'#clock-cells':
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const: 1
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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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voltage-regulators:
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$ref: ../regulator/maxim,max77686.yaml
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description:
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List of child nodes that specify the regulators.
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wakeup-source: true
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required:
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- compatible
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- '#clock-cells'
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- reg
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additionalProperties: 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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max77686: pmic@9 {
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compatible = "maxim,max77686";
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reg = <0x09>;
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interrupt-parent = <&gpx0>;
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interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-0 = <&max77686_irq>;
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pinctrl-names = "default";
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wakeup-source;
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#clock-cells = <1>;
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voltage-regulators {
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LDO1 {
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regulator-name = "VALIVE_1.0V_AP";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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};
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LDO2 {
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regulator-name = "VM1M2_1.2V_AP";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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};
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};
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// ...
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LDO22 {
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regulator-name = "VMEM_VDD_2.8V";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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maxim,ena-gpios = <&gpk0 2 GPIO_ACTIVE_HIGH>;
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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 = <850000>;
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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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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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BUCK2 {
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regulator-name = "VDD_ARM";
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1500000>;
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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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};
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};
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// ...
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BUCK9 {
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regulator-name = "CAM_ISP_CORE_1.2V";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1200000>;
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maxim,ena-gpios = <&gpm0 3 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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};
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