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regulator: Add MAX8893 bindings
Add Maxim MAX8893 PMIC device tree bindings. The example is also
provided.
Signed-off-by: Sergey Larin <cerg2010cerg2010@mail.ru>
Link: https://lore.kernel.org/r/20210618141607.884-2-cerg2010cerg2010@mail.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Sergey Larin
and committed by
Mark Brown
01c5741b
d83f778c
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Documentation/devicetree/bindings/regulator/max8893.yaml
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Documentation/devicetree/bindings/regulator/max8893.yaml
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/regulator/max8893.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Regulator driver for MAX8893 PMIC from Maxim Integrated.
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maintainers:
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- Sergey Larin <cerg2010cerg2010@mail.ru>
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description: |
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The device has 5 LDO regulators and a single BUCK regulator.
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Programming is done through I2C bus.
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properties:
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compatible:
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const: maxim,max8893
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reg:
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maxItems: 1
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regulators:
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type: object
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patternProperties:
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"^(ldo[1-5]|buck)$":
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$ref: "regulator.yaml#"
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additionalProperties: false
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additionalProperties: false
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required:
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- compatible
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- reg
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- regulators
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pmic@3e {
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compatible = "maxim,max8893";
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reg = <0x3e>;
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regulators {
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/* Front camera - s5k6aafx, back - m5mo */
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/* Numbers used to indicate the sequence */
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front_1_back_1: buck {
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regulator-name = "cam_isp_core_1v2";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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};
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front_4_back_5: ldo1 {
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regulator-name = "vt_io_1v8,cam_isp_1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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front_3_back_4: ldo2 {
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regulator-name = "vt_core_1v5";
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1500000>;
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};
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front_5_back_6: ldo3 {
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regulator-name = "vt_cam_1v8,vt_sensor_io_1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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ldo4 {
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/* not used */
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};
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back_7: ldo5 {
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regulator-name = "cam_sensor_io_1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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};
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};
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};
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...