diff options
author | ChiYuan Huang <cy_huang@richtek.com> | 2020-08-15 06:14:21 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2020-08-18 19:18:36 +0300 |
commit | fd6b928db8a05fcd8629320c52eae214a8615aae (patch) | |
tree | bd0b6c700bd111d7099fffdad0c0e04bf5c1f4dc /Documentation/devicetree/bindings/regulator | |
parent | 5bbbfc7f7f0a44b7a85ab3872dd2ccce7019f7b1 (diff) | |
download | linux-fd6b928db8a05fcd8629320c52eae214a8615aae.tar.xz |
regulator: rt4801: Add DT binding documentation
Add a devicetree binding documentation for the rt4801 regulator driver.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1597461262-25878-2-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/regulator')
-rw-r--r-- | Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml new file mode 100644 index 000000000000..28d30e20eeb2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/richtek,rt4801-regulator.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/richtek,rt4801-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT4801 Display Bias regulators + +maintainers: + - ChiYuan Huang <cy_huang@richtek.com> + +description: | + Regulator nodes should be named to DSVP and DSVN. The + definition for each of these nodes is defined using the standard + binding for regulators at + Documentation/devicetree/bindings/regulator/regulator.txt. + Datasheet is available at + https://www.richtek.com/assets/product_file/RT4801H/DS4801H-00.pdf + +#The valid names for RT4801 regulator nodes are: +#DSVP, DSVN + +properties: + compatible: + enum: + - richtek,rt4801 + + reg: + maxItems: 1 + + enable-gpios: + description: GPIOs to use to enable DSVP/DSVN regulator. + The first one is ENP to enable DSVP, and second one is ENM to enable DSVN. + Number of GPIO in the array list could be 1 or 2. + If only one gpio is specified, only one gpio used to control ENP/ENM. + Else both are spefied, DSVP/DSVN could be controlled individually. + Othersie, this property not specified. treat both as always-on regulator. + minItems: 1 + maxItems: 2 + +patternProperties: + "^DSV(P|N)$": + type: object + $ref: regulator.yaml# + description: + Properties for single display bias regulator. + +required: + - compatible + - reg + +additionalProperties: + - enable-gpios + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rt4801@73 { + compatible = "richtek,rt4801"; + reg = <0x73>; + enable-gpios = <&gpio26 2 0>, <&gpio26 3 0>; + + dsvp: DSVP { + regulator-name = "rt4801,dsvp"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + dsvn: DSVN { + regulator-name = "rt4801,dsvn"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + + }; + }; |