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author | Emmanuel Vadot <manu@FreeBSD.org> | 2021-03-23 15:12:39 +0000 |
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committer | Emmanuel Vadot <manu@FreeBSD.org> | 2021-03-23 15:12:39 +0000 |
commit | f544df78d0a1769b32c231209e7a5c4e7d4d2d1d (patch) | |
tree | db41b4e33d37779326e3c422f56b976cf8f4f1f3 /Bindings/regulator/richtek,rt4831-regulator.yaml | |
parent | e7ffa3b5ce04742455c6bd4d8af0fdedd9978c77 (diff) | |
download | src-f544df78d0a1769b32c231209e7a5c4e7d4d2d1d.tar.gz src-f544df78d0a1769b32c231209e7a5c4e7d4d2d1d.zip |
Diffstat (limited to 'Bindings/regulator/richtek,rt4831-regulator.yaml')
-rw-r--r-- | Bindings/regulator/richtek,rt4831-regulator.yaml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Bindings/regulator/richtek,rt4831-regulator.yaml b/Bindings/regulator/richtek,rt4831-regulator.yaml new file mode 100644 index 000000000000..d9c23333e157 --- /dev/null +++ b/Bindings/regulator/richtek,rt4831-regulator.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/richtek,rt4831-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT4831 Display Bias Voltage Regulator + +maintainers: + - ChiYuan Huang <cy_huang@richtek.com> + +description: | + RT4831 is a multifunctional device that can provide power to the LCD display + and LCD backlight. + + For Display Bias Voltage DSVP and DSVN, the output range is about 4V to 6.5V. + It is sufficient to meet the current LCD power requirement. + + DSVLCM is a boost regulator in IC internal as DSVP and DSVN input power. + Its voltage should be configured above 0.15V to 0.2V gap larger than the + voltage needed for DSVP and DSVN. Too much voltage gap could improve the + voltage drop from the heavy loading scenario. But it also make the power + efficiency worse. It's a trade-off. + + Datasheet is available at + https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf + +patternProperties: + "^DSV(LCM|P|N)$": + type: object + $ref: regulator.yaml# + description: + Properties for single Display Bias Voltage regulator. + +additionalProperties: false |