From: cy_huang <u0084500@gmail.com> To: lee.jones@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, daniel.thompson@linaro.org, jingoohan1@gmail.com, b.zolnierkie@samsung.com Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, ChiYuan Huang <cy_huang@richtek.com> Subject: [PATCH v5 3/6] regulator: rt4831: Adds DT binding document for Richtek RT4831 DSV regulator Date: Thu, 17 Dec 2020 23:00:41 +0800 [thread overview] Message-ID: <1608217244-314-3-git-send-email-u0084500@gmail.com> (raw) In-Reply-To: <1608217244-314-1-git-send-email-u0084500@gmail.com> From: ChiYuan Huang <cy_huang@richtek.com> Adds DT binding document for Richtek RT4831 DSV regulator. Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> --- since v5 - Revert it back from v3 patch. - Drop the example in dt-binding, Already full example in mfd dt-binding. --- .../regulator/richtek,rt4831-regulator.yaml | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml new file mode 100644 index 00000000..d9c2333 --- /dev/null +++ b/Documentation/devicetree/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 + $ref: regulator.yaml# + description: + Properties for single Display Bias Voltage regulator. + +additionalProperties: false -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: cy_huang <u0084500@gmail.com> To: lee.jones@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, daniel.thompson@linaro.org, jingoohan1@gmail.com, b.zolnierkie@samsung.com Cc: ChiYuan Huang <cy_huang@richtek.com>, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v5 3/6] regulator: rt4831: Adds DT binding document for Richtek RT4831 DSV regulator Date: Thu, 17 Dec 2020 23:00:41 +0800 [thread overview] Message-ID: <1608217244-314-3-git-send-email-u0084500@gmail.com> (raw) In-Reply-To: <1608217244-314-1-git-send-email-u0084500@gmail.com> From: ChiYuan Huang <cy_huang@richtek.com> Adds DT binding document for Richtek RT4831 DSV regulator. Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> --- since v5 - Revert it back from v3 patch. - Drop the example in dt-binding, Already full example in mfd dt-binding. --- .../regulator/richtek,rt4831-regulator.yaml | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml new file mode 100644 index 00000000..d9c2333 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/richtek,rt4831-regulator.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$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 -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-12-17 15:02 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-17 15:00 [PATCH v5 1/6] mfd: rt4831: Adds support for Richtek RT4831 core cy_huang 2020-12-17 15:00 ` cy_huang 2020-12-17 15:00 ` [PATCH v5 2/6] backlight: rt4831: Adds DT binding document for Richtek RT4831 backlight cy_huang 2020-12-17 15:00 ` cy_huang 2020-12-17 15:00 ` cy_huang [this message] 2020-12-17 15:00 ` [PATCH v5 3/6] regulator: rt4831: Adds DT binding document for Richtek RT4831 DSV regulator cy_huang 2020-12-17 15:00 ` [PATCH v5 4/6] mfd: rt4831: Adds DT binding document for Richtek RT4831 core cy_huang 2020-12-17 15:00 ` cy_huang 2020-12-17 15:00 ` [PATCH v5 5/6] backlight: rt4831: Adds support for Richtek RT4831 backlight cy_huang 2020-12-17 15:00 ` cy_huang 2021-03-25 8:22 ` ChiYuan Huang 2021-03-25 8:22 ` ChiYuan Huang 2021-03-25 11:54 ` Daniel Thompson 2021-03-25 11:54 ` Daniel Thompson 2021-03-25 11:53 ` Daniel Thompson 2021-03-25 11:53 ` Daniel Thompson 2020-12-17 15:00 ` [PATCH v5 6/6] regulator: rt4831: Adds support for Richtek RT4831 DSV regulator cy_huang 2020-12-17 15:00 ` cy_huang 2020-12-28 16:13 ` (subset) [PATCH v5 1/6] mfd: rt4831: Adds support for Richtek RT4831 core Mark Brown 2020-12-28 16:13 ` Mark Brown 2021-01-13 12:21 ` Lee Jones 2021-01-13 12:21 ` Lee Jones 2021-01-13 14:09 ` ChiYuan Huang 2021-01-13 14:09 ` ChiYuan Huang 2021-03-25 8:25 ` ChiYuan Huang 2021-03-25 8:25 ` ChiYuan Huang 2021-03-25 14:31 ` Lee Jones 2021-03-25 14:31 ` Lee Jones
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