linux-kernel - Re: [PATCH 1/2] regulator: rtq6752: Add binding document for Richtek RTQ6752

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Date:   Wed, 14 Jul 2021 02:19:11 +0000
From:   cy_huang(黃啟原) <cy_huang@...htek.com>
To:     "robh@...nel.org" <robh@...nel.org>,
        "u0084500@...il.com" <u0084500@...il.com>
CC:     "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 1/2] regulator: rtq6752: Add binding document for Richtek
 RTQ6752

> On Fri, Jul 09, 2021 at 11:40:35PM +0800, cy_huang wrote:
> >
> > From: ChiYuan Huang <cy_huang@...htek.com>
> >
> > Add binding document for Richtek RTQ6752.
> >
> > Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
> > ---
> >  .../regulator/richtek,rtq6752-regulator.yaml       | 78
> > ++++++++++++++++++++++
> >  1 file changed, 78 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/regulator/richtek,rtq6752-regulator.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/regulator/richtek,rtq6752-
> > regulator.yaml
> > b/Documentation/devicetree/bindings/regulator/richtek,rtq6752-regulator.yaml
> > new file mode 100644
> > index 00000000..641840e
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/regulator/richtek,rtq6752-
> > regulator.yaml
> > @@ -0,0 +1,78 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/regulator/richtek,rtq6752-regulator.yaml
> > #
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Richtek RTQ6752 TFT LCD Voltage Regulator
> > +
> > +maintainers:
> > +  - ChiYuan Huang <cy_huang@...htek.com>
> > +
> > +description: |
> > +  The RTQ6752 is an I2C interface pgorammable power management IC. It
> > includes
> > +  two synchronous boost converter for PAVDD, and one synchronous NAVDD
> > +  buck-boost. The device is suitable for automotive TFT-LCD panel.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - richtek,rtq6752
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  enable-gpios:
> > +    description: |
> > +      A connection of the chip 'enable' gpio line. If not provided, treat
> > it as
> > +      external pull up.
> > +    maxItems: 1
> > +
> > +  regulators:
> > +    type: object
> > +    $ref: regulator.yaml#
> This node is not a regulator, just a container. Drop.
>
Yes.
> >
> > +
> > +    patternProperties:
> > +      "^(p|n)avdd$":
> > +        type: object
> > +        $ref: regulator.yaml#
> > +        description: |
> > +          regulator description for pavdd and navdd.
> > +
> > +    additionalProperties: false
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - regulators
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    i2c {
> > +      #address-cells = <1>;
> > +      #size-cells = <0>;
> > +
> > +      rtq6752@6b {
> > +        compatible = "richtek,rtq6752";
> > +        status = "okay";
> Don't show status in examples.
>
Okay.

I'll use one patch to update the above comment.
Thanks.
> >
> > +        reg = <0x6b>;
> > +        enable-gpios = <&gpio26 2 0>;
> > +
> > +        regulators {
> > +          pavdd {
> > +            regulator-name = "rtq6752-pavdd";
> > +            regulator-min-microvolt = <5000000>;
> > +            regulator-max-microvolt = <7300000>;
> > +            regulator-boot-on;
> > +          };
> > +          navdd {
> > +            regulator-name = "rtq6752-navdd";
> > +            regulator-min-microvolt = <5000000>;
> > +            regulator-max-microvolt = <7300000>;
> > +            regulator-boot-on;
> > +          };
> > +        };
> > +      };
> > +    };
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