Re: [PATCH V1 1/1] regulator: Add awinic,aw3750x.yaml

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On 05/07/2023 10:19, like@xxxxxxxxxx wrote:
> From: Ke Li <like@xxxxxxxxxx>

Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching.

Missing commit msg.

> 
> Signed-off-by: Ke Li <like@xxxxxxxxxx>
> ---
>  .../bindings/regulator/awinic,aw3750x.yaml    | 151 ++++++++++++++++++
>  1 file changed, 151 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/awinic,aw3750x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/awinic,aw3750x.yaml b/Documentation/devicetree/bindings/regulator/awinic,aw3750x.yaml
> new file mode 100644
> index 000000000000..cdb3d9dbf88f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/awinic,aw3750x.yaml
> @@ -0,0 +1,151 @@
> +# SPDX-License-Identifier: GPL-2.0-only

Dual license.

Please run scripts/checkpatch.pl and fix reported warnings. Some
warnings can be ignored, but the code here looks like it needs a fix.
Feel free to get in touch if the warning is not clear.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/awinic,aw3750x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Awinic AW3750X Power Management IC
> +
> +maintainers:
> +  - Weidong Wang <wangweidong.a@xxxxxxxxxx>
> +  - Ke Li <like@xxxxxxxxxx>
> +
> +description: |
> +  AW3750X is designed to generate both positive and negative bias voltages for.
> +  TFT-LCD panels or other general dual-supply applications. It consists a highly
> +  integrated synchronous boost converter with input voltage from 2.7V to 5.5V.
> +
> +properties:
> +  compatible:
> +    const: awinic,aw3750x_led

I don't understand why there is _led suffix. Isn't this regulator? Can
it be anything else?

Also, x looks like a wildcard, which is not allowed in compatibles.

> +
> +  enp:
> +    type: object
> +    $ref: regulator.yaml#
> +    description:
> +      Properties for single LDO regulator.
> +
> +    properties:
> +      regulator-name: true

Drop

> +
> +    required:
> +      - regulator-name

Is it really required?

> +
> +    unevaluatedProperties: false
> +
> +  enn:
> +    type: object
> +    $ref: regulator.yaml#
> +    description:
> +      Properties for single BOOST regulator.
> +
> +    properties:
> +      regulator-name: true
> +
> +    required:
> +      - regulator-name
> +
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - enp
> +  - enn
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/pinctrl/mt8186-pinfunc.h>
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    pio: pinctrl@10005000 {
> +      aw_enn_default: aw_enn_default {
> +        pins_cmd_dat {
> +          pinmux = <PINMUX_GPIO7__FUNC_GPIO7>;
> +          slew-rate = <1>;
> +          output-low;
> +        };
> +      };
> +
> +      aw_enn_output_high: aw_enn_output_high {
> +        pins_cmd_dat {
> +          pinmux = <PINMUX_GPIO7__FUNC_GPIO7>;
> +          slew-rate = <1>;
> +          output-high;
> +        };
> +      };
> +
> +      aw_enn_output_low: aw_enn_output_low {
> +        pins_cmd_dat {
> +          pinmux = <PINMUX_GPIO7__FUNC_GPIO7>;
> +          slew-rate = <1>;
> +          output-low;
> +        };
> +      };
> +
> +      aw_enp_default: aw_enp_default {
> +        pins_cmd_dat {
> +          pinmux = <PINMUX_GPIO1__FUNC_GPIO1>;
> +          slew-rate = <1>;
> +          output-low;
> +        };
> +      };

All this is incorrect and unrelated. Drop it.

> +
> +      aw_enp_output_high: aw_enp_output_high {
> +        pins_cmd_dat {
> +          pinmux = <PINMUX_GPIO1__FUNC_GPIO1>;
> +          slew-rate = <1>;
> +          output-high;
> +        };
> +      };
> +
> +      aw_enp_output_low: aw_enp_output_low {
> +        pins_cmd_dat {
> +          pinmux = <PINMUX_GPIO1__FUNC_GPIO1>;
> +          slew-rate = <1>;
> +          output-low;
> +        };
> +      };
> +
> +    };
> +
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        aw3750x@3e {

Node names should be generic. See also explanation and list of examples
in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


> +            compatible = "awinic,aw3750x_led";
> +            aw3750x_gpio_ctrl = <0>;
> +            reg = <0x3e>;
> +            outp = <0x0E>;
> +            outn = <0x0E>;
> +            enn-gpio = <&pio 7 0>;
> +            enp-gpio = <&pio 1 0>;

It does not look like you tested the bindings, at least after quick
look. Please run `make dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).
Maybe you need to update your dtschema and yamllint.

> +            pinctrl-names = "aw_enn_default", "aw_enn_output_high",
> +                            "aw_enn_output_low", "aw_enp_default",
> +                            "aw_enp_output_high", "aw_enp_output_low";
> +            pinctrl-0 = <&aw_enn_default>;
> +            pinctrl-1 = <&aw_enn_output_high>;
> +            pinctrl-2 = <&aw_enn_output_low>;
> +            pinctrl-3 = <&aw_enp_default>;
> +            pinctrl-4 = <&aw_enp_output_high>;
> +            pinctrl-5 = <&aw_enp_output_low>;
> +
> +            aw_lcdb_outp_vreg: enp {
> +              label = "outp";

Really?


Best regards,
Krzysztof




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