Re: [PATCH v4 1/7] dt-bindings: hwmon: Add nuvoton,nct6775

Krzysztof Kozlowski
2022-04-27T06:04:37Z

On 27/04/2022 03:01, Zev Weiss wrote:
> These Super I/O chips have an i2c interface that some systems expose
> to a BMC; the BMC's device tree can now describe that via this
> binding.
>
> Signed-off-by: Zev Weiss <zev@bewilderbeest.net>

I already reviewed it so I guess you did not include the tag because of
significant changes?

> ---
> .../bindings/hwmon/nuvoton,nct6775.yaml | 56 +++++++++++++++++++
> 1 file changed, 56 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml b/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml
> new file mode 100644
> index 000000000000..418477374fdb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct6775.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +
> +$id: http://devicetree.org/schemas/hwmon/nuvoton,nct6775.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton NCT6775 and compatible Super I/O chips
> +
> +maintainers:
> + - Zev Weiss <zev@bewilderbeest.net>
> +
> +properties:
> + compatible:
> + enum:
> + - nuvoton,nct6106
> + - nuvoton,nct6116
> + - nuvoton,nct6775
> + - nuvoton,nct6776
> + - nuvoton,nct6779
> + - nuvoton,nct6791
> + - nuvoton,nct6792
> + - nuvoton,nct6793
> + - nuvoton,nct6795
> + - nuvoton,nct6796
> + - nuvoton,nct6797
> + - nuvoton,nct6798
> +
> + reg:
> + maxItems: 1
> +
> + nuvoton,tsi-channel-mask:
> + description:
> + Bitmask indicating which TSI temperature sensor channels are
> + active. LSB is TSI0, bit 1 is TSI1, etc.

Need a type/ref.

> + maximum: 0xff
> + default: 0

Since by default it is disabled, doesn't it make a required property?
IOW, if you add a node without this mask, will the device operate
properly and usefully?

Best regards,
Krzysztof