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Message-ID: <20241109134415.2f31c449@jic23-huawei>
Date: Sat, 9 Nov 2024 13:44:15 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Eason Yang <j2anfernee@...il.com>
Cc: avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
lars@...afoo.de, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
nuno.sa@...log.com, dlechner@...libre.com, javier.carrasco.cruz@...il.com,
andy@...nel.org, marcelo.schmitt@...log.com, olivier.moysan@...s.st.com,
mitrutzceclan@...il.com, matteomartelli3@...il.com, alisadariana@...il.com,
joao.goncalves@...adex.com, marius.cristea@...rochip.com,
mike.looijmans@...ic.nl, chanh@...amperecomputing.com, KWLIU@...oton.com,
yhyang2@...oton.com, openbmc@...ts.ozlabs.org, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: iio: adc: Add binding for Nuvoton
NCT720x ADCs
On Wed, 6 Nov 2024 10:39:15 +0800
Eason Yang <j2anfernee@...il.com> wrote:
> This adds a binding specification for the Nuvoton NCT7201/NCT7202
> family of ADCs.
>
> Signed-off-by: Eason Yang <j2anfernee@...il.com>
Hi Eason,
> ---
> .../bindings/iio/adc/nuvoton,nct720x.yaml | 47 +++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 48 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
> new file mode 100644
> index 000000000000..3052039af10e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
Already raised in another review I think, but pick a part number and name after that. Wild
card get broken far too often for them to be usable like this.
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/nuvoton,nct720x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton nct7202 and similar ADCs
> +
> +maintainers:
> + - Eason Yang <yhyang2@...oton.com>
> +
> +description: |
> + Family of ADCs with i2c interface.
> +
> +properties:
> + compatible:
> + enum:
> + - nuvoton,nct7201
> + - nuvoton,nct7202
> +
> + reg:
> + maxItems: 1
> +
> + read-vin-data-size:
> + description: number of data bits per read vin
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [8, 16]
> +
> +required:
> + - compatible
> + - reg
> + - read-vin-data-size
If you do keep this, then pick a sensible default (16)
and drop the required.
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + nct7202@1d {
> + compatible = "nuvoton,nct7202";
> + reg = <0x1d>;
> + read-vin-data-size = <8>;
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 91d0609db61b..68570c58e7aa 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2746,6 +2746,7 @@ L: openbmc@...ts.ozlabs.org (moderated for non-subscribers)
> S: Supported
> F: Documentation/devicetree/bindings/*/*/*npcm*
> F: Documentation/devicetree/bindings/*/*npcm*
> +F: Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml
> F: Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml
> F: arch/arm/boot/dts/nuvoton/nuvoton-npcm*
> F: arch/arm/mach-npcm/
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