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Message-ID: <20221120151331.GA1791561@roeck-us.net>
Date: Sun, 20 Nov 2022 07:13:31 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Naresh Solanki <naresh.solanki@...ements.com>
Cc: devicetree@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
Patrick Rudolph <patrick.rudolph@...ements.com>
Subject: Re: [PATCH v6 1/3] dt-bindings: hwmon: fan: Add fan binding to schema
On Wed, Nov 16, 2022 at 10:36:13PM +0100, Naresh Solanki wrote:
> Add common fan properties bindings to a schema.
>
> Bindings for fan controllers can reference the common schema for the
> fan
>
> child nodes:
>
> patternProperties:
> "^fan@[0-2]":
> type: object
> $ref: fan-common.yaml#
>
> Signed-off-by: Naresh Solanki <Naresh.Solanki@...ements.com>
> ---
> .../devicetree/bindings/hwmon/fan-common.yaml | 42 +++++++++++++++++++
> 1 file changed, 42 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml
>
> diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
> new file mode 100644
> index 000000000000..1954882eed77
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/fan-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Common fan properties
> +
> +maintainers:
> + - Naresh Solanki <naresh.solanki@...ements.com>
> +
> +properties:
> + max-rpm:
> + description:
> + Max RPM supported by fan.
> + $ref: /schemas/types.yaml#/definitions/uint32
> +
> + pulses-per-revolution:
> + description:
> + The number of pulse from fan sensor per revolution.
> + $ref: /schemas/types.yaml#/definitions/uint32
> +
> + target-rpm:
> + description:
> + Target RPM the fan should be configured during driver probe.
> + $ref: /schemas/types.yaml#/definitions/uint32
> +
> + pwms:
> + description:
> + PWM provider.
> +
> + label:
> + description:
> + Optional fan label
> +
> + fan-supply:
> + description:
> + Power supply for fan.
> +
I still think that at least min-rpm should be added. It is just as common
as max-rpm.
Guenter
> +additionalProperties: true
> +
> +...
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