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Date: Wed, 29 May 2024 21:29:10 +0100
From: Conor Dooley <conor@kernel.org>
To: Farouk Bouabid <farouk.bouabid@cherry.de>
Cc: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= <ukleinek@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Quentin Schulz <quentin.schulz@cherry.de>,
	Heiko Stuebner <heiko@sntech.de>, linux-pwm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org
Subject: Re: [PATCH 1/6] dt-bindings: pwm: add dt-bindings for mule
 pwm-over-i2c controller
Message-ID: <20240529-capably-overgrown-755bb11ece69@spud>
References: <20240529-buzzer_support-v1-0-fd3eb0a24442@cherry.de>
 <20240529-buzzer_support-v1-1-fd3eb0a24442@cherry.de>
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On Wed, May 29, 2024 at 12:10:30PM +0200, Farouk Bouabid wrote:
> Mule is a device that controls a PWM output signal based on I2C commands.
>=20
> Signed-off-by: Farouk Bouabid <farouk.bouabid@cherry.de>
> ---
>  .../devicetree/bindings/pwm/tsd,pwm-mule.yaml      | 46 ++++++++++++++++=
++++++
>  1 file changed, 46 insertions(+)
>=20
> diff --git a/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml b/Do=
cumentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml
> new file mode 100644
> index 000000000000..71a940a2a644
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/tsd,pwm-mule.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/tsd,pwm-mule.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mule PWM-over-I2C controller
> +
> +description: |

This | is not needed.

> +  A device that outputs a PWM signal based on I2C commands.
> +
> +maintainers:
> +  - Farouk Bouabid <farouk.bouabid@cherry.de>
> +  - Quentin Schulz <quentin.schulz@cherry.de>
> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    const: tsd,pwm-mule
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#pwm-cells":
> +    const: 2

No clocks or supplies?
I tried to google for some documentation for this device, but only found
archives of this mail thread..

Thanks,
Conor.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +      #address-cells =3D <1>;
> +      #size-cells =3D <0>;
> +
> +      pwm@18 {
> +        compatible =3D "tsd,pwm-mule";
> +        reg =3D <0x18>;
> +        #pwm-cells =3D <2>;
> +      };
> +    };
>=20
> --=20
> 2.34.1
>=20

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