linux-kernel - Re: [PATCH 2/2] pwm: pwm-gpio: Add DT bindings

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Message-ID: <20201209072949.2ovbtwv64bitosve@pengutronix.de>
Date:   Wed, 9 Dec 2020 08:29:49 +0100
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Nicola Di Lieto <nicola.dilieto@...il.com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Thierry Reding <thierry.reding@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH 2/2] pwm: pwm-gpio: Add DT bindings

On Sat, Dec 05, 2020 at 10:46:16PM +0100, Nicola Di Lieto wrote:
> Added Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
> 
> Signed-off-by: Nicola Di Lieto <nicola.dilieto@...il.com>
> ---
> .../devicetree/bindings/pwm/pwm-gpio.yaml          | 42 ++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml b/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
> new file mode 100644
> index 000000000000..2e021ac6ff4a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/pwm-gpio.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/pwm-gpio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Generic software PWM for modulating GPIOs
> +
> +maintainers:
> +  - Nicola Di Lieto <nicola.dilieto@...il.com>
> +
> +properties:
> +  "#pwm-cells":
> +    description: |
> +      It must be 2. See pwm.yaml in this directory for a
> +      description of the cells format.

I think nowadays we prefer 3 here.

> +    const: 2
> +
> +  compatible:
> +    const: pwm-gpio
> +
> +  gpios:
> +    description:
> +      GPIO to be modulated
> +    maxItems: 1
> +

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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