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Subject: Re: [PATCH 2/4] devicetree: Update led binding
To:     Jean-Jacques Hiblot <jjhiblot@ti.com>,
        <jacek.anaszewski@gmail.com>, <pavel@ucw.cz>, <robh+dt@kernel.org>,
        <mark.rutland@arm.com>, <lee.jones@linaro.org>,
        <daniel.thompson@linaro.org>, <jingoohan1@gmail.com>
CC:     <linux-leds@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <dri-devel@lists.freedesktop.org>, <tomi.valkeinen@ti.com>,
        <devicetree@vger.kernel.org>
References: <20190701151423.30768-1-jjhiblot@ti.com>
 <20190701151423.30768-3-jjhiblot@ti.com>
From:   Dan Murphy <dmurphy@ti.com>
Message-ID: <837afe49-18f3-722e-aa63-7d47d3a8bea0@ti.com>
Date:   Mon, 1 Jul 2019 10:20:57 -0500
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JJ

On 7/1/19 10:14 AM, Jean-Jacques Hiblot wrote:
> Update the led binding to describe the possibility to add a "compatible"
> option to create a child-device, user of the LED.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
> Cc: devicetree@vger.kernel.org
> ---
>   Documentation/devicetree/bindings/leds/common.txt | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index 70876ac11367..2f7882528d97 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -11,6 +11,9 @@ have to be tightly coupled with the LED device binding. They are represented
>   by child nodes of the parent LED device binding.
>   
>   Optional properties for child nodes:
> +- compatible : driver name for a child-device. This child-device is the user
> +               of the LED. It is created when the LED is registered and
> +	       destroyed when the LED is unregistered.

Can you update the example to show usage?

Dan


>   - led-sources : List of device current outputs the LED is connected to. The
>   		outputs are identified by the numbers that must be defined
>   		in the LED device binding documentation.