2019-07-01 15:46:54

by Jean-Jacques Hiblot

Subject: [PATCH 2/4] devicetree: Update led binding

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 <[email protected]>
Cc: [email protected]
---
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.
- 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.
--
2.17.1

2019-07-01 16:01:41

by Dan Murphy

Subject: Re: [PATCH 2/4] devicetree: Update led binding

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 <[email protected]>
> Cc: [email protected]
> ---
> 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.