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[PATCH] DT: leds: Improve examples by adding some context

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  [PATCH] DT: leds: Improve examples by adding some context Rafał Miłecki <zajec5@gmail.com> - 2016-12-06 09:40 +0100
    Re: [PATCH] DT: leds: Improve examples by adding some context Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-12-06 12:40 +0100

#1536767 — [PATCH] DT: leds: Improve examples by adding some context

From: Rafał Miłecki <rafal@milecki.pl>

During my work on some new LED trigger I tried adding example similar to
the existing ones which received following comment from Rob:
> It's not really clear in the example this is an LED node as it is
> incomplete.

Keeping that in mind I suggest adding context for the existing example
entries in hope to make documentation more clear.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
Should this patch go through linux-leds tree?

Richard, Jacek: would you take it?
---
 Documentation/devicetree/bindings/leds/common.txt | 28 +++++++++++++++--------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
index 696be57..24b6560 100644
--- a/Documentation/devicetree/bindings/leds/common.txt
+++ b/Documentation/devicetree/bindings/leds/common.txt
@@ -61,16 +61,24 @@ property can be omitted.
 
 Examples:
 
-system-status {
-	label = "Status";
-	linux,default-trigger = "heartbeat";
-	...
+gpio-leds {
+	compatible = "gpio-leds";
+
+	system-status {
+		label = "Status";
+		linux,default-trigger = "heartbeat";
+		gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+	};
 };
 
-camera-flash {
-	label = "Flash";
-	led-sources = <0>, <1>;
-	led-max-microamp = <50000>;
-	flash-max-microamp = <320000>;
-	flash-max-timeout-us = <500000>;
+max77693-led {
+	compatible = "maxim,max77693-led";
+
+	camera-flash {
+		label = "Flash";
+		led-sources = <0>, <1>;
+		led-max-microamp = <50000>;
+		flash-max-microamp = <320000>;
+		flash-max-timeout-us = <500000>;
+	};
 };
-- 
2.10.1

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#1536885

Hi Rafał,

Thanks for the patch.

On 12/06/2016 09:32 AM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
>
> During my work on some new LED trigger I tried adding example similar to
> the existing ones which received following comment from Rob:
>> It's not really clear in the example this is an LED node as it is
>> incomplete.
>
> Keeping that in mind I suggest adding context for the existing example
> entries in hope to make documentation more clear.
>
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
> ---
> Should this patch go through linux-leds tree?
>
> Richard, Jacek: would you take it?
> ---
>  Documentation/devicetree/bindings/leds/common.txt | 28 +++++++++++++++--------
>  1 file changed, 18 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index 696be57..24b6560 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -61,16 +61,24 @@ property can be omitted.
>
>  Examples:
>
> -system-status {
> -	label = "Status";
> -	linux,default-trigger = "heartbeat";
> -	...
> +gpio-leds {
> +	compatible = "gpio-leds";
> +
> +	system-status {
> +		label = "Status";
> +		linux,default-trigger = "heartbeat";
> +		gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
> +	};
>  };
>
> -camera-flash {
> -	label = "Flash";
> -	led-sources = <0>, <1>;
> -	led-max-microamp = <50000>;
> -	flash-max-microamp = <320000>;
> -	flash-max-timeout-us = <500000>;
> +max77693-led {
> +	compatible = "maxim,max77693-led";
> +
> +	camera-flash {
> +		label = "Flash";
> +		led-sources = <0>, <1>;
> +		led-max-microamp = <50000>;
> +		flash-max-microamp = <320000>;
> +		flash-max-timeout-us = <500000>;
> +	};
>  };
>

Although this file documents a sub-node properties it will be indeed
useful to have the parent node in the example as well.

Applied to the for-4.11 branch of linux-leds.git.

-- 
Best regards,
Jacek Anaszewski

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