diff mbox series

[v4,1/2] dt-bindings: backlight: lm3630a: add enable_gpios

Message ID 20190912213257.24147-2-andreas@kemnade.info (mailing list archive)
State New, archived
Headers show
Series backlight_lm3630a: add enable_gpios property | expand

Commit Message

Andreas Kemnade Sept. 12, 2019, 9:32 p.m. UTC
add enable-gpios to describe HWEN pin

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
---
changes in v2: added example
changes in v3: added Acked-by
changes in v4: moved enable-gpios to the right position
  in the example
 .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Dan Murphy Sept. 13, 2019, 2:06 p.m. UTC | #1
Andreas

On 9/12/19 4:32 PM, Andreas Kemnade wrote:
> add enable-gpios to describe HWEN pin
>
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> Acked-by: Daniel Thompson <daniel.thompson@linaro.org>

Reviewed-by: Dan Murphy <dmurphy@ti.com>


> ---
> changes in v2: added example
> changes in v3: added Acked-by
> changes in v4: moved enable-gpios to the right position
>    in the example
>   .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> index dc129d9a329e..c8470628fe02 100644
> --- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> +++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> @@ -29,6 +29,10 @@ properties:
>     '#size-cells':
>       const: 0
>   
> +  enable-gpios:
> +    description: GPIO to use to enable/disable the backlight (HWEN pin).
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - reg
> @@ -96,6 +100,7 @@ examples:
>           led-controller@38 {
>                   compatible = "ti,lm3630a";
>                   reg = <0x38>;
> +                enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
>   
>                   #address-cells = <1>;
>                   #size-cells = <0>;
Rob Herring Sept. 17, 2019, 6:14 p.m. UTC | #2
On Thu, 12 Sep 2019 23:32:56 +0200, Andreas Kemnade wrote:
> add enable-gpios to describe HWEN pin
> 
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
> ---
> changes in v2: added example
> changes in v3: added Acked-by
> changes in v4: moved enable-gpios to the right position
>   in the example
>  .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
Lee Jones Oct. 3, 2019, 11:42 a.m. UTC | #3
On Thu, 12 Sep 2019, Andreas Kemnade wrote:

> Provide DT documentation for enable-gpios.
> 
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Reviewed-by: Dan Murphy <dmurphy@ti.com>
> ---
> changes in v2: added example
> changes in v3: added Acked-by
> changes in v4: moved enable-gpios to the right position
>   in the example
>  .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
>  1 file changed, 5 insertions(+)

Applied, thanks.
Rob Herring Oct. 28, 2019, 11:25 p.m. UTC | #4
On Thu, Sep 12, 2019 at 4:33 PM Andreas Kemnade <andreas@kemnade.info> wrote:
>
> add enable-gpios to describe HWEN pin
>
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> Acked-by: Daniel Thompson <daniel.thompson@linaro.org>

This breaking linux-next now...

> ---
> changes in v2: added example
> changes in v3: added Acked-by
> changes in v4: moved enable-gpios to the right position
>   in the example
>  .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> index dc129d9a329e..c8470628fe02 100644
> --- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> +++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> @@ -29,6 +29,10 @@ properties:
>    '#size-cells':
>      const: 0
>
> +  enable-gpios:
> +    description: GPIO to use to enable/disable the backlight (HWEN pin).
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -96,6 +100,7 @@ examples:
>          led-controller@38 {
>                  compatible = "ti,lm3630a";
>                  reg = <0x38>;
> +                enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;

Error: Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.example.dts:24.46-47
syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.example.dt.yaml]
Error 1
scripts/Makefile.lib:314: recipe for target
'Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.example.dt.yaml'
failed

You need the include for the define.

Rob
Andreas Kemnade Oct. 29, 2019, 12:16 p.m. UTC | #5
Hi,

On Mon, 28 Oct 2019 18:25:56 -0500
Rob Herring <robh+dt@kernel.org> wrote:

> On Thu, Sep 12, 2019 at 4:33 PM Andreas Kemnade <andreas@kemnade.info> wrote:
> >
> > add enable-gpios to describe HWEN pin
> >
> > Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> > Acked-by: Daniel Thompson <daniel.thompson@linaro.org>  
> 
> This breaking linux-next now...
> 
oops, sorry. 

> > ---
> > changes in v2: added example
> > changes in v3: added Acked-by
> > changes in v4: moved enable-gpios to the right position
> >   in the example
> >  .../bindings/leds/backlight/lm3630a-backlight.yaml           | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> > index dc129d9a329e..c8470628fe02 100644
> > --- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> > +++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
> > @@ -29,6 +29,10 @@ properties:
> >    '#size-cells':
> >      const: 0
> >
> > +  enable-gpios:
> > +    description: GPIO to use to enable/disable the backlight (HWEN pin).
> > +    maxItems: 1
> > +
> >  required:
> >    - compatible
> >    - reg
> > @@ -96,6 +100,7 @@ examples:
> >          led-controller@38 {
> >                  compatible = "ti,lm3630a";
> >                  reg = <0x38>;
> > +                enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;  
> 
> Error: Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.example.dts:24.46-47
> syntax error
> FATAL ERROR: Unable to parse input tree
> make[1]: *** [Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.example.dt.yaml]
> Error 1
> scripts/Makefile.lib:314: recipe for target
> 'Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.example.dt.yaml'
> failed
> 
> You need the include for the define.

gpio/gpio.h is missing.
Yes, was not aware of that these things will be compiled and the automatic
check did not work on my system at all. So I decided not to fix that for just
this simple thing which was a not so good idea.
Will send a fixup.

Regards,
Andreas
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
index dc129d9a329e..c8470628fe02 100644
--- a/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/lm3630a-backlight.yaml
@@ -29,6 +29,10 @@  properties:
   '#size-cells':
     const: 0
 
+  enable-gpios:
+    description: GPIO to use to enable/disable the backlight (HWEN pin).
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -96,6 +100,7 @@  examples:
         led-controller@38 {
                 compatible = "ti,lm3630a";
                 reg = <0x38>;
+                enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
 
                 #address-cells = <1>;
                 #size-cells = <0>;