diff mbox series

[v3,18/19] dt-bindings: auxdisplay: ht16k33: Document LED subnode

Message ID 20210714151130.2531831-19-geert@linux-m68k.org
State Superseded
Headers show
Series auxdisplay: ht16k33: Add character display support | expand

Commit Message

Geert Uytterhoeven July 14, 2021, 3:11 p.m. UTC
Extend the Holtek HT16K33 LED controller Device Tree bindings with an
LED subnode, conforming to the standard LED bindings.

This allows the user to exert more control, like specifying LED color,
function, and/or trigger, to extend LED functionality beyond a simple
display backlight.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
v3:
  - New.
---
 .../bindings/auxdisplay/holtek,ht16k33.yaml           | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Rob Herring (Arm) July 16, 2021, 7:24 p.m. UTC | #1
On Wed, 14 Jul 2021 17:11:29 +0200, Geert Uytterhoeven wrote:
> Extend the Holtek HT16K33 LED controller Device Tree bindings with an
> LED subnode, conforming to the standard LED bindings.
> 
> This allows the user to exert more control, like specifying LED color,
> function, and/or trigger, to extend LED functionality beyond a simple
> display backlight.
> 
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
> v3:
>   - New.
> ---
>  .../bindings/auxdisplay/holtek,ht16k33.yaml           | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml b/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml
index 2a58f883a08cb199..c750c1a915bdbecb 100644
--- a/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml
+++ b/Documentation/devicetree/bindings/auxdisplay/holtek,ht16k33.yaml
@@ -50,6 +50,11 @@  properties:
     default: 16
     description: Initial brightness level
 
+  led:
+    type: object
+    $ref: /schemas/leds/common.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - reg
@@ -68,6 +73,7 @@  examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
     #include <dt-bindings/input/input.h>
+    #include <dt-bindings/leds/common.h>
     i2c1 {
             #address-cells = <1>;
             #size-cells = <0>;
@@ -89,5 +95,10 @@  examples:
                                    <MATRIX_KEY(4, 1, KEY_F9)>,
                                    <MATRIX_KEY(5, 1, KEY_F3)>,
                                    <MATRIX_KEY(6, 1, KEY_F1)>;
+
+                    led {
+                            color = <LED_COLOR_ID_RED>;
+                            function = LED_FUNCTION_BACKLIGHT;
+                    };
             };
       };