Documentation/devicetree/bindings/leds/common.yaml | 10 ++++++++++ .../devicetree/bindings/leds/leds-pwm-multicolor.yaml | 4 ++++ 2 files changed, 14 insertions(+)
Document the default-intensity property to set a default color on
multicolor LEDs.
Update pwm-multicolor to support it and update the example to turn the
LED red on boot.
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
---
Changes in v3:
- make default-intensity property description more generic and less
redundant (Thanks, Conor)
- Drop applied patch that introduces the property (Thanks, Lee)
- Link to v2: https://patch.msgid.link/20260605-multicolor-default-v2-0-ed07271df6b0@pengutronix.de
Changes in v2:
- dt-bindings: Use correct property name in example
- dt-bindings: Add missing word in property description
- Link to v1: https://patch.msgid.link/20260604-multicolor-default-v1-0-b07bff431537@pengutronix.de
---
Documentation/devicetree/bindings/leds/common.yaml | 10 ++++++++++
.../devicetree/bindings/leds/leds-pwm-multicolor.yaml | 4 ++++
2 files changed, 14 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
index f4e44b33f56d..f2f479b565a9 100644
--- a/Documentation/devicetree/bindings/leds/common.yaml
+++ b/Documentation/devicetree/bindings/leds/common.yaml
@@ -73,6 +73,16 @@ properties:
- keep
default: off
+ default-intensity:
+ description:
+ The initial intensity of the LED color component. As the intensity of
+ each sub-LED is multiplied with the overall brightness, without this
+ property on a sub-LED, it may effectively be initialized at minimum
+ brightness regardless of its linux,default-trigger and default-brightness
+ properties.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 0
+
linux,default-trigger:
description:
This parameter, if present, is a string defining the trigger assigned to
diff --git a/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml
index a31a202afe5c..7bf687c89411 100644
--- a/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml
+++ b/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml
@@ -45,6 +45,8 @@ properties:
color: true
+ default-intensity: true
+
required:
- pwms
- color
@@ -63,12 +65,14 @@ examples:
multi-led {
color = <LED_COLOR_ID_RGB>;
+ linux,default-trigger = "default-on";
function = LED_FUNCTION_INDICATOR;
max-brightness = <65535>;
led-red {
pwms = <&pwm1 0 1000000>;
color = <LED_COLOR_ID_RED>;
+ default-intensity = <65535>;
};
led-green {
---
base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
change-id: 20260604-multicolor-default-11e3becde05a
Best regards,
--
Jonas Rebmann <jre@pengutronix.de>
--
Jonas Rebmann <jre@pengutronix.de>
On Mon, 13 Jul 2026 10:50:28 +0200, Jonas Rebmann wrote:
> Document the default-intensity property to set a default color on
> multicolor LEDs.
>
> Update pwm-multicolor to support it and update the example to turn the
> LED red on boot.
>
>
> [...]
Applied, thanks!
[1/1] dt-bindings: leds: Add default-intensity property
commit: 2ebd1cb772b00d1223895718155a03af4c56f396
--
Lee Jones [李琼斯]
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