[PATCH v4 2/3] dt-bindings: leds: issi,is31fl3236: add issi,22kHz-pwm property
From: Pawel Zalewski <hidden>
Date: 2025-07-17 15:02:18
Also in:
linux-leds, lkml
Subsystem:
led subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Pavel Machek, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add an additional and optional control property for setting the output PWM frequency to 22kHz. The default is 3kHz and this option puts the operational frequency outside of the audible range. Signed-off-by: Pawel Zalewski <redacted> --- Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml b/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml
index abcd4c448e94db1d1e339f7ee165c3e04a1d354d..e75809e343b110eed0fd5f87065d8e94a97835fa 100644
--- a/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml
+++ b/Documentation/devicetree/bindings/leds/issi,is31fl3236.yaml@@ -42,6 +42,12 @@ properties: "#size-cells": const: 0 + issi,22kHz-pwm: + type: boolean + description: + When present, the chip's PWM will operate at ~22kHz as opposed + to ~3kHz to move the operating frequency out of the audible range. + patternProperties: "^led@[1-9a-f][0-9a-f]$": type: object
--
2.48.1