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[2/2] dt-bindigs: leds: is31fl32xx: add optional properties section

Message ID 20250619142233.653273-2-pzalewski@thegoodpenguin.co.uk
State New
Headers show
Series None | expand

Commit Message

Pawel Zalewski June 19, 2025, 1:19 p.m. UTC 
Add optional support for is31fl3236a PWM frequency switch.

Signed-off-by: Pawel Zalewski <pzalewski@thegoodpenguin.co.uk>
---
 Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt b/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt
index 926c2117942c..aa38a0638bad 100644
--- a/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt
+++ b/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt
@@ -7,6 +7,7 @@  Each LED is represented as a sub-node of the device.
 Required properties:
 - compatible: one of
 	issi,is31fl3236
+	issi,is31fl3236a
 	issi,is31fl3235
 	issi,is31fl3218
 	issi,is31fl3216
@@ -16,6 +17,11 @@  Required properties:
 - address-cells : must be 1
 - size-cells : must be 0
 
+Optional properties:
+- is31fl32xx,22kHz-pwm : When present, the chip's PWM will operate at
+	~22kHz as opposed to ~3kHz to move the operating frequency out of the
+	audible range.
+
 LED sub-node properties:
 - reg : LED channel number (1..N)
 - label :  (optional)