From: Fenglin Wu Date: Wed, 19 Nov 2025 06:06:42 +0000 (+0800) Subject: dt-bindings: leds: qcom-lpg: Explain standalone PWM usage X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5d390e7a02e850a995ee25248292d4be61314078;p=thirdparty%2Flinux.git dt-bindings: leds: qcom-lpg: Explain standalone PWM usage LPG channels can be used for only outputting PWM signals by routing to PMIC GPIOs without enabling TRILED. Explain this usage in the description for better clarity. Signed-off-by: Fenglin Wu Reviewed-by: Bjorn Andersson Link: https://patch.msgid.link/20251119-lpg_triled_fix-v3-1-84b6dbdc774a@oss.qualcomm.com Signed-off-by: Lee Jones --- diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml index 841a0229c472a..c4b7e57b25184 100644 --- a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -13,6 +13,11 @@ description: > The Qualcomm Light Pulse Generator consists of three different hardware blocks; a ramp generator with lookup table (LUT), the light pulse generator and a three channel current sink. These blocks are found in a wide range of Qualcomm PMICs. + The light pulse generator (LPG) can also be used independently to output PWM + signal for standard PWM applications. In this scenario, the LPG output should + be routed to a specific PMIC GPIO by setting the GPIO pin mux to the special + functions indicated in the datasheet, the TRILED driver for the channel will + not be enabled in this configuration. properties: compatible: