linux-kernel - [PATCH 2/6] arm64: dts: imx8mq-librem5: Set vibrator's PWM frequency to 20kHz

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Message-Id: <20260105-l5-dtb-fixes-v1-2-f491881a7fe7@puri.sm>
Date: Mon, 05 Jan 2026 21:39:39 +0100
From: Sebastian Krzyszkowiak via B4 Relay <devnull+sebastian.krzyszkowiak.puri.sm@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 kernel@...i.sm, Sebastian Krzyszkowiak <sebastian.krzyszkowiak@...i.sm>
Subject: [PATCH 2/6] arm64: dts: imx8mq-librem5: Set vibrator's PWM
 frequency to 20kHz

From: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@...i.sm>

1Hz as used previously was way too long.

Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@...i.sm>
---
 arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index ce039bd701c2..b92b5f7b2bd7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -287,7 +287,7 @@ bm818_codec: sound-wwan-codec {
 
 	vibrator {
 		compatible = "pwm-vibrator";
-		pwms = <&pwm1 0 1000000000 0>;
+		pwms = <&pwm1 0 50000 0>;
 		pwm-names = "enable";
 		vcc-supply = <&reg_vdd_3v3>;
 	};

-- 
2.52.0