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Sat, 1 Aug 2026 00:35:31 +0000 (UTC) From: David Heidelberg via B4 Relay Date: Sat, 01 Aug 2026 02:35:23 +0200 Subject: [PATCH 4/4] arm64: dts: imx8mq-librem5: Dongwoon DW9714 coil requires higher voltage MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260801-pp-pro-camera-v1-4-7b4d90788f9f@ixit.cz> References: <20260801-pp-pro-camera-v1-0-7b4d90788f9f@ixit.cz> In-Reply-To: <20260801-pp-pro-camera-v1-0-7b4d90788f9f@ixit.cz> To: Sakari Ailus , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Ondrej Jirman , Olivier Benjamin , Manuel Traut , Alexander Warnecke , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Martin Kepplinger , Shawn Guo Cc: Krzysztof Kozlowski , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, phone-devel@vger.kernel.org, imx@lists.linux.dev, David Heidelberg , stable@vger.kernel.org X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=D77A09CFEEDC2BBD53A7047460023FC4D3492072 X-Endpoint-Received: by B4 Relay for david@ixit.cz/default with auth_id=355 X-Original-From: David Heidelberg X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: david@ixit.cz Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: David Heidelberg By datasheet the VDD (in-kernel named vcc) range is between 2.3 to 4.3 V. Usually it's around 2.8 V. Here it matches the reg_vcam_2v8. 1.8 V here is likely used for i2c level shifter. Fixes: f00df2bdb512 ("arm64: dts: imx8mq-librem5: describe the voice coil motor for focus control") Cc: stable@vger.kernel.org Signed-off-by: David Heidelberg --- 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 f5d529c5baf3e..583cba2d3bebf 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -1167,17 +1167,17 @@ &i2c4 { pinctrl-1 = <&pinctrl_i2c4_gpio>; scl-gpios = <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; sda-gpios = <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; vcm@c { compatible = "dongwoon,dw9714"; reg = <0x0c>; - vcc-supply = <®_csi_1v8>; + vcc-supply = <®_vcam_2v8>; }; bat: fuel-gauge@36 { compatible = "maxim,max17055"; reg = <0x36>; interrupt-parent = <&gpio3>; interrupts = <20 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; -- 2.53.0