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Thu, 15 Oct 2026 01:12:00 -0700 (PDT) Received: from Lord-Beerus.station ([93.66.71.207]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48de3f7f8b8sm16237534f8f.35.2026.10.15.01.11.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Oct 2026 01:11:59 -0700 (PDT) From: Stefano Radaelli X-Google-Original-From: Stefano Radaelli To: Frank Li , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: pierluigi.p@variscite.com, Stefano Radaelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Subject: [PATCH v1 1/1] arm64: dts: imx8mn-evk: Pass GPIO_OPEN_DRAIN flag on i2c3 GPIOs Date: Thu, 15 Oct 2026 10:11:49 +0200 Message-ID: <20261015081149.5919-1-stefano.r@variscite.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Stefano Radaelli scl-gpios and sda-gpios need GPIO_OPEN_DRAIN flag, otherwise the following run-time warning is seen: gpio-146 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file Signed-off-by: Stefano Radaelli --- arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi index 3e590afa4fab..036afa0f6990 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi @@ -287,8 +287,8 @@ &i2c3 { pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c3>; pinctrl-1 = <&pinctrl_i2c3_gpio>; - scl-gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>; - sda-gpios = <&gpio5 19 GPIO_ACTIVE_HIGH>; + scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; status = "okay"; pca6416: gpio@20 { -- 2.47.3