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Mon, 11 Aug 2025 08:06:57 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 11 Aug 2025 17:06:48 +0200 Subject: [PATCH RESEND 1/3] arm64: dts: qcom: qrb2210-rb1: fix GPIO lookup flags for i2c SDA and SCL Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250811-qcom-gpio-lookup-open-drain-v1-1-b5496f80e047@linaro.org> References: <20250811-qcom-gpio-lookup-open-drain-v1-0-b5496f80e047@linaro.org> In-Reply-To: <20250811-qcom-gpio-lookup-open-drain-v1-0-b5496f80e047@linaro.org> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Alexey Klimov , Konrad Dybcio X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1371; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=TMD6A256PGlZL2cGXyLS2Wh/cdu83URj71C5IQiDtPI=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBomgcO4YgjPDJ47wzCZZhdZl4XEBlevsW4myYIS TusbY6YNfeJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaJoHDgAKCRARpy6gFHHX csujEADNmkYAfUEumm4DG2TePnFbmkN8bmN1HgR9q0FqnY1yvsRKmMZEksOB3t+RMBd9kCWGl4V 7oYhFEryrw0TkrR+Eqlfe5qCvJZd15tJFeaCYYAvolFiJxt1hiKJ8GWk+uCXMVqTQYlB/wZHwB1 eDrPMtM6hFpJ4lvovw7ile6eUFL3uv3umj4uqEFx0afFj9QhrO0/cyZuXjnodWMhwdElpE441Sq gp9fkkr4faC6tDGOTLDpIbkWRKkq1+ON4IdyXP+Cqp0kLaEe26m6sHnZTstqI1NZfps8sepy7Lr hn/AiDjoZm0YSNfYm02fKRhfrXmHcdkcwx651SXD0FAHL7y0VZ4r29IygWVaAMvORpwjX0OHOwH AQnpUpASc1kG7muzoNaAW54PpwQn5r87ruoyAZM5QONnIqnUWAi/QxPmfn5YgRSWfjWcVL6jqq2 iFLcc20XUjOy39It/SzICoTrUyvzowwDPYNI7JvnbVFqyQbxHXNW17lu2xLHJ0maQyQ67kS3ox+ bcLzHAaQZFw0weae4U9jKoL6iWUkykrDW9dJChHuy0nZ9m9X7tBGDw/5o8lqiS1qXwsSrx1E67f WZfdrGODYGe5E0dp/L/u1IG15P/8Gl23bnmv8oQz1hCQ3NCN4UMS7JJUwuFnFXBbfF6y3dexp2N Y3PlaSwZwi1NQWQ== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski The I2C GPIO bus driver enforces the SDA and SCL pins as open-drain outputs but the lookup flags in the DTS don't reflect that triggering warnings from GPIO core. Add the appropriate flags. Tested-by: Alexey Klimov Reported-by: Alexey Klimov Reviewed-by: Konrad Dybcio Signed-off-by: Bartosz Golaszewski --- arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts index b2e0fc5501c1eefc7e037b2efd939126b483b226..277b33100ac07cb1e8477e9e51331f974b65092b 100644 --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts @@ -5,6 +5,7 @@ /dts-v1/; +#include #include #include "qcm2290.dtsi" #include "pm4125.dtsi" @@ -63,8 +64,8 @@ hdmi_con: endpoint { i2c2_gpio: i2c { compatible = "i2c-gpio"; - sda-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>; - scl-gpios = <&tlmm 7 GPIO_ACTIVE_HIGH>; + sda-gpios = <&tlmm 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&tlmm 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; #address-cells = <1>; #size-cells = <0>; -- 2.48.1