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Mon, 11 Aug 2025 08:07:02 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 11 Aug 2025 17:06:50 +0200 Subject: [PATCH RESEND 3/3] arm64: dts: qcom: sdm845-samsung-starqltechn: 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-v1-3-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 , Konrad Dybcio X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1248; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=6wc+M2Tic42xKT7JSdCDpm9lQ5MO1L7g7K2EIBEDGpc=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBomgcOK+MnI5vyPYOBq5tG/nekBDWPVQIiZ98kP myoiQD3QQOJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaJoHDgAKCRARpy6gFHHX ctHEEADA6N4wnWwVaaUUYAIXtqlRIzTgcCv39CoSkVBuPwLys+SiZsORtY1Y9VrQRVPmM54SVUz BSNdBoH3T8pz2yCSQFISICp8s32k1jcK53KFPLw2ShkaJv1V7+JmnoD/Hvvjqg+1+C2r+xMVSs3 NDF1HSw9p3IFXBeZRPXqI5O5TQeBNBAqzTBy9NhTfQeuYOT8GyqXY8b1nz6X8hhTF3zlXrSWI8l xh/6R8jdyKdt598UL1Akgwmz39iTx3vW6vK3OfgFMYHUHJwqX6ZZJPRkkaEl9UKiH3ZJAVffCy5 sS2LHCv42qqyEr2hnGu//sbq0g1OBXO1+JGGBx+YsvXWt1bLaJ9of/Ftdw4xBJD1l3r2Faui6Lc 3Xqv8OMDZHh68VbK2XiTeDMkTIaX2Dj2Qnm1YY9Q6jyHbD1TX4+fT3ULhWCSVjc2yiGSeW3hcDp wUdZS+TGpwzbUYAmSU9cQrJnhiwTQrqjskU+0miD6s6Bobc6hnTbIzxntDMF2Ch0o9UDCGG8cem 85OkCMj931eJq638gazfUAclilRRCgeGV6xfQUNFosgGQYvHd5PHpfSEdycK55U4SEIslE5XUSc 3PxA8iuXyyRi+sQr9/QkpjOu1c6SNJ6e67rSsZvbXU+Icua2n1NEXAj7QS5iL23YkrPPcyBSRDv dPRo2TkgmPqe2pw== 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. Reviewed-by: Konrad Dybcio Signed-off-by: Bartosz Golaszewski --- arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts index d686531bf4eacae2105bbed3a9d5478b45a4b2a3..9076d8eb4d50af736d5c4de7158fbf32231f6629 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts @@ -145,8 +145,8 @@ rmtfs_mem: rmtfs-mem@fde00000 { i2c21 { compatible = "i2c-gpio"; - sda-gpios = <&tlmm 127 GPIO_ACTIVE_HIGH>; - scl-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>; + sda-gpios = <&tlmm 127 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + scl-gpios = <&tlmm 128 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; i2c-gpio,delay-us = <2>; pinctrl-0 = <&i2c21_sda_state &i2c21_scl_state>; pinctrl-names = "default"; -- 2.48.1