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Mon, 11 Aug 2025 08:07:00 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 11 Aug 2025 17:06:49 +0200 Subject: [PATCH RESEND 2/3] arm64: dts: qcom: qrb4210-rb2: 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-v1-2-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=1355; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=SCoXHXKdSwdMxFT2nQDPdrs2Yg24n21obueLXUFmnvQ=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBomgcO5Bz0IqWJSIm2DzpVSScLMYEbwvwHqSE/d B79ouluVzOJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaJoHDgAKCRARpy6gFHHX ctOGD/0cSYDZW/goxRDxXIAufr1SeifOHNgUAptcTBvVkFJAPfPOfH5TK4at42v1eOokOLXNoEC sTuGkhKZfqOaOg9x8yt7W1vomvviGuGTY7gf6PHUoy7wbnTn3qbY60aVClUWShpIdQQUB0nCsoB m+OIv/U8dicisHk48UQQqZySVUrksr0MVkakj5k3X3pcO9LO0c1qO7vBAXEHnSigKZ9tvFf4RX/ hW1OumHHZzV1Dg3H1G8AxpJBwVLvy33pv3Ttu1RzDxrg2krzWpTM0s3lJaBErEO5layELONQXH+ sQ13qCTZfsJ8rycZenN9DKJO8wr85Dlghk0FwFwFypKgvop+VrtslDqZiO2zAmC+PnhYHznUiTJ biTV44inSyVz6RCRmt/0aP2XEVNAk0lXRfymM6S2GGwUEa8re4f8Ng3AAiUoFByBOsNSqASvVj/ XmGxUqi7698cHhlGTYofoLfs10dENmzPcw9wzbjUwNjdzyhadfZzLbrT6o0rNm8aj7fjZWRU+FQ 9j8wiphcuNBGLafNGrvkoF+lAbSPsKDnUTsRvypvBcpMYMt0ZSBMD/ZGTLlQGrYDRS+D4LphCpb kMOFhsBFb3JYE6qdkE5y1GehoNCTw/x/vd+FwKJ0A1dGRJ2j2SQuGznINMv8cOp8dG75C7jvEwM h3uAFZfJJL+af4Q== 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. Reported-by: Alexey Klimov Reviewed-by: Konrad Dybcio Signed-off-by: Bartosz Golaszewski --- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts index a37860175d2733214f1b257e84d5cb4821033242..bdf2d66e40c62596b8b024de833835a0750df35d 100644 --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts @@ -5,6 +5,7 @@ /dts-v1/; +#include #include #include #include @@ -65,8 +66,8 @@ 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