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[144.178.202.139]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b97f16d7ddfsm409472566b.44.2026.03.19.01.55.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 01:55:08 -0700 (PDT) From: Luca Weiss Date: Thu, 19 Mar 2026 09:55:00 +0100 Subject: [PATCH] arm64: dts: qcom: sm7225-fairphone-fp4: Fix conflicting bias pinctrl 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: quoted-printable Message-Id: <20260319-fp4-uart1-fix-v1-1-f6b3fedef583@fairphone.com> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/x2MQQqAMAzAviI9W9jmEOpXxINop73o6FSEsb87P CaQZEiswgmGJoPyI0nOo4JtG1j2+dgYZa0MzrjedJYwRI/3rJfFIC9S4I6MI++JoDZRuer/N06 lfFnpZ2NfAAAA X-Change-ID: 20260319-fp4-uart1-fix-9fe390294499 To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Conor Dooley , Luca Weiss X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773910507; l=1651; i=luca.weiss@fairphone.com; s=20250611; h=from:subject:message-id; bh=IzA7DVYs76tgOv9WJWrIsFdXTl5V2IRyQcUpczSkiBE=; b=2S1wO6Nl6QAu+Y/oouP1Cgz4PwvApvauSatoiG+hngdXSOZLwdj3C8wvO3LwpUYBu/LBkWGhx eQ54Cx0biQRAQo921yxM/935gTwwW2HWLuIN7Ad0iPSXUOJaOfqHfwx X-Developer-Key: i=luca.weiss@fairphone.com; a=ed25519; pk=O1aw+AAust5lEmgrNJ1Bs7PTY0fEsJm+mdkjExA69q8= The pinctrl nodes from sm6350.dtsi already contain a bias-* property, so that needs to be deleted, otherwise the dtb will contain two conflicting bias-* properties. Reported-by: Conor Dooley Closes: https://lore.kernel.org/r/20260310-maritime-silly-05e7b7e03aa6@spud/ Fixes: c4ef464b24c5 ("arm64: dts: qcom: sm7225-fairphone-fp4: Add Bluetooth= ") Signed-off-by: Luca Weiss Reviewed-by: Conor Dooley Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64= /boot/dts/qcom/sm7225-fairphone-fp4.dts index a3c2b26736f4..3964aae47fd4 100644 --- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts +++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts @@ -1019,12 +1019,14 @@ &qup_uart1_cts { * the Bluetooth module drives the pin in either * direction or leaves the pin fully unpowered. */ + /delete-property/ bias-disable; bias-bus-hold; }; =20 &qup_uart1_rts { /* We'll drive RTS, so no pull */ drive-strength =3D <2>; + /delete-property/ bias-pull-down; bias-disable; }; =20 @@ -1035,12 +1037,14 @@ &qup_uart1_rx { * in tri-state (module powered off or not driving the * signal yet). */ + /delete-property/ bias-disable; bias-pull-up; }; =20 &qup_uart1_tx { /* We'll drive TX, so no pull */ drive-strength =3D <2>; + /delete-property/ bias-pull-up; bias-disable; }; =20 --- base-commit: de79886ae0ce739608514f6b1ae91c14c6a9e600 change-id: 20260319-fp4-uart1-fix-9fe390294499 Best regards, --=20 Luca Weiss