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Mon, 16 Jun 2025 07:33:55 -0700 (PDT) From: Bartosz Golaszewski 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 Subject: [PATCH] arm64: dts: qcom: add debug UART pins to reserved GPIO ranges on RB2 Date: Mon, 16 Jun 2025 16:33:41 +0200 Message-ID: <20250616143341.51944-1-brgl@bgdev.pl> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Bartosz Golaszewski GPIO12 and GPIO13 are used for the debug UART and must not be available to drivers or user-space. Add them to the gpio-reserved-ranges. Fixes: 8d58a8c0d930c ("arm64: dts: qcom: Add base qrb4210-rb2 board dts") Signed-off-by: Bartosz Golaszewski --- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts= /qcom/qrb4210-rb2.dts index a37860175d273..384427e98dfbd 100644 --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts @@ -606,9 +606,8 @@ &sleep_clk { }; =20 &tlmm { - gpio-reserved-ranges =3D <43 2>, <49 1>, <54 1>, - <56 3>, <61 2>, <64 1>, - <68 1>, <72 8>, <96 1>; + gpio-reserved-ranges =3D <12 2>, <43 2>, <49 1>, <54 1>, <56 3>, + <61 2>, <64 1>, <68 1>, <72 8>, <96 1>; =20 uart3_default: uart3-default-state { cts-pins { --=20 2.48.1