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[213.215.163.27]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477b82e8ea6sm55552185e9.8.2025.11.20.07.58.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Nov 2025 07:58:34 -0800 (PST) From: Riccardo Mereu To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, broonie@kernel.org Cc: linux@roeck-us.net, Jonathan.Cameron@huawei.com, wenswang@yeah.net, naresh.solanki@9elements.com, michal.simek@amd.com, nuno.sa@analog.com, chou.cosmo@gmail.com, grantpeltier93@gmail.com, eajames@linux.ibm.com, farouk.bouabid@cherry.de, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, m.facchin@arduino.cc, Riccardo Mereu , Konrad Dybcio , Dmitry Baryshkov Subject: [PATCH v3 5/6] arm64: dts: qcom: agatti: add uart2 node Date: Thu, 20 Nov 2025 16:58:24 +0100 Message-ID: <20251120155825.121483-6-r.mereu.kernel@arduino.cc> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251120155825.121483-1-r.mereu.kernel@arduino.cc> References: <20251120155825.121483-1-r.mereu.kernel@arduino.cc> 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: Riccardo Mereu uart2 is used in Arduino UnoQ as an interface between microprocessor and microcontroller. Signed-off-by: Riccardo Mereu Reviewed-by: Konrad Dybcio Reviewed-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/agatti.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/agatti.dtsi b/arch/arm64/boot/dts/qco= m/agatti.dtsi index 8bf5c5583fc2..992a157c571f 100644 --- a/arch/arm64/boot/dts/qcom/agatti.dtsi +++ b/arch/arm64/boot/dts/qcom/agatti.dtsi @@ -562,6 +562,13 @@ qup_uart1_default: qup-uart1-default-state { bias-disable; }; =20 + qup_uart2_default: qup-uart2-default-state { + pins =3D "gpio6", "gpio7", "gpio71", "gpio80"; + function =3D "qup2"; + drive-strength =3D <2>; + bias-disable; + }; + qup_uart3_default: qup-uart3-default-state { pins =3D "gpio8", "gpio9", "gpio10", "gpio11"; function =3D "qup3"; @@ -1315,6 +1322,23 @@ &qup_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>, status =3D "disabled"; }; =20 + uart2: serial@4a88000 { + compatible =3D "qcom,geni-uart"; + reg =3D <0x0 0x04a88000 0x0 0x4000>; + interrupts =3D ; + clocks =3D <&gcc GCC_QUPV3_WRAP0_S2_CLK>; + clock-names =3D "se"; + pinctrl-0 =3D <&qup_uart2_default>; + pinctrl-names =3D "default"; + interconnects =3D <&qup_virt MASTER_QUP_CORE_0 RPM_ALWAYS_TAG + &qup_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>, + <&bimc MASTER_APPSS_PROC RPM_ALWAYS_TAG + &config_noc MASTER_APPSS_PROC RPM_ALWAYS_TAG>; + interconnect-names =3D "qup-core", + "qup-config"; + status =3D "disabled"; + }; + i2c3: i2c@4a8c000 { compatible =3D "qcom,geni-i2c"; reg =3D <0x0 0x04a8c000 0x0 0x4000>; --=20 2.52.0