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From: Riccardo Mereu <r.mereu.kernel@arduino.cc>
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 <r.mereu@arduino.cc>,
	Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: [PATCH v2 5/6] arm64: dts: qcom: agatti: add uart2 node
Date: Fri, 14 Nov 2025 13:18:52 +0100	[thread overview]
Message-ID: <20251114121853.16472-6-r.mereu@arduino.cc> (raw)
In-Reply-To: <20251114121853.16472-1-r.mereu@arduino.cc>

uart2 is used in Arduino UnoQ as an interface between microprocessor and
microcontroller.

Signed-off-by: Riccardo Mereu <r.mereu@arduino.cc>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
 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/qcom/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;
 			};
 
+			qup_uart2_default: qup-uart2-default-state {
+				pins = "gpio6", "gpio7", "gpio71", "gpio80";
+				function = "qup2";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
 			qup_uart3_default: qup-uart3-default-state {
 				pins = "gpio8", "gpio9", "gpio10", "gpio11";
 				function = "qup3";
@@ -1315,6 +1322,23 @@ &qup_virt SLAVE_QUP_CORE_0 RPM_ALWAYS_TAG>,
 				status = "disabled";
 			};
 
+			uart2: serial@4a88000 {
+				compatible = "qcom,geni-uart";
+				reg = <0x0 0x04a88000 0x0 0x4000>;
+				interrupts = <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&gcc GCC_QUPV3_WRAP0_S2_CLK>;
+				clock-names = "se";
+				pinctrl-0 = <&qup_uart2_default>;
+				pinctrl-names = "default";
+				interconnects = <&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 = "qup-core",
+						     "qup-config";
+				status = "disabled";
+			};
+
 			i2c3: i2c@4a8c000 {
 				compatible = "qcom,geni-i2c";
 				reg = <0x0 0x04a8c000 0x0 0x4000>;
-- 
2.51.2


  parent reply	other threads:[~2025-11-14 12:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-14 12:18 [PATCH v2 0/6] arm64: qcom: add support for Arduino UnoQ SBC Riccardo Mereu
2025-11-14 12:18 ` [PATCH v2 1/6] dt-bindings: vendor-prefixes: Add Arduino name Riccardo Mereu
2025-11-15 11:36   ` Krzysztof Kozlowski
2025-11-19  4:49   ` Trilok Soni
2025-11-19  9:11     ` Riccardo Mereu Linux Kernel
2025-11-19  9:22       ` Dmitry Baryshkov
2025-11-14 12:18 ` [PATCH v2 2/6] dt-bindings: trivial-devices: add arduino spi mcu interface Riccardo Mereu
2025-11-14 12:58   ` Krzysztof Kozlowski
2025-11-14 13:00     ` Krzysztof Kozlowski
2025-11-14 12:18 ` [PATCH v2 3/6] spi: spidev: add compatible for " Riccardo Mereu
2025-11-14 12:18 ` [PATCH v2 4/6] dt-bindings: arm: qcom: Add arduino imola, UnoQ codename Riccardo Mereu
2025-11-14 13:00   ` Krzysztof Kozlowski
2025-11-14 12:18 ` Riccardo Mereu [this message]
2025-11-14 12:18 ` [PATCH v2 6/6] arm64: dts: qcom: qrb2210: add dts for Arduino unoq Riccardo Mereu
2025-11-18 10:44   ` Loic Poulain

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