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authorRiccardo Mereu <r.mereu@arduino.cc>2025-11-20 18:58:24 +0300
committerBjorn Andersson <andersson@kernel.org>2026-01-03 21:42:36 +0300
commit925ac1f6ec75a773e0ec8b91673b647f6d456ccb (patch)
treee9e3ff27a2c4669620667f553185d4516492770b
parent311d173da672397a58498841299ec613ff9eb96b (diff)
downloadlinux-925ac1f6ec75a773e0ec8b91673b647f6d456ccb.tar.xz
arm64: dts: qcom: agatti: add uart2 node
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> Link: https://lore.kernel.org/r/20251120155825.121483-6-r.mereu.kernel@arduino.cc Signed-off-by: Bjorn Andersson <andersson@kernel.org>
-rw-r--r--arch/arm64/boot/dts/qcom/agatti.dtsi24
1 files changed, 24 insertions, 0 deletions
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 @@
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 @@
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>;