From: Xilin Wu <wuxilin123@gmail.com>
Date: Thu, 12 Feb 2026 16:41:25 +0000 (-0600)
Subject: arm64: dts: qcom: sm8550: Add UART15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99e38f568321ab3a372f952ae11893968c943b7e;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: sm8550: Add UART15

Add uart15 node for UART bus present on sm8550 SoC.

Signed-off-by: Molly Sophia <mollysophia379@gmail.com>
Signed-off-by: Xilin Wu <wuxilin123@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260212-sm8550-uart15-v3-1-b90405f94bec@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 412a3b2dabd0..817b373b96f7 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -1251,6 +1251,22 @@
 				#size-cells = <0>;
 				status = "disabled";
 			};
+
+			uart15: serial@89c000 {
+				compatible = "qcom,geni-uart";
+				reg = <0 0x0089c000 0 0x4000>;
+				clock-names = "se";
+				clocks = <&gcc GCC_QUPV3_WRAP2_S7_CLK>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&qup_uart15_default>;
+				interrupts = <GIC_SPI 462 IRQ_TYPE_LEVEL_HIGH 0>;
+				interconnects = <&clk_virt MASTER_QUP_CORE_2 QCOM_ICC_TAG_ALWAYS
+						 &clk_virt SLAVE_QUP_CORE_2 QCOM_ICC_TAG_ALWAYS>,
+						<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
+						 &config_noc SLAVE_QUP_2 QCOM_ICC_TAG_ACTIVE_ONLY>;
+				interconnect-names = "qup-core", "qup-config";
+				status = "disabled";
+			};
 		};
 
 		i2c_master_hub_0: geniqup@9c0000 {
@@ -5103,6 +5119,14 @@
 				bias-pull-down;
 			};
 
+			qup_uart15_default: qup-uart15-default-state {
+				/* TX, RX */
+				pins = "gpio74", "gpio75";
+				function = "qup2_se7";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+
 			sdc2_sleep: sdc2-sleep-state {
 				clk-pins {
 					pins = "sdc2_clk";