linux-kernel - [PATCH 06/10] arm64: dts: qcom: sm8550: Add UART15

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Date: Wed, 24 Apr 2024 23:29:11 +0800
From: Xilin Wu via B4 Relay <devnull+wuxilin123.gmail.com@...nel.org>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Junhao Xie <bigfoot@...ssfun.cn>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Tengfei Fan <quic_tengfan@...cinc.com>, 
 Molly Sophia <mollysophia379@...il.com>, Junhao Xie <bigfoot@...ssfun.cn>
Cc: linux-pwm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 linux-arm-msm@...r.kernel.org, Xilin Wu <wuxilin123@...il.com>
Subject: [PATCH 06/10] arm64: dts: qcom: sm8550: Add UART15

From: Xilin Wu <wuxilin123@...il.com>

Add uart15 node for UART bus present on sm8550 SoC.

Signed-off-by: Molly Sophia <mollysophia379@...il.com>
Signed-off-by: Xilin Wu <wuxilin123@...il.com>
---
 arch/arm64/boot/dts/qcom/sm8550.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index bc5aeb05ffc3..b8bbe88e770f 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -1122,6 +1122,20 @@ spi15: spi@...000 {
 				#size-cells = <0>;
 				status = "disabled";
 			};
+
+			uart15: serial@...000 {
+				compatible = "qcom,geni-uart";
+				reg = <0 0x89c000 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>;
+				interconnects = <&clk_virt MASTER_QUP_CORE_2 0 &clk_virt SLAVE_QUP_CORE_2 0>,
+						<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_2 0>;
+				interconnect-names = "qup-core", "qup-config";
+				status = "disabled";
+			};
 		};
 
 		i2c_master_hub_0: geniqup@...000 {
@@ -3856,6 +3870,14 @@ qup_uart14_cts_rts: qup-uart14-cts-rts-state {
 				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";

-- 
2.44.0