linux-kernel - [PATCH] arm64: dts: qcom: ipq8074: Add QUP UART6 node

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Date: Thu, 29 Feb 2024 21:54:16 +0100
From: Paweł Owoc <frut3k7@...il.com>
To: 
Cc: Paweł Owoc <frut3k7@...il.com>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: ipq8074: Add QUP UART6 node

Add node to support the QUP UART6 controller inside of IPQ8074.
Used by some routers to communicate with a Bluetooth controller.

Signed-off-by: Paweł Owoc <frut3k7@...il.com>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 26441447c866..9c259257adb0 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -321,6 +321,13 @@ serial_4_pins: serial4-state {
 				bias-disable;
 			};
 
+			serial_5_pins: serial5-state {
+				pins = "gpio9", "gpio16";
+				function = "blsp5_uart";
+				drive-strength = <8>;
+				bias-disable;
+			};
+
 			i2c_0_pins: i2c-0-state {
 				pins = "gpio42", "gpio43";
 				function = "blsp1_i2c";
@@ -469,6 +476,18 @@ blsp1_uart5: serial@...3000 {
 			status = "disabled";
 		};
 
+		blsp1_uart6: serial@...4000 {
+			compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
+			reg = <0x078b4000 0x200>;
+			interrupts = <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_UART6_APPS_CLK>,
+				 <&gcc GCC_BLSP1_AHB_CLK>;
+			clock-names = "core", "iface";
+			pinctrl-0 = <&serial_5_pins>;
+			pinctrl-names = "default";
+			status = "disabled";
+		};
+
 		blsp1_spi1: spi@...5000 {
 			compatible = "qcom,spi-qup-v2.2.1";
 			#address-cells = <1>;
-- 
2.43.2