linux-kernel - [PATCH v2] arm64: dts: qcom: sm6115: Add geni debug uart node for qup0

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Date:   Wed,  8 Feb 2023 17:57:18 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-arm-msm@...r.kernel.org
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        linux-kernel@...r.kernel.org, bhupesh.linux@...il.com,
        bhupesh.sharma@...aro.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org
Subject: [PATCH v2] arm64: dts: qcom: sm6115: Add geni debug uart node for qup0

qup0 on sm6115 / sm4250 has 6 SEs, with SE4 as debug uart.
Add the debug uart node in sm6115 dtsi file.

Cc: Bjorn Andersson <andersson@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 Changes since v1:
  - v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20221128171215.1768745-1-bhupesh.sharma@linaro.org/
  - Addressed Konrad's review comments on v1.
  - Rebased againt latest linux-next/master which now has the 'qupv3_id_0' node
    already in the dtsi file, so just add the debug uart node in v2.

 arch/arm64/boot/dts/qcom/sm6115.dtsi | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
index 50cb8a82ecd5..3eccfb8c16ce 100644
--- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
@@ -963,6 +963,15 @@ spi4: spi@...0000 {
 				status = "disabled";
 			};
 
+			uart4: serial@...0000 {
+				compatible = "qcom,geni-debug-uart";
+				reg = <0x04a90000 0x4000>;
+				clock-names = "se";
+				clocks = <&gcc GCC_QUPV3_WRAP0_S4_CLK>;
+				interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>;
+				status = "disabled";
+			};
+
 			i2c5: i2c@...4000 {
 				compatible = "qcom,geni-i2c";
 				reg = <0x04a94000 0x4000>;
@@ -992,7 +1001,6 @@ spi5: spi@...4000 {
 				dma-names = "tx", "rx";
 				#address-cells = <1>;
 				#size-cells = <0>;
-				status = "disabled";
 			};
 		};
 
-- 
2.38.1