linux-kernel - [PATCH 7/8] arm64: dts: qcom: Add QUPv3 UART console node for SDX75

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Date:   Fri, 19 May 2023 14:39:09 +0530
From:   Rohit Agarwal <quic_rohiagar@...cinc.com>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, tglx@...utronix.de, maz@...nel.org,
        will@...nel.org, robin.murphy@....com, joro@...tes.org,
        robimarko@...il.com, quic_gurus@...cinc.com
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux.dev, Rohit Agarwal <quic_rohiagar@...cinc.com>
Subject: [PATCH 7/8] arm64: dts: qcom: Add QUPv3 UART console node for SDX75

Add the debug uart console node in devicetree.

Signed-off-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sdx75.dtsi | 49 +++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
index dbbd2f4..ca467f9 100644
--- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
@@ -385,6 +385,34 @@
 			#power-domain-cells = <1>;
 		};
 
+		qupv3_id_0: geniqup@...000 {
+			compatible = "qcom,geni-se-qup";
+			reg = <0x0 0x009c0000 0x0 0x2000>;
+			clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
+				 <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
+			clock-names = "m-ahb",
+				      "s-ahb";
+			iommus = <&apps_smmu 0xe3 0x0>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+			status = "disabled";
+
+			uart1: serial@...000 {
+				compatible = "qcom,geni-debug-uart";
+				reg = <0x0 0x00984000 0x0 0x4000>;
+				clock-names = "se";
+				clocks = <&gcc GCC_QUPV3_WRAP0_S1_CLK>;
+				interrupts = <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>;
+				pinctrl-0 = <&qupv3_se1_2uart_tx_active>,
+					    <&qupv3_se1_2uart_rx_active>;
+				pinctrl-1 = <&qupv3_se1_2uart_sleep>;
+				pinctrl-names = "default",
+						"sleep";
+				status = "disabled";
+			};
+		};
+
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x0 0x01f40000 0x0 0x40000>;
@@ -413,6 +441,27 @@
 			interrupt-controller;
 			#interrupt-cells = <2>;
 			wakeup-parent = <&pdc>;
+
+			qupv3_se1_2uart_tx_active: qupv3-se1-2uart-tx-active-state {
+				pins = "gpio12";
+				function = "qup_se1_l2_mira";
+				drive-strength= <2>;
+				bias-disable;
+			};
+
+			qupv3_se1_2uart_rx_active: qupv3-se1-2uart-rx-active-state {
+				pins = "gpio13";
+				function = "qup_se1_l3_mira";
+				drive-strength= <2>;
+				bias-disable;
+			};
+
+			qupv3_se1_2uart_sleep: qupv3-se1-2uart-sleep-state {
+				pins = "gpio12", "gpio13";
+				function = "gpio";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
 		};
 
 		apps_smmu: iommu@...00000 {
-- 
2.7.4