linux-kernel - [PATCH 3/6] ARM: dts: qcom: sdx65: Add support for PCIe PHY

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Message-Id: <1678080302-29691-4-git-send-email-quic_rohiagar@quicinc.com>
Date:   Mon,  6 Mar 2023 10:54:59 +0530
From:   Rohit Agarwal <quic_rohiagar@...cinc.com>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        lee@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, mani@...nel.org,
        lpieralisi@...nel.org, kw@...ux.com, bhelgaas@...gle.com,
        manivannan.sadhasivam@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Rohit Agarwal <quic_rohiagar@...cinc.com>
Subject: [PATCH 3/6] ARM: dts: qcom: sdx65: Add support for PCIe PHY

Add devicetree support for PCIe PHY used in SDX65 platform. This PHY is
used by the PCIe EP controller.

Signed-off-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
---
 arch/arm/boot/dts/qcom-sdx65.dtsi | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
index b073e0c..246290d 100644
--- a/arch/arm/boot/dts/qcom-sdx65.dtsi
+++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
@@ -292,6 +292,38 @@
 			status = "disabled";
 		};
 
+		pcie0_phy: phy@...7000 {
+			compatible = "qcom,sdx65-qmp-pcie-phy";
+			reg = <0x01c07000 0x1e4>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			clocks = <&gcc GCC_PCIE_AUX_PHY_CLK_SRC>,
+				 <&gcc GCC_PCIE_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_0_CLKREF_EN>,
+				 <&gcc GCC_PCIE_RCHNG_PHY_CLK>;
+			clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+			resets = <&gcc GCC_PCIE_PHY_BCR>;
+			reset-names = "phy";
+			assigned-clocks = <&gcc GCC_PCIE_RCHNG_PHY_CLK>;
+			assigned-clock-rates = <100000000>;
+			status = "disabled";
+
+			pcie0_lane: lanes@...6000 {
+				reg = <0x01c06000 0xf0>, /* tx0 */
+				      <0x01c06200 0x2f0>, /* rx0 */
+				      <0x01c07200 0x1e8>, /* pcs */
+				      <0x01c06800 0xf0>, /* tx1 */
+				      <0x01c06a00 0x2f0>, /* rx1 */
+				      <0x01c07400 0xc00>; /* pcs_misc */
+				clocks = <&gcc GCC_PCIE_PIPE_CLK>;
+				clock-names = "pipe0";
+				#phy-cells = <0>;
+				clock-output-names = "pcie_pipe_clk";
+			};
+		};
+
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x01f40000 0x40000>;
-- 
2.7.4