linux-kernel - [PATCH 1/6] ARM: dts: qcom: sdx55: Add support for PCIe PHY

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Date:   Fri, 26 Nov 2021 12:35:15 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 1/6] ARM: dts: qcom: sdx55: Add support for PCIe PHY

Add devicetree support for PCIe PHY used in SDX55 platform. This PHY is
used by the PCIe EP controller.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 arch/arm/boot/dts/qcom-sdx55.dtsi | 35 +++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
index 44526ad9d210..16995782dfdf 100644
--- a/arch/arm/boot/dts/qcom-sdx55.dtsi
+++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
@@ -309,6 +309,41 @@ qpic_nand: nand-controller@...0000 {
 			status = "disabled";
 		};
 
+		pcie0_phy: phy@...7000 {
+			compatible = "qcom,sdx55-qmp-pcie-phy";
+			reg = <0x01c07000 0x1c4>;
+			#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_CLK>,
+				 <&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 0x104>, /* tx0 */
+				      <0x01c06200 0x328>, /* rx0 */
+				      <0x01c07200 0x1e8>, /* pcs */
+				      <0x01c06800 0x104>, /* tx1 */
+				      <0x01c06a00 0x328>, /* rx1 */
+				      <0x01c07600 0x800>; /* pcs_misc */
+				clocks = <&gcc GCC_PCIE_PIPE_CLK>;
+				clock-names = "pipe0";
+
+				#phy-cells = <0>;
+				clock-output-names = "pcie_pipe_clk";
+			};
+		};
+
 		ipa: ipa@...0000 {
 			compatible = "qcom,sdx55-ipa";
 
-- 
2.25.1