linux-kernel - [PATCH v9 2/4] arm64: dts: qcom: sc7280: Add PCIe and PHY related nodes

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Message-Id: <1632837350-12100-3-git-send-email-pmaliset@codeaurora.org>
Date:   Tue, 28 Sep 2021 19:25:48 +0530
From:   Prasad Malisetty <pmaliset@...eaurora.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org, bhelgaas@...gle.com,
        robh+dt@...nel.org, swboyd@...omium.org, lorenzo.pieralisi@....com,
        svarbanov@...sol.com
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        dianders@...omium.org, mka@...omium.org, vbadigan@...eaurora.org,
        sallenki@...eaurora.org, manivannan.sadhasivam@...aro.org,
        Prasad Malisetty <pmaliset@...eaurora.org>
Subject: [PATCH v9 2/4] arm64: dts: qcom: sc7280: Add PCIe and PHY related nodes

Add PCIe controller and PHY nodes for sc7280 SOC.

Signed-off-by: Prasad Malisetty <pmaliset@...eaurora.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 119 +++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 92b6b65..26f6c04 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -1530,6 +1530,117 @@
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
+		pcie1: pci@...8000 {
+			compatible = "qcom,pcie-sc7280";
+			reg = <0 0x01c08000 0 0x3000>,
+			      <0 0x40000000 0 0xf1d>,
+			      <0 0x40000f20 0 0xa8>,
+			      <0 0x40001000 0 0x1000>,
+			      <0 0x40100000 0 0x100000>;
+
+			reg-names = "parf", "dbi", "elbi", "atu", "config";
+			device_type = "pci";
+			linux,pci-domain = <1>;
+			bus-range = <0x00 0xff>;
+			num-lanes = <2>;
+
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			ranges = <0x01000000 0x0 0x40200000 0x0 0x40200000 0x0 0x100000>,
+				 <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;
+
+			interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi";
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			interrupt-map = <0 0 0 1 &intc 0 434 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &intc 0 435 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &intc 0 438 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &intc 0 439 IRQ_TYPE_LEVEL_HIGH>;
+
+			clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
+				 <&gcc GCC_PCIE_1_PIPE_CLK_SRC>,
+				 <&pcie1_lane 0>,
+				 <&rpmhcc RPMH_CXO_CLK>,
+				 <&gcc GCC_PCIE_1_AUX_CLK>,
+				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
+				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
+				 <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
+				 <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>,
+				 <&gcc GCC_DDRSS_PCIE_SF_CLK>;
+
+			clock-names = "pipe",
+				      "pipe_mux",
+				      "phy_pipe",
+				      "ref",
+				      "aux",
+				      "cfg",
+				      "bus_master",
+				      "bus_slave",
+				      "slave_q2a",
+				      "tbu",
+				      "ddrss_sf_tbu";
+
+			assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
+			assigned-clock-rates = <19200000>;
+
+			resets = <&gcc GCC_PCIE_1_BCR>;
+			reset-names = "pci";
+
+			power-domains = <&gcc GCC_PCIE_1_GDSC>;
+
+			phys = <&pcie1_lane>;
+			phy-names = "pciephy";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&pcie1_default_state>;
+
+			iommus = <&apps_smmu 0x1c80 0x1>;
+
+			iommu-map = <0x0 &apps_smmu 0x1c80 0x1>,
+				    <0x100 &apps_smmu 0x1c81 0x1>;
+
+			status = "disabled";
+		};
+
+		pcie1_phy: phy@...e000 {
+			compatible = "qcom,sm8250-qmp-gen3x2-pcie-phy";
+			reg = <0 0x01c0e000 0 0x1c0>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
+				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_CLKREF_EN>,
+				 <&gcc GCC_PCIE1_PHY_RCHNG_CLK>;
+			clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+			resets = <&gcc GCC_PCIE_1_PHY_BCR>;
+			reset-names = "phy";
+
+			assigned-clocks = <&gcc GCC_PCIE1_PHY_RCHNG_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			status = "disabled";
+
+			pcie1_lane: lanes@...e200 {
+				reg = <0 0x01c0e200 0 0x170>,
+				      <0 0x01c0e400 0 0x200>,
+				      <0 0x01c0ea00 0 0x1f0>,
+				      <0 0x01c0e600 0 0x170>,
+				      <0 0x01c0e800 0 0x200>,
+				      <0 0x01c0ee00 0 0xf4>;
+				clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
+				clock-names = "pipe0";
+
+				#phy-cells = <0>;
+				#clock-cells = <1>;
+				clock-output-names = "pcie_1_pipe_clk";
+			};
+		};
+
 		ipa: ipa@...0000 {
 			compatible = "qcom,sc7280-ipa";
 
@@ -2586,6 +2697,14 @@
 			gpio-ranges = <&tlmm 0 0 175>;
 			wakeup-parent = <&pdc>;
 
+			pcie1_default_state: pcie1-default-state {
+				clkreq {
+					pins = "gpio79";
+					function = "pcie1_clkreqn";
+					bias-pull-up;
+				};
+			};
+
 			qspi_clk: qspi-clk {
 				pins = "gpio14";
 				function = "qspi_clk";
-- 
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