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Message-Id: <1628568516-24155-3-git-send-email-pmaliset@codeaurora.org>
Date: Tue, 10 Aug 2021 09:38:34 +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 v5 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>
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 126 +++++++++++++++++++++++++++++++++++
1 file changed, 126 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 53a21d0..4500d88 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -16,6 +16,7 @@
#include <dt-bindings/reset/qcom,sdm845-pdc.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>
#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/gpio/gpio.h>
/ {
interrupt-parent = <&intc>;
@@ -586,6 +587,119 @@
qcom,bcm-voters = <&apps_bcm_voter>;
};
+ pcie1: pci@...8000 {
+ compatible = "qcom,pcie-sc7280", "qcom,pcie-sm8250", "snps,dw-pcie";
+ 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>;
+ pipe-clk-source-switch;
+
+ #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";
+
+ perst-gpio = <&tlmm 2 GPIO_ACTIVE_LOW>;
+ 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 = <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "pipe0";
+
+ #phy-cells = <0>;
+ #clock-cells = <1>;
+ clock-output-names = "pcie_1_pipe_clk";
+ };
+ };
+
ipa: ipa@...0000 {
compatible = "qcom,sc7280-ipa";
@@ -1598,6 +1712,18 @@
bias-bus-hold;
};
};
+
+ pcie1_default_state: pcie1-default-state {
+ clkreq {
+ pins = "gpio79";
+ function = "pcie1_clkreqn";
+ };
+
+ wake-n {
+ pins = "gpio3";
+ function = "gpio";
+ };
+ };
};
apps_smmu: iommu@...00000 {
--
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