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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/qcom,pcie-sa8775p.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm SA8775p PCI Express Root Complex
maintainers:
- Bjorn Andersson <andersson@kernel.org>
- Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
description:
Qualcomm SA8775p SoC PCIe root complex controller is based on the Synopsys
DesignWare PCIe IP.
properties:
compatible:
const: qcom,pcie-sa8775p
reg:
minItems: 6
maxItems: 6
reg-names:
items:
- const: parf # Qualcomm specific registers
- const: dbi # DesignWare PCIe registers
- const: elbi # External local bus interface registers
- const: atu # ATU address space
- const: config # PCIe configuration space
- const: mhi # MHI registers
clocks:
minItems: 5
maxItems: 5
clock-names:
items:
- const: aux # Auxiliary clock
- const: cfg # Configuration clock
- const: bus_master # Master AXI clock
- const: bus_slave # Slave AXI clock
- const: slave_q2a # Slave Q2A clock
interrupts:
minItems: 8
maxItems: 8
interrupt-names:
items:
- const: msi0
- const: msi1
- const: msi2
- const: msi3
- const: msi4
- const: msi5
- const: msi6
- const: msi7
resets:
maxItems: 1
reset-names:
items:
- const: pci
required:
- interconnects
- interconnect-names
allOf:
- $ref: qcom,pcie-common.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,sa8775p-gcc.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
pcie@1c00000 {
compatible = "qcom,pcie-sa8775p";
reg = <0x0 0x01c00000 0x0 0x3000>,
<0x0 0x40000000 0x0 0xf20>,
<0x0 0x40000f20 0x0 0xa8>,
<0x0 0x40001000 0x0 0x4000>,
<0x0 0x40100000 0x0 0x100000>,
<0x0 0x01c03000 0x0 0x1000>;
reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi";
ranges = <0x01000000 0x0 0x00000000 0x0 0x40200000 0x0 0x100000>,
<0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;
bus-range = <0x00 0xff>;
device_type = "pci";
linux,pci-domain = <0>;
num-lanes = <2>;
#address-cells = <3>;
#size-cells = <2>;
assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>;
assigned-clock-rates = <19200000>;
clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
<&gcc GCC_PCIE_0_CFG_AHB_CLK>,
<&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
<&gcc GCC_PCIE_0_SLV_AXI_CLK>,
<&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>;
clock-names = "aux",
"cfg",
"bus_master",
"bus_slave",
"slave_q2a";
dma-coherent;
interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "msi0",
"msi1",
"msi2",
"msi3",
"msi4",
"msi5",
"msi6",
"msi7";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &intc GIC_SPI 434 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 2 &intc GIC_SPI 435 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 3 &intc GIC_SPI 438 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 4 &intc GIC_SPI 439 IRQ_TYPE_LEVEL_HIGH>;
interconnects = <&pcie_anoc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>,
<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>;
interconnect-names = "pcie-mem", "cpu-pcie";
iommu-map = <0x0 &pcie_smmu 0x0000 0x1>,
<0x100 &pcie_smmu 0x0001 0x1>;
phys = <&pcie0_phy>;
phy-names = "pciephy";
power-domains = <&gcc PCIE_0_GDSC>;
resets = <&gcc GCC_PCIE_0_BCR>;
reset-names = "pci";
perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>;
};
};
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