xref: /linux/Documentation/devicetree/bindings/pci/qcom,pcie-x1e80100.yaml (revision 2f2c7254931f41b5736e3ba12aaa9ac1bbeeeb92) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pci/qcom,pcie-x1e80100.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm X1E80100 PCI Express Root Complex
8
9maintainers:
10  - Bjorn Andersson <andersson@kernel.org>
11  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
12
13description:
14  Qualcomm X1E80100 SoC (and compatible) PCIe root complex controller is based on
15  the Synopsys DesignWare PCIe IP.
16
17properties:
18  compatible:
19    const: qcom,pcie-x1e80100
20
21  reg:
22    minItems: 6
23    maxItems: 6
24
25  reg-names:
26    items:
27      - const: parf # Qualcomm specific registers
28      - const: dbi # DesignWare PCIe registers
29      - const: elbi # External local bus interface registers
30      - const: atu # ATU address space
31      - const: config # PCIe configuration space
32      - const: mhi # MHI registers
33
34  clocks:
35    minItems: 6
36    maxItems: 7
37
38  clock-names:
39    minItems: 6
40    items:
41      - const: aux # Auxiliary clock
42      - const: cfg # Configuration clock
43      - const: bus_master # Master AXI clock
44      - const: bus_slave # Slave AXI clock
45      - const: slave_q2a # Slave Q2A clock
46      - const: noc_aggr # Aggre NoC PCIe AXI clock
47      - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock
48
49  interrupts:
50    minItems: 8
51    maxItems: 9
52
53  interrupt-names:
54    minItems: 8
55    items:
56      - const: msi0
57      - const: msi1
58      - const: msi2
59      - const: msi3
60      - const: msi4
61      - const: msi5
62      - const: msi6
63      - const: msi7
64      - const: global
65
66  resets:
67    minItems: 1
68    maxItems: 2
69
70  reset-names:
71    minItems: 1
72    items:
73      - const: pci # PCIe core reset
74      - const: link_down # PCIe link down reset
75
76allOf:
77  - $ref: qcom,pcie-common.yaml#
78
79unevaluatedProperties: false
80
81examples:
82  - |
83    #include <dt-bindings/clock/qcom,x1e80100-gcc.h>
84    #include <dt-bindings/gpio/gpio.h>
85    #include <dt-bindings/interconnect/qcom,x1e80100-rpmh.h>
86    #include <dt-bindings/interrupt-controller/arm-gic.h>
87
88    soc {
89        #address-cells = <2>;
90        #size-cells = <2>;
91
92        pcie@1c08000 {
93            compatible = "qcom,pcie-x1e80100";
94            reg = <0 0x01c08000 0 0x3000>,
95                  <0 0x7c000000 0 0xf1d>,
96                  <0 0x7c000f40 0 0xa8>,
97                  <0 0x7c001000 0 0x1000>,
98                  <0 0x7c100000 0 0x100000>,
99                  <0 0x01c0b000 0 0x1000>;
100            reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi";
101            ranges = <0x01000000 0x0 0x00000000 0x0 0x60200000 0x0 0x100000>,
102                     <0x02000000 0x0 0x60300000 0x0 0x60300000 0x0 0x3d00000>;
103
104            bus-range = <0x00 0xff>;
105            device_type = "pci";
106            linux,pci-domain = <0>;
107            num-lanes = <2>;
108
109            #address-cells = <3>;
110            #size-cells = <2>;
111
112            clocks = <&gcc GCC_PCIE_4_AUX_CLK>,
113                     <&gcc GCC_PCIE_4_CFG_AHB_CLK>,
114                     <&gcc GCC_PCIE_4_MSTR_AXI_CLK>,
115                     <&gcc GCC_PCIE_4_SLV_AXI_CLK>,
116                     <&gcc GCC_PCIE_4_SLV_Q2A_AXI_CLK>,
117                     <&gcc GCC_CFG_NOC_PCIE_ANOC_NORTH_AHB_CLK>,
118                     <&gcc GCC_CNOC_PCIE_NORTH_SF_AXI_CLK>;
119            clock-names = "aux",
120                          "cfg",
121                          "bus_master",
122                          "bus_slave",
123                          "slave_q2a",
124                          "noc_aggr",
125                          "cnoc_sf_axi";
126
127            dma-coherent;
128
129            interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
130                         <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
131                         <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
132                         <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
133                         <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
134                         <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
135                         <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
136                         <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
137                         <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
138            interrupt-names = "msi0", "msi1", "msi2", "msi3",
139                              "msi4", "msi5", "msi6", "msi7", "global";
140            #interrupt-cells = <1>;
141            interrupt-map-mask = <0 0 0 0x7>;
142            interrupt-map = <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
143                            <0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
144                            <0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
145                            <0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
146
147            interconnects = <&pcie_noc MASTER_PCIE_4 0 &mc_virt SLAVE_EBI1 0>,
148                            <&gem_noc MASTER_APPSS_PROC 0 &cnoc_main SLAVE_PCIE_4 0>;
149            interconnect-names = "pcie-mem", "cpu-pcie";
150
151            iommu-map = <0x0 &apps_smmu 0x1400 0x1>,
152                        <0x100 &apps_smmu 0x1401 0x1>;
153
154            phys = <&pcie4_phy>;
155            phy-names = "pciephy";
156
157            pinctrl-0 = <&pcie0_default_state>;
158            pinctrl-names = "default";
159
160            power-domains = <&gcc GCC_PCIE_4_GDSC>;
161
162            resets = <&gcc GCC_PCIE_4_BCR>;
163            reset-names = "pci";
164
165            perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
166            wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
167        };
168    };
169