1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/qcom,pcie-ipq8074.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm IPQ8074 PCI Express Root Complex
maintainers:
- Bjorn Andersson <andersson@kernel.org>
- Manivannan Sadhasivam <mani@kernel.org>
properties:
compatible:
enum:
- qcom,pcie-ipq8074
reg:
maxItems: 4
reg-names:
items:
- const: dbi
- const: elbi
- const: parf
- const: config
clocks:
maxItems: 5
clock-names:
items:
- const: iface # PCIe to SysNOC BIU clock
- const: axi_m # AXI Master clock
- const: axi_s # AXI Slave clock
- const: ahb
- const: aux
interrupts:
maxItems: 9
interrupt-names:
items:
- const: msi0
- const: msi1
- const: msi2
- const: msi3
- const: msi4
- const: msi5
- const: msi6
- const: msi7
- const: global
resets:
maxItems: 7
reset-names:
items:
- const: pipe
- const: sleep
- const: sticky # Core sticky reset
- const: axi_m # AXI master reset
- const: axi_s # AXI slave reset
- const: ahb
- const: axi_m_sticky # AXI master sticky reset
required:
- resets
- reset-names
allOf:
- $ref: qcom,pcie-common.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-ipq8074.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
pcie@10000000 {
compatible = "qcom,pcie-ipq8074";
reg = <0x10000000 0xf1d>,
<0x10000f20 0xa8>,
<0x00088000 0x2000>,
<0x10100000 0x1000>;
reg-names = "dbi", "elbi", "parf", "config";
ranges = <0x81000000 0x0 0x00000000 0x10200000 0x0 0x10000>, /* I/O */
<0x82000000 0x0 0x10220000 0x10220000 0x0 0xfde0000>; /* MEM */
device_type = "pci";
linux,pci-domain = <1>;
bus-range = <0x00 0xff>;
num-lanes = <1>;
max-link-speed = <2>;
#address-cells = <3>;
#size-cells = <2>;
clocks = <&gcc GCC_SYS_NOC_PCIE1_AXI_CLK>,
<&gcc GCC_PCIE1_AXI_M_CLK>,
<&gcc GCC_PCIE1_AXI_S_CLK>,
<&gcc GCC_PCIE1_AHB_CLK>,
<&gcc GCC_PCIE1_AUX_CLK>;
clock-names = "iface",
"axi_m",
"axi_s",
"ahb",
"aux";
interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "msi0",
"msi1",
"msi2",
"msi3",
"msi4",
"msi5",
"msi6",
"msi7",
"global";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &intc 0 GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
<0 0 0 2 &intc 0 GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
<0 0 0 3 &intc 0 GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
<0 0 0 4 &intc 0 GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
phys = <&pcie_qmp1>;
phy-names = "pciephy";
resets = <&gcc GCC_PCIE1_PIPE_ARES>,
<&gcc GCC_PCIE1_SLEEP_ARES>,
<&gcc GCC_PCIE1_CORE_STICKY_ARES>,
<&gcc GCC_PCIE1_AXI_MASTER_ARES>,
<&gcc GCC_PCIE1_AXI_SLAVE_ARES>,
<&gcc GCC_PCIE1_AHB_ARES>,
<&gcc GCC_PCIE1_AXI_MASTER_STICKY_ARES>;
reset-names = "pipe",
"sleep",
"sticky",
"axi_m",
"axi_s",
"ahb",
"axi_m_sticky";
perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
pcie@0 {
device_type = "pci";
reg = <0x0 0x0 0x0 0x0 0x0>;
bus-range = <0x01 0xff>;
#address-cells = <3>;
#size-cells = <2>;
ranges;
};
};
|
