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
166
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/qcom,pcie-sc7280.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm SC7280 PCI Express Root Complex
maintainers:
- Bjorn Andersson <andersson@kernel.org>
- Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
description:
Qualcomm SC7280 SoC PCIe root complex controller is based on the Synopsys
DesignWare PCIe IP.
properties:
compatible:
const: qcom,pcie-sc7280
reg:
minItems: 5
maxItems: 6
reg-names:
minItems: 5
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: 13
maxItems: 13
clock-names:
items:
- const: pipe # PIPE clock
- const: pipe_mux # PIPE MUX
- const: phy_pipe # PIPE output clock
- const: ref # REFERENCE clock
- 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
- const: tbu # PCIe TBU clock
- const: ddrss_sf_tbu # PCIe SF TBU clock
- const: aggre0 # Aggre NoC PCIe CENTER SF AXI clock
- const: aggre1 # Aggre NoC PCIe1 AXI clock
interrupts:
maxItems: 1
interrupt-names:
items:
- const: msi
resets:
maxItems: 1
reset-names:
items:
- const: pci
vddpe-3v3-supply:
description: PCIe endpoint power supply
allOf:
- $ref: qcom,pcie-common.yaml#
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-sc7280.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
pcie@1c08000 {
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";
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 = <1>;
num-lanes = <2>;
#address-cells = <3>;
#size-cells = <2>;
assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
assigned-clock-rates = <19200000>;
clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
<&gcc GCC_PCIE_1_PIPE_CLK_SRC>,
<&pcie1_phy>,
<&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>,
<&gcc GCC_AGGRE_NOC_PCIE_CENTER_SF_AXI_CLK>,
<&gcc GCC_AGGRE_NOC_PCIE_1_AXI_CLK>;
clock-names = "pipe",
"pipe_mux",
"phy_pipe",
"ref",
"aux",
"cfg",
"bus_master",
"bus_slave",
"slave_q2a",
"tbu",
"ddrss_sf_tbu",
"aggre0",
"aggre1";
dma-coherent;
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 0 0 434 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 2 &intc 0 0 0 435 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 3 &intc 0 0 0 438 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 4 &intc 0 0 0 439 IRQ_TYPE_LEVEL_HIGH>;
iommu-map = <0x0 &apps_smmu 0x1c80 0x1>,
<0x100 &apps_smmu 0x1c81 0x1>;
phys = <&pcie1_phy>;
phy-names = "pciephy";
pinctrl-names = "default";
pinctrl-0 = <&pcie1_clkreq_n>;
power-domains = <&gcc GCC_PCIE_1_GDSC>;
resets = <&gcc GCC_PCIE_1_BCR>;
reset-names = "pci";
perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
vddpe-3v3-supply = <&pp3300_ssd>;
};
};
|
