1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pci/rockchip,rk3399-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip AXI PCIe Root Port Bridge Host
8
9 maintainers:
10 - Shawn Lin <shawn.lin@rock-chips.com>
11
12 allOf:
13 - $ref: /schemas/pci/pci-host-bridge.yaml#
14 - $ref: rockchip,rk3399-pcie-common.yaml#
15
16 properties:
17 compatible:
18 const: rockchip,rk3399-pcie
19
20 reg: true
21
22 reg-names:
23 items:
24 - const: axi-base
25 - const: apb-base
26
27 interrupts:
28 maxItems: 3
29
30 interrupt-names:
31 items:
32 - const: sys
33 - const: legacy
34 - const: client
35
36 aspm-no-l0s:
37 description: This property is needed if using 24MHz OSC for RC's PHY.
38
39 ep-gpios:
40 maxItems: 1
41 description: pre-reset GPIO
42
43 vpcie12v-supply:
44 description: The 12v regulator to use for PCIe.
45
46 vpcie3v3-supply:
47 description: The 3.3v regulator to use for PCIe.
48
49 vpcie1v8-supply:
50 description: The 1.8v regulator to use for PCIe.
51
52 vpcie0v9-supply:
53 description: The 0.9v regulator to use for PCIe.
54
55 interrupt-controller:
56 type: object
57 additionalProperties: false
58
59 properties:
60 '#address-cells':
61 const: 0
62
63 '#interrupt-cells':
64 const: 1
65
66 interrupt-controller: true
67
68 required:
69 - ranges
70 - "#interrupt-cells"
71 - interrupts
72 - interrupt-controller
73 - interrupt-map
74 - interrupt-map-mask
75 - msi-map
76
77 unevaluatedProperties: false
78
79 examples:
80 - |
81 #include <dt-bindings/interrupt-controller/arm-gic.h>
82 #include <dt-bindings/gpio/gpio.h>
83 #include <dt-bindings/clock/rk3399-cru.h>
84
85 bus {
86 #address-cells = <2>;
87 #size-cells = <2>;
88
89 pcie@f8000000 {
90 compatible = "rockchip,rk3399-pcie";
91 device_type = "pci";
92 #address-cells = <3>;
93 #size-cells = <2>;
94 clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>,
95 <&cru PCLK_PCIE>, <&cru SCLK_PCIE_PM>;
96 clock-names = "aclk", "aclk-perf",
97 "hclk", "pm";
98 interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH 0>,
99 <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH 0>,
100 <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH 0>;
101 interrupt-names = "sys", "legacy", "client";
102 ep-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
103 ranges = <0x83000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x600000
104 0x81000000 0x0 0xfa600000 0x0 0xfa600000 0x0 0x100000>;
105 num-lanes = <4>;
106 msi-map = <0x0 &its 0x0 0x1000>;
107 reg = <0x0 0xf8000000 0x0 0x2000000>, <0x0 0xfd000000 0x0 0x1000000>;
108 reg-names = "axi-base", "apb-base";
109 resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
110 <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE> ,
111 <&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, <&cru SRST_A_PCIE>;
112 reset-names = "core", "mgmt", "mgmt-sticky", "pipe",
113 "pm", "pclk", "aclk";
114 /* deprecated legacy PHY model */
115 phys = <&pcie_phy>;
116 phy-names = "pcie-phy";
117 pinctrl-names = "default";
118 pinctrl-0 = <&pcie_clkreq>;
119 #interrupt-cells = <1>;
120 interrupt-map-mask = <0 0 0 7>;
121 interrupt-map = <0 0 0 1 &pcie0_intc 0>,
122 <0 0 0 2 &pcie0_intc 1>,
123 <0 0 0 3 &pcie0_intc 2>,
124 <0 0 0 4 &pcie0_intc 3>;
125
126 pcie0_intc: interrupt-controller {
127 interrupt-controller;
128 #address-cells = <0>;
129 #interrupt-cells = <1>;
130 };
131 };
132 };
133 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.