xref: /linux/Documentation/devicetree/bindings/pci/rockchip,rk3399-pcie-ep.yaml (revision cdd5b5a9761fd66d17586e4f4ba6588c70e640ea)
1aa222f93SRob Herring# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2aa222f93SRob Herring%YAML 1.2
3aa222f93SRob Herring---
4aa222f93SRob Herring$id: http://devicetree.org/schemas/pci/rockchip,rk3399-pcie-ep.yaml#
5aa222f93SRob Herring$schema: http://devicetree.org/meta-schemas/core.yaml#
6aa222f93SRob Herring
7aa222f93SRob Herringtitle: Rockchip AXI PCIe Endpoint
8aa222f93SRob Herring
9aa222f93SRob Herringmaintainers:
10aa222f93SRob Herring  - Shawn Lin <shawn.lin@rock-chips.com>
11aa222f93SRob Herring
12aa222f93SRob HerringallOf:
13aa222f93SRob Herring  - $ref: /schemas/pci/pci-ep.yaml#
14aa222f93SRob Herring  - $ref: rockchip,rk3399-pcie-common.yaml#
15aa222f93SRob Herring
16aa222f93SRob Herringproperties:
17aa222f93SRob Herring  compatible:
18aa222f93SRob Herring    const: rockchip,rk3399-pcie-ep
19aa222f93SRob Herring
20aa222f93SRob Herring  reg: true
21aa222f93SRob Herring
22aa222f93SRob Herring  reg-names:
23aa222f93SRob Herring    items:
24aa222f93SRob Herring      - const: apb-base
25aa222f93SRob Herring      - const: mem-base
26aa222f93SRob Herring
27aa222f93SRob Herring  rockchip,max-outbound-regions:
28aa222f93SRob Herring    description: Maximum number of outbound regions
29aa222f93SRob Herring    $ref: /schemas/types.yaml#/definitions/uint32
30aa222f93SRob Herring    maximum: 32
31aa222f93SRob Herring    default: 32
32aa222f93SRob Herring
33aa222f93SRob Herringrequired:
34aa222f93SRob Herring  - rockchip,max-outbound-regions
35aa222f93SRob Herring
36aa222f93SRob HerringunevaluatedProperties: false
37aa222f93SRob Herring
38aa222f93SRob Herringexamples:
39aa222f93SRob Herring  - |
40aa222f93SRob Herring    #include <dt-bindings/interrupt-controller/arm-gic.h>
41aa222f93SRob Herring    #include <dt-bindings/gpio/gpio.h>
42aa222f93SRob Herring    #include <dt-bindings/clock/rk3399-cru.h>
43aa222f93SRob Herring
44aa222f93SRob Herring    bus {
45aa222f93SRob Herring        #address-cells = <2>;
46aa222f93SRob Herring        #size-cells = <2>;
47aa222f93SRob Herring
48aa222f93SRob Herring        pcie-ep@f8000000 {
49aa222f93SRob Herring            compatible = "rockchip,rk3399-pcie-ep";
50*21a2960dSRick Wertenbroek            reg = <0x0 0xfd000000 0x0 0x1000000>, <0x0 0xfa000000 0x0 0x2000000>;
51aa222f93SRob Herring            reg-names = "apb-base", "mem-base";
52aa222f93SRob Herring            clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>,
53aa222f93SRob Herring              <&cru PCLK_PCIE>, <&cru SCLK_PCIE_PM>;
54aa222f93SRob Herring            clock-names = "aclk", "aclk-perf",
55aa222f93SRob Herring                    "hclk", "pm";
56aa222f93SRob Herring            max-functions = /bits/ 8 <8>;
57aa222f93SRob Herring            num-lanes = <4>;
58aa222f93SRob Herring            resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
59aa222f93SRob Herring              <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE> ,
60aa222f93SRob Herring              <&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, <&cru SRST_A_PCIE>;
61aa222f93SRob Herring            reset-names = "core", "mgmt", "mgmt-sticky", "pipe",
62aa222f93SRob Herring                    "pm", "pclk", "aclk";
63aa222f93SRob Herring            phys = <&pcie_phy 0>, <&pcie_phy 1>, <&pcie_phy 2>, <&pcie_phy 3>;
64aa222f93SRob Herring            phy-names = "pcie-phy-0", "pcie-phy-1", "pcie-phy-2", "pcie-phy-3";
65aa222f93SRob Herring            rockchip,max-outbound-regions = <16>;
66*21a2960dSRick Wertenbroek            pinctrl-names = "default";
67*21a2960dSRick Wertenbroek            pinctrl-0 = <&pcie_clkreqnb_cpm>;
68aa222f93SRob Herring        };
69aa222f93SRob Herring    };
70aa222f93SRob Herring...
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