xref: /linux/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml (revision 9b0b9b588c00a801230727e5046a2323bf4e4d34) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pci/rockchip-dw-pcie-common.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: DesignWare based PCIe RC/EP controller on Rockchip SoCs
8
9maintainers:
10  - Shawn Lin <shawn.lin@rock-chips.com>
11  - Simon Xue <xxm@rock-chips.com>
12  - Heiko Stuebner <heiko@sntech.de>
13
14description: |+
15  Generic properties for the DesignWare based PCIe RC/EP controller on Rockchip
16  SoCs.
17
18properties:
19  clocks:
20    minItems: 5
21    items:
22      - description: AHB clock for PCIe master
23      - description: AHB clock for PCIe slave
24      - description: AHB clock for PCIe dbi
25      - description: APB clock for PCIe
26      - description: Auxiliary clock for PCIe
27      - description: PIPE clock
28      - description: Reference clock for PCIe
29
30  clock-names:
31    minItems: 5
32    items:
33      - const: aclk_mst
34      - const: aclk_slv
35      - const: aclk_dbi
36      - const: pclk
37      - const: aux
38      - const: pipe
39      - const: ref
40
41  interrupts:
42    items:
43      - description:
44          Combined system interrupt, which is used to signal the following
45          interrupts - phy_link_up, dll_link_up, link_req_rst_not, hp_pme,
46          hp, hp_msi, link_auto_bw, link_auto_bw_msi, bw_mgt, bw_mgt_msi,
47          edma_wr, edma_rd, dpa_sub_upd, rbar_update, link_eq_req, ep_elbi_app
48      - description:
49          Combined PM interrupt, which is used to signal the following
50          interrupts - linkst_in_l1sub, linkst_in_l1, linkst_in_l2,
51          linkst_in_l0s, linkst_out_l1sub, linkst_out_l1, linkst_out_l2,
52          linkst_out_l0s, pm_dstate_update
53      - description:
54          Combined message interrupt, which is used to signal the following
55          interrupts - ven_msg, unlock_msg, ltr_msg, cfg_pme, cfg_pme_msi,
56          pm_pme, pm_to_ack, pm_turnoff, obff_idle, obff_obff, obff_cpu_active
57      - description:
58          Combined legacy interrupt, which is used to signal the following
59          interrupts - inta, intb, intc, intd
60      - description:
61          Combined error interrupt, which is used to signal the following
62          interrupts - aer_rc_err, aer_rc_err_msi, rx_cpl_timeout,
63          tx_cpl_timeout, cor_err_sent, nf_err_sent, f_err_sent, cor_err_rx,
64          nf_err_rx, f_err_rx, radm_qoverflow
65
66  interrupt-names:
67    items:
68      - const: sys
69      - const: pmc
70      - const: msg
71      - const: legacy
72      - const: err
73
74  num-lanes: true
75
76  phys:
77    maxItems: 1
78
79  phy-names:
80    const: pcie-phy
81
82  power-domains:
83    maxItems: 1
84
85  resets:
86    minItems: 1
87    maxItems: 2
88
89  reset-names:
90    oneOf:
91      - const: pipe
92      - items:
93          - const: pwr
94          - const: pipe
95
96required:
97  - compatible
98  - reg
99  - reg-names
100  - clocks
101  - clock-names
102  - num-lanes
103  - phys
104  - phy-names
105  - power-domains
106  - resets
107  - reset-names
108
109additionalProperties: true
110
111...
112