xref: /freebsd/sys/contrib/device-tree/Bindings/pci/rockchip-dw-pcie-common.yaml (revision 0e8011faf58b743cc652e3b2ad0f7671227610df)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/rockchip-dw-pcie-common.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: DesignWare based PCIe RC/EP controller on Rockchip SoCs

maintainers:
  - Shawn Lin <shawn.lin@rock-chips.com>
  - Simon Xue <xxm@rock-chips.com>
  - Heiko Stuebner <heiko@sntech.de>

description: |+
  Generic properties for the DesignWare based PCIe RC/EP controller on Rockchip
  SoCs.

properties:
  clocks:
    minItems: 5
    items:
      - description: AHB clock for PCIe master
      - description: AHB clock for PCIe slave
      - description: AHB clock for PCIe dbi
      - description: APB clock for PCIe
      - description: Auxiliary clock for PCIe
      - description: PIPE clock
      - description: Reference clock for PCIe

  clock-names:
    minItems: 5
    items:
      - const: aclk_mst
      - const: aclk_slv
      - const: aclk_dbi
      - const: pclk
      - const: aux
      - const: pipe
      - const: ref

  interrupts:
    minItems: 5
    items:
      - description:
          Combined system interrupt, which is used to signal the following
          interrupts - phy_link_up, dll_link_up, link_req_rst_not, hp_pme,
          hp, hp_msi, link_auto_bw, link_auto_bw_msi, bw_mgt, bw_mgt_msi,
          edma_wr, edma_rd, dpa_sub_upd, rbar_update, link_eq_req, ep_elbi_app
      - description:
          Combined PM interrupt, which is used to signal the following
          interrupts - linkst_in_l1sub, linkst_in_l1, linkst_in_l2,
          linkst_in_l0s, linkst_out_l1sub, linkst_out_l1, linkst_out_l2,
          linkst_out_l0s, pm_dstate_update
      - description:
          Combined message interrupt, which is used to signal the following
          interrupts - ven_msg, unlock_msg, ltr_msg, cfg_pme, cfg_pme_msi,
          pm_pme, pm_to_ack, pm_turnoff, obff_idle, obff_obff, obff_cpu_active
      - description:
          Combined legacy interrupt, which is used to signal the following
          interrupts - inta, intb, intc, intd, tx_inta, tx_intb, tx_intc,
          tx_intd
      - description:
          Combined error interrupt, which is used to signal the following
          interrupts - aer_rc_err, aer_rc_err_msi, rx_cpl_timeout,
          tx_cpl_timeout, cor_err_sent, nf_err_sent, f_err_sent, cor_err_rx,
          nf_err_rx, f_err_rx, radm_qoverflow
      - description:
          eDMA write channel 0 interrupt
      - description:
          eDMA write channel 1 interrupt
      - description:
          eDMA read channel 0 interrupt
      - description:
          eDMA read channel 1 interrupt

  interrupt-names:
    minItems: 5
    items:
      - const: sys
      - const: pmc
      - const: msg
      - const: legacy
      - const: err
      - const: dma0
      - const: dma1
      - const: dma2
      - const: dma3

  num-lanes: true

  phys:
    maxItems: 1

  phy-names:
    const: pcie-phy

  power-domains:
    maxItems: 1

  resets:
    minItems: 1
    maxItems: 2

  reset-names:
    oneOf:
      - const: pipe
      - items:
          - const: pwr
          - const: pipe

required:
  - compatible
  - reg
  - reg-names
  - clocks
  - clock-names
  - num-lanes
  - phys
  - phy-names
  - power-domains
  - resets
  - reset-names

additionalProperties: true

...