Linux-6.18.2/Documentation/devicetree/bindings/pci/sophgo,sg2042-pcie-host.yaml
2025-12-23 20:06:59 +08:00

65 lines
1.3 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/sophgo,sg2042-pcie-host.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Sophgo SG2042 PCIe Host (Cadence PCIe Wrapper)
description:
Sophgo SG2042 PCIe host controller is based on the Cadence PCIe core.
maintainers:
- Chen Wang <unicorn_wang@outlook.com>
properties:
compatible:
const: sophgo,sg2042-pcie-host
reg:
maxItems: 2
reg-names:
items:
- const: reg
- const: cfg
vendor-id:
const: 0x1f1c
device-id:
const: 0x2042
msi-parent: true
allOf:
- $ref: cdns-pcie-host.yaml#
required:
- compatible
- reg
- reg-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
pcie@62000000 {
compatible = "sophgo,sg2042-pcie-host";
device_type = "pci";
reg = <0x62000000 0x00800000>,
<0x48000000 0x00001000>;
reg-names = "reg", "cfg";
#address-cells = <3>;
#size-cells = <2>;
ranges = <0x81000000 0 0x00000000 0xde000000 0 0x00010000>,
<0x82000000 0 0xd0400000 0xd0400000 0 0x0d000000>;
bus-range = <0x00 0xff>;
vendor-id = <0x1f1c>;
device-id = <0x2042>;
cdns,no-bar-match-nbits = <48>;
msi-parent = <&msi>;
};