1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * PCIe host controller driver for Mobiveil PCIe Host controller
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2018 Mobiveil Inc.
6*4882a593Smuzhiyun * Copyright 2019 NXP
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Author: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
9*4882a593Smuzhiyun * Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <linux/kernel.h>
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun #include <linux/of_pci.h>
16*4882a593Smuzhiyun #include <linux/pci.h>
17*4882a593Smuzhiyun #include <linux/platform_device.h>
18*4882a593Smuzhiyun #include <linux/slab.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #include "pcie-mobiveil.h"
21*4882a593Smuzhiyun
mobiveil_pcie_probe(struct platform_device * pdev)22*4882a593Smuzhiyun static int mobiveil_pcie_probe(struct platform_device *pdev)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun struct mobiveil_pcie *pcie;
25*4882a593Smuzhiyun struct pci_host_bridge *bridge;
26*4882a593Smuzhiyun struct device *dev = &pdev->dev;
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /* allocate the PCIe port */
29*4882a593Smuzhiyun bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
30*4882a593Smuzhiyun if (!bridge)
31*4882a593Smuzhiyun return -ENOMEM;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun pcie = pci_host_bridge_priv(bridge);
34*4882a593Smuzhiyun pcie->rp.bridge = bridge;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun pcie->pdev = pdev;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun return mobiveil_pcie_host_probe(pcie);
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun static const struct of_device_id mobiveil_pcie_of_match[] = {
42*4882a593Smuzhiyun {.compatible = "mbvl,gpex40-pcie",},
43*4882a593Smuzhiyun {},
44*4882a593Smuzhiyun };
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, mobiveil_pcie_of_match);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun static struct platform_driver mobiveil_pcie_driver = {
49*4882a593Smuzhiyun .probe = mobiveil_pcie_probe,
50*4882a593Smuzhiyun .driver = {
51*4882a593Smuzhiyun .name = "mobiveil-pcie",
52*4882a593Smuzhiyun .of_match_table = mobiveil_pcie_of_match,
53*4882a593Smuzhiyun .suppress_bind_attrs = true,
54*4882a593Smuzhiyun },
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun builtin_platform_driver(mobiveil_pcie_driver);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
60*4882a593Smuzhiyun MODULE_DESCRIPTION("Mobiveil PCIe host controller driver");
61*4882a593Smuzhiyun MODULE_AUTHOR("Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>");
62