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