Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * PCIe host controller driver for Mobiveil PCIe Host controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (c) 2018 Mobiveil Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright 2019 NXP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Author: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *	   Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/of_pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "pcie-mobiveil.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static int mobiveil_pcie_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct mobiveil_pcie *pcie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct pci_host_bridge *bridge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	/* allocate the PCIe port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	if (!bridge)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	pcie = pci_host_bridge_priv(bridge);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	pcie->rp.bridge = bridge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	pcie->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	return mobiveil_pcie_host_probe(pcie);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static const struct of_device_id mobiveil_pcie_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	{.compatible = "mbvl,gpex40-pcie",},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) MODULE_DEVICE_TABLE(of, mobiveil_pcie_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static struct platform_driver mobiveil_pcie_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	.probe = mobiveil_pcie_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		.name = "mobiveil-pcie",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		.of_match_table = mobiveil_pcie_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		.suppress_bind_attrs = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) builtin_platform_driver(mobiveil_pcie_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) MODULE_DESCRIPTION("Mobiveil PCIe host controller driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) MODULE_AUTHOR("Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>");