// SPDX-License-Identifier: GPL-2.0-only /* * Synopsys G210 Test Chip driver * * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com) * * Authors: Joao Pinto <jpinto@synopsys.com> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/delay.h> #include <linux/pm_runtime.h> #include "ufshcd-pltfrm.h" #include "ufshcd-dwc.h" #include "tc-dwc-g210.h" /* * UFS DWC specific variant operations */ static struct ufs_hba_variant_ops tc_dwc_g210_20bit_pltfm_hba_vops = { .name = "tc-dwc-g210-pltfm", .link_startup_notify = ufshcd_dwc_link_startup_notify, .phy_initialization = tc_dwc_g210_config_20_bit, }; static struct ufs_hba_variant_ops tc_dwc_g210_40bit_pltfm_hba_vops = { .name = "tc-dwc-g210-pltfm", .link_startup_notify = ufshcd_dwc_link_startup_notify, .phy_initialization = tc_dwc_g210_config_40_bit, }; static const struct of_device_id tc_dwc_g210_pltfm_match[] = { { .compatible = "snps,g210-tc-6.00-20bit", .data = &tc_dwc_g210_20bit_pltfm_hba_vops, }, { .compatible = "snps,g210-tc-6.00-40bit", .data = &tc_dwc_g210_40bit_pltfm_hba_vops, }, { }, }; MODULE_DEVICE_TABLE(of, tc_dwc_g210_pltfm_match); /** * tc_dwc_g210_pltfm_probe() * @pdev: pointer to platform device structure * */ static int tc_dwc_g210_pltfm_probe(struct platform_device *pdev) { int err; const struct of_device_id *of_id; struct ufs_hba_variant_ops *vops; struct device *dev = &pdev->dev; of_id = of_match_node(tc_dwc_g210_pltfm_match, dev->of_node); vops = (struct ufs_hba_variant_ops *)of_id->data; /* Perform generic probe */ err = ufshcd_pltfrm_init(pdev, vops); if (err) dev_err(dev, "ufshcd_pltfrm_init() failed %d\n", err); return err; } /** * tc_dwc_g210_pltfm_remove() * @pdev: pointer to platform device structure * */ static int tc_dwc_g210_pltfm_remove(struct platform_device *pdev) { struct ufs_hba *hba = platform_get_drvdata(pdev); pm_runtime_get_sync(&(pdev)->dev); ufshcd_remove(hba); return 0; } static const struct dev_pm_ops tc_dwc_g210_pltfm_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume) SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL) }; static struct platform_driver tc_dwc_g210_pltfm_driver = { .probe = tc_dwc_g210_pltfm_probe, .remove = tc_dwc_g210_pltfm_remove, .shutdown = ufshcd_pltfrm_shutdown, .driver = { .name = "tc-dwc-g210-pltfm", .pm = &tc_dwc_g210_pltfm_pm_ops, .of_match_table = of_match_ptr(tc_dwc_g210_pltfm_match), }, }; module_platform_driver(tc_dwc_g210_pltfm_driver); MODULE_ALIAS("platform:tc-dwc-g210-pltfm"); MODULE_DESCRIPTION("Synopsys Test Chip G210 platform glue driver"); MODULE_AUTHOR("Joao Pinto <Joao.Pinto@synopsys.com>"); MODULE_LICENSE("Dual BSD/GPL");