forked from Minki/linux
2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Synopsys DesignWare Multimedia Card Interface driver
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*
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* Copyright (C) 2009 NXP Semiconductors
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* Copyright (C) 2009, 2010 Imagination Technologies Ltd.
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*/
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#include <linux/err.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/slab.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/mmc.h>
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#include <linux/of.h>
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#include <linux/clk.h>
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#include "dw_mmc.h"
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#include "dw_mmc-pltfm.h"
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int dw_mci_pltfm_register(struct platform_device *pdev,
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const struct dw_mci_drv_data *drv_data)
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{
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struct dw_mci *host;
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struct resource *regs;
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host = devm_kzalloc(&pdev->dev, sizeof(struct dw_mci), GFP_KERNEL);
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if (!host)
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return -ENOMEM;
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host->irq = platform_get_irq(pdev, 0);
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if (host->irq < 0)
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return host->irq;
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host->drv_data = drv_data;
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host->dev = &pdev->dev;
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host->irq_flags = 0;
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host->pdata = pdev->dev.platform_data;
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regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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host->regs = devm_ioremap_resource(&pdev->dev, regs);
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if (IS_ERR(host->regs))
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return PTR_ERR(host->regs);
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/* Get registers' physical base address */
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host->phy_regs = regs->start;
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platform_set_drvdata(pdev, host);
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return dw_mci_probe(host);
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}
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EXPORT_SYMBOL_GPL(dw_mci_pltfm_register);
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const struct dev_pm_ops dw_mci_pltfm_pmops = {
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SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
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pm_runtime_force_resume)
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SET_RUNTIME_PM_OPS(dw_mci_runtime_suspend,
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dw_mci_runtime_resume,
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NULL)
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};
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EXPORT_SYMBOL_GPL(dw_mci_pltfm_pmops);
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static const struct of_device_id dw_mci_pltfm_match[] = {
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{ .compatible = "snps,dw-mshc", },
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{ .compatible = "altr,socfpga-dw-mshc", },
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{ .compatible = "img,pistachio-dw-mshc", },
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{},
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};
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MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
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static int dw_mci_pltfm_probe(struct platform_device *pdev)
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{
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const struct dw_mci_drv_data *drv_data = NULL;
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const struct of_device_id *match;
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if (pdev->dev.of_node) {
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match = of_match_node(dw_mci_pltfm_match, pdev->dev.of_node);
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drv_data = match->data;
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}
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return dw_mci_pltfm_register(pdev, drv_data);
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}
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int dw_mci_pltfm_remove(struct platform_device *pdev)
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{
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struct dw_mci *host = platform_get_drvdata(pdev);
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dw_mci_remove(host);
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return 0;
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}
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EXPORT_SYMBOL_GPL(dw_mci_pltfm_remove);
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static struct platform_driver dw_mci_pltfm_driver = {
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.probe = dw_mci_pltfm_probe,
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.remove = dw_mci_pltfm_remove,
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.driver = {
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.name = "dw_mmc",
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.of_match_table = dw_mci_pltfm_match,
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.pm = &dw_mci_pltfm_pmops,
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},
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};
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module_platform_driver(dw_mci_pltfm_driver);
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MODULE_DESCRIPTION("DW Multimedia Card Interface driver");
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MODULE_AUTHOR("NXP Semiconductor VietNam");
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MODULE_AUTHOR("Imagination Technologies Ltd");
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MODULE_LICENSE("GPL v2");
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