7b92e1ddb1
The USB controller in TI-NSPIRE calculators (LSI Zevio SoC) are based off either Freescale's USB OTG controller or the USB controller found in the IMX233, both of which are Chipidea compatible. This patch adds a device tree binding for the controller. Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Daniel Tang <dt.tangr@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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*
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* Based off drivers/usb/chipidea/ci_hdrc_msm.c
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*
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/usb/gadget.h>
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#include <linux/usb/chipidea.h>
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#include "ci.h"
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static struct ci_hdrc_platform_data ci_hdrc_zevio_platdata = {
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.name = "ci_hdrc_zevio",
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.flags = CI_HDRC_REGS_SHARED,
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.capoffset = DEF_CAPOFFSET,
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};
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static int ci_hdrc_zevio_probe(struct platform_device *pdev)
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{
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struct platform_device *ci_pdev;
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dev_dbg(&pdev->dev, "ci_hdrc_zevio_probe\n");
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ci_pdev = ci_hdrc_add_device(&pdev->dev,
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pdev->resource, pdev->num_resources,
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&ci_hdrc_zevio_platdata);
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if (IS_ERR(ci_pdev)) {
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dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
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return PTR_ERR(ci_pdev);
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}
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platform_set_drvdata(pdev, ci_pdev);
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return 0;
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}
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static int ci_hdrc_zevio_remove(struct platform_device *pdev)
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{
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struct platform_device *ci_pdev = platform_get_drvdata(pdev);
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ci_hdrc_remove_device(ci_pdev);
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return 0;
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}
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static const struct of_device_id ci_hdrc_zevio_dt_ids[] = {
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{ .compatible = "lsi,zevio-usb", },
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{ /* sentinel */ }
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};
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static struct platform_driver ci_hdrc_zevio_driver = {
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.probe = ci_hdrc_zevio_probe,
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.remove = ci_hdrc_zevio_remove,
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.driver = {
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.name = "zevio_usb",
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.owner = THIS_MODULE,
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.of_match_table = ci_hdrc_zevio_dt_ids,
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},
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};
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MODULE_DEVICE_TABLE(of, ci_hdrc_zevio_dt_ids);
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module_platform_driver(ci_hdrc_zevio_driver);
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MODULE_LICENSE("GPL v2");
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