diff options
author | Daniel Tang <dt.tangr@gmail.com> | 2014-03-11 13:47:39 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-12 12:32:21 -0700 |
commit | 7b92e1ddb17f37caf37d4477483a62a425ba428f (patch) | |
tree | 1cc640792b4e237aa31952b118d7b3f8192a0776 /drivers/usb/chipidea/ci_hdrc_zevio.c | |
parent | c844d6c884f372dcde158c84b61c373ebc529519 (diff) |
usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
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>
Diffstat (limited to 'drivers/usb/chipidea/ci_hdrc_zevio.c')
-rw-r--r-- | drivers/usb/chipidea/ci_hdrc_zevio.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_zevio.c b/drivers/usb/chipidea/ci_hdrc_zevio.c new file mode 100644 index 000000000000..3bf6489ef5ec --- /dev/null +++ b/drivers/usb/chipidea/ci_hdrc_zevio.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * Based off drivers/usb/chipidea/ci_hdrc_msm.c + * + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/usb/gadget.h> +#include <linux/usb/chipidea.h> + +#include "ci.h" + +static struct ci_hdrc_platform_data ci_hdrc_zevio_platdata = { + .name = "ci_hdrc_zevio", + .flags = CI_HDRC_REGS_SHARED, + .capoffset = DEF_CAPOFFSET, +}; + +static int ci_hdrc_zevio_probe(struct platform_device *pdev) +{ + struct platform_device *ci_pdev; + + dev_dbg(&pdev->dev, "ci_hdrc_zevio_probe\n"); + + ci_pdev = ci_hdrc_add_device(&pdev->dev, + pdev->resource, pdev->num_resources, + &ci_hdrc_zevio_platdata); + + if (IS_ERR(ci_pdev)) { + dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n"); + return PTR_ERR(ci_pdev); + } + + platform_set_drvdata(pdev, ci_pdev); + + return 0; +} + +static int ci_hdrc_zevio_remove(struct platform_device *pdev) +{ + struct platform_device *ci_pdev = platform_get_drvdata(pdev); + + ci_hdrc_remove_device(ci_pdev); + + return 0; +} + +static const struct of_device_id ci_hdrc_zevio_dt_ids[] = { + { .compatible = "lsi,zevio-usb", }, + { /* sentinel */ } +}; + +static struct platform_driver ci_hdrc_zevio_driver = { + .probe = ci_hdrc_zevio_probe, + .remove = ci_hdrc_zevio_remove, + .driver = { + .name = "zevio_usb", + .owner = THIS_MODULE, + .of_match_table = ci_hdrc_zevio_dt_ids, + }, +}; + +MODULE_DEVICE_TABLE(of, ci_hdrc_zevio_dt_ids); +module_platform_driver(ci_hdrc_zevio_driver); + +MODULE_LICENSE("GPL v2"); |