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path: root/drivers/usb/chipidea/usbmisc_imx6q.c
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Diffstat (limited to 'drivers/usb/chipidea/usbmisc_imx6q.c')
-rw-r--r--drivers/usb/chipidea/usbmisc_imx6q.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/drivers/usb/chipidea/usbmisc_imx6q.c b/drivers/usb/chipidea/usbmisc_imx6q.c
deleted file mode 100644
index a1bce391e825..000000000000
--- a/drivers/usb/chipidea/usbmisc_imx6q.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-#include <linux/module.h>
-#include <linux/of_platform.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include "ci13xxx_imx.h"
-
-#define USB_DEV_MAX 4
-
-#define BM_OVER_CUR_DIS BIT(7)
-
-struct imx6q_usbmisc {
- void __iomem *base;
- spinlock_t lock;
- struct clk *clk;
- struct usbmisc_usb_device usbdev[USB_DEV_MAX];
-};
-
-static struct imx6q_usbmisc *usbmisc;
-
-static struct usbmisc_usb_device *get_usbdev(struct device *dev)
-{
- int i, ret;
-
- for (i = 0; i < USB_DEV_MAX; i++) {
- if (usbmisc->usbdev[i].dev == dev)
- return &usbmisc->usbdev[i];
- else if (!usbmisc->usbdev[i].dev)
- break;
- }
-
- if (i >= USB_DEV_MAX)
- return ERR_PTR(-EBUSY);
-
- ret = usbmisc_get_init_data(dev, &usbmisc->usbdev[i]);
- if (ret)
- return ERR_PTR(ret);
-
- return &usbmisc->usbdev[i];
-}
-
-static int usbmisc_imx6q_init(struct device *dev)
-{
-
- struct usbmisc_usb_device *usbdev;
- unsigned long flags;
- u32 reg;
-
- usbdev = get_usbdev(dev);
- if (IS_ERR(usbdev))
- return PTR_ERR(usbdev);
-
- if (usbdev->disable_oc) {
- spin_lock_irqsave(&usbmisc->lock, flags);
- reg = readl(usbmisc->base + usbdev->index * 4);
- writel(reg | BM_OVER_CUR_DIS,
- usbmisc->base + usbdev->index * 4);
- spin_unlock_irqrestore(&usbmisc->lock, flags);
- }
-
- return 0;
-}
-
-static const struct usbmisc_ops imx6q_usbmisc_ops = {
- .init = usbmisc_imx6q_init,
-};
-
-static const struct of_device_id usbmisc_imx6q_dt_ids[] = {
- { .compatible = "fsl,imx6q-usbmisc"},
- { /* sentinel */ }
-};
-
-static int usbmisc_imx6q_probe(struct platform_device *pdev)
-{
- struct resource *res;
- struct imx6q_usbmisc *data;
- int ret;
-
- if (usbmisc)
- return -EBUSY;
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- spin_lock_init(&data->lock);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- data->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(data->base))
- return PTR_ERR(data->base);
-
- data->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(data->clk)) {
- dev_err(&pdev->dev,
- "failed to get clock, err=%ld\n", PTR_ERR(data->clk));
- return PTR_ERR(data->clk);
- }
-
- ret = clk_prepare_enable(data->clk);
- if (ret) {
- dev_err(&pdev->dev,
- "clk_prepare_enable failed, err=%d\n", ret);
- return ret;
- }
-
- ret = usbmisc_set_ops(&imx6q_usbmisc_ops);
- if (ret) {
- clk_disable_unprepare(data->clk);
- return ret;
- }
-
- usbmisc = data;
-
- return 0;
-}
-
-static int usbmisc_imx6q_remove(struct platform_device *pdev)
-{
- usbmisc_unset_ops(&imx6q_usbmisc_ops);
- clk_disable_unprepare(usbmisc->clk);
- return 0;
-}
-
-static struct platform_driver usbmisc_imx6q_driver = {
- .probe = usbmisc_imx6q_probe,
- .remove = usbmisc_imx6q_remove,
- .driver = {
- .name = "usbmisc_imx6q",
- .owner = THIS_MODULE,
- .of_match_table = usbmisc_imx6q_dt_ids,
- },
-};
-
-int __init usbmisc_imx6q_drv_init(void)
-{
- return platform_driver_register(&usbmisc_imx6q_driver);
-}
-subsys_initcall(usbmisc_imx6q_drv_init);
-
-void __exit usbmisc_imx6q_drv_exit(void)
-{
- platform_driver_unregister(&usbmisc_imx6q_driver);
-}
-module_exit(usbmisc_imx6q_drv_exit);
-
-MODULE_ALIAS("platform:usbmisc-imx6q");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("driver for imx6q usb non-core registers");
-MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");