usb: chipidea: drop "13xxx" infix
"ci13xxx" is bad for at least the following reasons:
* people often mistype it
* it doesn't add any informational value to the names it's used in
* it needlessly attracts mail filters
This patch replaces it with "ci_hdrc", "ci_udc" or "ci_hw", depending
on the situation. Modules with ci13xxx prefix are also renamed accordingly
and aliases are added for compatibility. Otherwise, no functional changes.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
new file mode 100644
index 0000000..37fdae5
--- /dev/null
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * 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/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/chipidea.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "ci.h"
+#include "ci_hdrc_imx.h"
+
+#define pdev_to_phy(pdev) \
+ ((struct usb_phy *)platform_get_drvdata(pdev))
+
+struct ci_hdrc_imx_data {
+ struct usb_phy *phy;
+ struct platform_device *ci_pdev;
+ struct clk *clk;
+ struct regulator *reg_vbus;
+};
+
+static const struct usbmisc_ops *usbmisc_ops;
+
+/* Common functions shared by usbmisc drivers */
+
+int usbmisc_set_ops(const struct usbmisc_ops *ops)
+{
+ if (usbmisc_ops)
+ return -EBUSY;
+
+ usbmisc_ops = ops;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usbmisc_set_ops);
+
+void usbmisc_unset_ops(const struct usbmisc_ops *ops)
+{
+ usbmisc_ops = NULL;
+}
+EXPORT_SYMBOL_GPL(usbmisc_unset_ops);
+
+int usbmisc_get_init_data(struct device *dev, struct usbmisc_usb_device *usbdev)
+{
+ struct device_node *np = dev->of_node;
+ struct of_phandle_args args;
+ int ret;
+
+ usbdev->dev = dev;
+
+ ret = of_parse_phandle_with_args(np, "fsl,usbmisc", "#index-cells",
+ 0, &args);
+ if (ret) {
+ dev_err(dev, "Failed to parse property fsl,usbmisc, errno %d\n",
+ ret);
+ memset(usbdev, 0, sizeof(*usbdev));
+ return ret;
+ }
+ usbdev->index = args.args[0];
+ of_node_put(args.np);
+
+ if (of_find_property(np, "disable-over-current", NULL))
+ usbdev->disable_oc = 1;
+
+ if (of_find_property(np, "external-vbus-divider", NULL))
+ usbdev->evdo = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usbmisc_get_init_data);
+
+/* End of common functions shared by usbmisc drivers*/
+
+static int ci_hdrc_imx_probe(struct platform_device *pdev)
+{
+ struct ci_hdrc_imx_data *data;
+ struct ci_hdrc_platform_data pdata = {
+ .name = "ci_hdrc_imx",
+ .capoffset = DEF_CAPOFFSET,
+ .flags = CI_HDRC_REQUIRE_TRANSCEIVER |
+ CI_HDRC_PULLUP_ON_VBUS |
+ CI_HDRC_DISABLE_STREAMING,
+ };
+ struct resource *res;
+ int ret;
+ struct usb_phy *phy;
+
+ if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
+ && !usbmisc_ops)
+ return -EPROBE_DEFER;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ dev_err(&pdev->dev, "Failed to allocate ci_hdrc-imx data!\n");
+ return -ENOMEM;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "Can't get device resources!\n");
+ return -ENOENT;
+ }
+
+ 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,
+ "Failed to prepare or enable clock, err=%d\n", ret);
+ return ret;
+ }
+
+ phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
+ if (!IS_ERR(phy)) {
+ ret = usb_phy_init(phy);
+ if (ret) {
+ dev_err(&pdev->dev, "unable to init phy: %d\n", ret);
+ goto err_clk;
+ }
+ } else if (PTR_ERR(phy) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_clk;
+ }
+
+ /* we only support host now, so enable vbus here */
+ data->reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
+ if (!IS_ERR(data->reg_vbus)) {
+ ret = regulator_enable(data->reg_vbus);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to enable vbus regulator, err=%d\n",
+ ret);
+ goto err_clk;
+ }
+ } else {
+ data->reg_vbus = NULL;
+ }
+
+ pdata.phy = data->phy;
+
+ if (!pdev->dev.dma_mask)
+ pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+ if (!pdev->dev.coherent_dma_mask)
+ pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+ if (usbmisc_ops && usbmisc_ops->init) {
+ ret = usbmisc_ops->init(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "usbmisc init failed, ret=%d\n", ret);
+ goto err;
+ }
+ }
+
+ data->ci_pdev = ci_hdrc_add_device(&pdev->dev,
+ pdev->resource, pdev->num_resources,
+ &pdata);
+ if (IS_ERR(data->ci_pdev)) {
+ ret = PTR_ERR(data->ci_pdev);
+ dev_err(&pdev->dev,
+ "Can't register ci_hdrc platform device, err=%d\n",
+ ret);
+ goto err;
+ }
+
+ if (usbmisc_ops && usbmisc_ops->post) {
+ ret = usbmisc_ops->post(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "usbmisc post failed, ret=%d\n", ret);
+ goto disable_device;
+ }
+ }
+
+ platform_set_drvdata(pdev, data);
+
+ pm_runtime_no_callbacks(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+ return 0;
+
+disable_device:
+ ci_hdrc_remove_device(data->ci_pdev);
+err:
+ if (data->reg_vbus)
+ regulator_disable(data->reg_vbus);
+err_clk:
+ clk_disable_unprepare(data->clk);
+ return ret;
+}
+
+static int ci_hdrc_imx_remove(struct platform_device *pdev)
+{
+ struct ci_hdrc_imx_data *data = platform_get_drvdata(pdev);
+
+ pm_runtime_disable(&pdev->dev);
+ ci_hdrc_remove_device(data->ci_pdev);
+
+ if (data->reg_vbus)
+ regulator_disable(data->reg_vbus);
+
+ if (data->phy) {
+ usb_phy_shutdown(data->phy);
+ module_put(data->phy->dev->driver->owner);
+ }
+
+ clk_disable_unprepare(data->clk);
+
+ return 0;
+}
+
+static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
+ { .compatible = "fsl,imx27-usb", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
+
+static struct platform_driver ci_hdrc_imx_driver = {
+ .probe = ci_hdrc_imx_probe,
+ .remove = ci_hdrc_imx_remove,
+ .driver = {
+ .name = "imx_usb",
+ .owner = THIS_MODULE,
+ .of_match_table = ci_hdrc_imx_dt_ids,
+ },
+};
+
+module_platform_driver(ci_hdrc_imx_driver);
+
+MODULE_ALIAS("platform:imx-usb");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("CI HDRC i.MX USB binding");
+MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
+MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");
