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path: root/drivers/usb/dwc3/dwc3-qcom.c
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Diffstat (limited to 'drivers/usb/dwc3/dwc3-qcom.c')
-rw-r--r--drivers/usb/dwc3/dwc3-qcom.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
deleted file mode 100644
index 088026048..000000000
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/platform_device.h>
-
-struct dwc3_qcom {
- struct device *dev;
-
- struct clk *core_clk;
- struct clk *iface_clk;
- struct clk *sleep_clk;
-};
-
-static int dwc3_qcom_probe(struct platform_device *pdev)
-{
- struct device_node *node = pdev->dev.of_node;
- struct dwc3_qcom *qdwc;
- int ret;
-
- qdwc = devm_kzalloc(&pdev->dev, sizeof(*qdwc), GFP_KERNEL);
- if (!qdwc)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, qdwc);
-
- qdwc->dev = &pdev->dev;
-
- qdwc->core_clk = devm_clk_get(qdwc->dev, "core");
- if (IS_ERR(qdwc->core_clk)) {
- dev_err(qdwc->dev, "failed to get core clock\n");
- return PTR_ERR(qdwc->core_clk);
- }
-
- qdwc->iface_clk = devm_clk_get(qdwc->dev, "iface");
- if (IS_ERR(qdwc->iface_clk)) {
- dev_info(qdwc->dev, "failed to get optional iface clock\n");
- qdwc->iface_clk = NULL;
- }
-
- qdwc->sleep_clk = devm_clk_get(qdwc->dev, "sleep");
- if (IS_ERR(qdwc->sleep_clk)) {
- dev_info(qdwc->dev, "failed to get optional sleep clock\n");
- qdwc->sleep_clk = NULL;
- }
-
- ret = clk_prepare_enable(qdwc->core_clk);
- if (ret) {
- dev_err(qdwc->dev, "failed to enable core clock\n");
- goto err_core;
- }
-
- ret = clk_prepare_enable(qdwc->iface_clk);
- if (ret) {
- dev_err(qdwc->dev, "failed to enable optional iface clock\n");
- goto err_iface;
- }
-
- ret = clk_prepare_enable(qdwc->sleep_clk);
- if (ret) {
- dev_err(qdwc->dev, "failed to enable optional sleep clock\n");
- goto err_sleep;
- }
-
- ret = of_platform_populate(node, NULL, NULL, qdwc->dev);
- if (ret) {
- dev_err(qdwc->dev, "failed to register core - %d\n", ret);
- goto err_clks;
- }
-
- return 0;
-
-err_clks:
- clk_disable_unprepare(qdwc->sleep_clk);
-err_sleep:
- clk_disable_unprepare(qdwc->iface_clk);
-err_iface:
- clk_disable_unprepare(qdwc->core_clk);
-err_core:
- return ret;
-}
-
-static int dwc3_qcom_remove(struct platform_device *pdev)
-{
- struct dwc3_qcom *qdwc = platform_get_drvdata(pdev);
-
- of_platform_depopulate(&pdev->dev);
-
- clk_disable_unprepare(qdwc->sleep_clk);
- clk_disable_unprepare(qdwc->iface_clk);
- clk_disable_unprepare(qdwc->core_clk);
-
- return 0;
-}
-
-static const struct of_device_id of_dwc3_match[] = {
- { .compatible = "qcom,dwc3" },
- { /* Sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, of_dwc3_match);
-
-static struct platform_driver dwc3_qcom_driver = {
- .probe = dwc3_qcom_probe,
- .remove = dwc3_qcom_remove,
- .driver = {
- .name = "qcom-dwc3",
- .of_match_table = of_dwc3_match,
- },
-};
-
-module_platform_driver(dwc3_qcom_driver);
-
-MODULE_ALIAS("platform:qcom-dwc3");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("DesignWare USB3 QCOM Glue Layer");
-MODULE_AUTHOR("Ivan T. Ivanov <iivanov@mm-sol.com>");