2 * omap-ocp2scp.c - transform ocp interface protocol to scp protocol
4 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * Author: Kishon Vijay Abraham I <kishon@ti.com>
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/err.h>
22 #include <linux/pm_runtime.h>
24 #include <linux/of_platform.h>
26 static int ocp2scp_remove_devices(struct device *dev, void *c)
28 struct platform_device *pdev = to_platform_device(dev);
30 platform_device_unregister(pdev);
35 static int __devinit omap_ocp2scp_probe(struct platform_device *pdev)
38 struct device_node *np = pdev->dev.of_node;
41 ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
43 dev_err(&pdev->dev, "failed to add resources for ocp2scp child\n");
47 pm_runtime_enable(&pdev->dev);
52 device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);
57 static int __devexit omap_ocp2scp_remove(struct platform_device *pdev)
59 pm_runtime_disable(&pdev->dev);
60 device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);
66 static const struct of_device_id omap_ocp2scp_id_table[] = {
67 { .compatible = "ti,omap-ocp2scp" },
70 MODULE_DEVICE_TABLE(of, omap_ocp2scp_id_table);
73 static struct platform_driver omap_ocp2scp_driver = {
74 .probe = omap_ocp2scp_probe,
75 .remove = __devexit_p(omap_ocp2scp_remove),
77 .name = "omap-ocp2scp",
79 .of_match_table = of_match_ptr(omap_ocp2scp_id_table),
83 module_platform_driver(omap_ocp2scp_driver);
85 MODULE_ALIAS("platform: omap-ocp2scp");
86 MODULE_AUTHOR("Texas Instruments Inc.");
87 MODULE_DESCRIPTION("OMAP OCP2SCP driver");
88 MODULE_LICENSE("GPL v2");