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/*
* OMAP4460+ SCM device file
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
* Author: J Keerthy <j-keerthy@ti.com>
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/mutex.h>
#include <linux/idr.h>
#include <plat/omap_device.h>
#include "pm.h"
#include <plat/scm.h>
static DEFINE_IDR(scm_device_idr);
static int scm_dev_init(struct omap_hwmod *oh, void *user)
{
struct omap4plus_scm_pdata *scm_pdata;
struct omap_device *od;
struct omap4plus_scm_dev_attr *scm_dev_attr;
int ret = 0;
int num;
scm_pdata =
kzalloc(sizeof(*scm_pdata), GFP_KERNEL);
if (!scm_pdata) {
dev_err(&oh->od->pdev.dev,
"Unable to allocate memory for scm pdata\n");
return -ENOMEM;
}
ret = idr_pre_get(&scm_device_idr, GFP_KERNEL);
if (ret < 0)
goto fail_id;
ret = idr_get_new(&scm_device_idr, scm_pdata, &num);
if (ret < 0)
goto fail_id;
scm_dev_attr = oh->dev_attr;
scm_pdata->cnt = scm_dev_attr->cnt;
scm_pdata->rev = scm_dev_attr->rev;
if (cpu_is_omap446x())
scm_pdata->accurate = 1;
od = omap_device_build("omap4plus_scm", num,
oh, scm_pdata, sizeof(*scm_pdata), NULL, 0, false);
if (IS_ERR(od)) {
dev_warn(&oh->od->pdev.dev,
"Could not build omap_device for %s\n", oh->name);
ret = PTR_ERR(od);
}
fail_id:
kfree(scm_pdata);
return ret;
}
static int __init omap4460plus_devinit_scm(void)
{
if (!(cpu_is_omap446x() || cpu_is_omap443x() || cpu_is_omap543x()))
return 0;
return omap_hwmod_for_each_by_class("ctrl_module",
scm_dev_init, NULL);
}
arch_initcall(omap4460plus_devinit_scm);
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