blob: 8867eb4025bf972f8ad86542ddd84a11c85dde4e [file] [log] [blame]
* omap iommu: omap device registration
* Copyright (C) 2008-2009 Nokia Corporation
* Written by Hiroshi DOYU <>
* 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.
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/platform_data/iommu-omap.h>
#include "soc.h"
#include "omap_hwmod.h"
#include "omap_device.h"
static int __init omap_iommu_dev_init(struct omap_hwmod *oh, void *unused)
struct platform_device *pdev;
struct iommu_platform_data *pdata;
struct omap_mmu_dev_attr *a = (struct omap_mmu_dev_attr *)oh->dev_attr;
static int i;
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
pdata->name = oh->name;
pdata->nr_tlb_entries = a->nr_tlb_entries;
if (oh->rst_lines_cnt == 1) {
pdata->reset_name = oh->rst_lines->name;
pdata->assert_reset = omap_device_assert_hardreset;
pdata->deassert_reset = omap_device_deassert_hardreset;
pdev = omap_device_build("omap-iommu", i, oh, pdata, sizeof(*pdata));
if (IS_ERR(pdev)) {
pr_err("%s: device build err: %ld\n", __func__, PTR_ERR(pdev));
return PTR_ERR(pdev);
return 0;
static int __init omap_iommu_init(void)
/* If dtb is there, the devices will be created dynamically */
if (of_have_populated_dt())
return -ENODEV;
return omap_hwmod_for_each_by_class("mmu", omap_iommu_dev_init, NULL);
/* must be ready before omap3isp is probed */