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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL), version 2.
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <plat/gpio.h>
#include <mach/hardware.h>
#include "devices-common.h"
struct amba_device *
dbx500_add_amba_device(const char *name, resource_size_t base,
int irq, void *pdata, unsigned int periphid)
{
struct amba_device *dev;
int ret;
dev = kzalloc(sizeof *dev, GFP_KERNEL);
if (!dev)
return ERR_PTR(-ENOMEM);
dev->dev.init_name = name;
dev->res.start = base;
dev->res.end = base + SZ_4K - 1;
dev->res.flags = IORESOURCE_MEM;
dev->dma_mask = DMA_BIT_MASK(32);
dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
dev->irq[0] = irq;
dev->irq[1] = NO_IRQ;
dev->periphid = periphid;
dev->dev.platform_data = pdata;
ret = amba_device_register(dev, &iomem_resource);
if (ret) {
kfree(dev);
return ERR_PTR(ret);
}
return dev;
}
static struct platform_device *
dbx500_add_platform_device(const char *name, int id, void *pdata,
struct resource *res, int resnum)
{
struct platform_device *dev;
int ret;
dev = platform_device_alloc(name, id);
if (!dev)
return ERR_PTR(-ENOMEM);
dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
ret = platform_device_add_resources(dev, res, resnum);
if (ret)
goto out_free;
dev->dev.platform_data = pdata;
ret = platform_device_add(dev);
if (ret)
goto out_free;
return dev;
out_free:
platform_device_put(dev);
return ERR_PTR(ret);
}
struct platform_device *
dbx500_add_platform_device_4k1irq(const char *name, int id,
resource_size_t base,
int irq, void *pdata)
{
struct resource resources[] = {
[0] = {
.start = base,
.end = base + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = irq,
.end = irq,
.flags = IORESOURCE_IRQ,
}
};
return dbx500_add_platform_device(name, id, pdata, resources,
ARRAY_SIZE(resources));
}
static struct platform_device *
dbx500_add_gpio(int id, resource_size_t addr, int irq,
struct nmk_gpio_platform_data *pdata)
{
struct resource resources[] = {
{
.start = addr,
.end = addr + 127,
.flags = IORESOURCE_MEM,
},
{
.start = irq,
.end = irq,
.flags = IORESOURCE_IRQ,
}
};
return platform_device_register_resndata(NULL, "gpio", id,
resources, ARRAY_SIZE(resources),
pdata, sizeof(*pdata));
}
void dbx500_add_gpios(resource_size_t *base, int num, int irq,
struct nmk_gpio_platform_data *pdata)
{
int first = 0;
int i;
for (i = 0; i < num; i++, first += 32, irq++) {
pdata->first_gpio = first;
pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first);
pdata->num_gpio = 32;
dbx500_add_gpio(i, base[i], irq, pdata);
}
}
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