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/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <mach/hardware.h>
#include <mach/devices-common.h>
#include <mach/mvf-dcu-fb.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#define mvf_dcu_data_entry_single(soc, id, size, dcu_init) \
{ \
.iobase = soc ## _DCU ## id ## _BASE_ADDR, \
.iosize = size, \
.irq = soc ## _INT_DCU ## id, \
.init = dcu_init, \
}
int __init mvf_dcu_init(int id)
{
int ret = 0;
ret = gpio_request_one(DCU_LCD_ENABLE_PIN, GPIOF_OUT_INIT_LOW, "DCU");
if (ret)
printk(KERN_ERR "DCU: failed to request GPIO 25\n");
msleep(2);
gpio_set_value(DCU_LCD_ENABLE_PIN, 0);
writel(0x20000000, MVF_IO_ADDRESS(MVF_TCON0_BASE_ADDR));
return ret;
}
const struct mvf_dcu_data mvfa5_dcu_data[] __initconst = {
mvf_dcu_data_entry_single(MVF, 0, SZ_8K, mvf_dcu_init),
mvf_dcu_data_entry_single(MVF, 1, SZ_8K, mvf_dcu_init),
};
struct platform_device *__init mvf_add_dcu(
const int id,
const struct mvf_dcu_data *data,
struct mvf_dcu_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + data->iosize - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
pdata->init = data->init;
return imx_add_platform_device("mvf-dcu", id, res, ARRAY_SIZE(res),
pdata, sizeof(*pdata));
}
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