pxa2xx.c
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/*
* linux/arch/arm/mach-pxa/pxa2xx.c
*
* code specific to pxa2xx
*
* Copyright (C) 2008 Dmitry Baryshkov
*
* 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/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/pxa2xx-regs.h>
#include <mach/mfp-pxa25x.h>
#include <mach/reset.h>
#include <linux/platform_data/irda-pxaficp.h>
void pxa2xx_clear_reset_status(unsigned int mask)
{
/* RESET_STATUS_* has a 1:1 mapping with RCSR */
RCSR = mask;
}
static unsigned long pxa2xx_mfp_fir[] = {
GPIO46_FICP_RXD,
GPIO47_FICP_TXD,
};
static unsigned long pxa2xx_mfp_sir[] = {
GPIO46_STUART_RXD,
GPIO47_STUART_TXD,
};
static unsigned long pxa2xx_mfp_off[] = {
GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
};
void pxa2xx_transceiver_mode(struct device *dev, int mode)
{
if (mode & IR_OFF) {
pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
} else if (mode & IR_SIRMODE) {
pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
} else if (mode & IR_FIRMODE) {
pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
} else
BUG();
}
EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);