mirror of
https://github.com/torvalds/linux.git
synced 2024-12-02 17:11:33 +00:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* linux/arch/arm/mach-pxa/pxa2xx.c
|
|
*
|
|
* code specific to pxa2xx
|
|
*
|
|
* Copyright (C) 2008 Dmitry Baryshkov
|
|
*/
|
|
|
|
#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 "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);
|