linux/arch/arm/mach-mxs/mach-mx23evk.c
Shawn Guo 2e8acbc283 ARM: mxs/mx23evk: add auart device
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-02-17 12:03:11 +01:00

69 lines
1.8 KiB
C

/*
* Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/iomux-mx23.h>
#include "devices-mx23.h"
static const iomux_cfg_t mx23evk_pads[] __initconst = {
/* duart */
MX23_PAD_PWM0__DUART_RX | MXS_PAD_4MA,
MX23_PAD_PWM1__DUART_TX | MXS_PAD_4MA,
/* auart */
MX23_PAD_AUART1_RX__AUART1_RX |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_AUART1_TX__AUART1_TX |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_AUART1_CTS__AUART1_CTS |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_AUART1_RTS__AUART1_RTS |
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};
static void __init mx23evk_init(void)
{
mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
mx23_add_duart();
mx23_add_auart0();
}
static void __init mx23evk_timer_init(void)
{
mx23_clocks_init();
}
static struct sys_timer mx23evk_timer = {
.init = mx23evk_timer_init,
};
MACHINE_START(MX23EVK, "Freescale MX23 EVK")
/* Maintainer: Freescale Semiconductor, Inc. */
.map_io = mx23_map_io,
.init_irq = mx23_init_irq,
.init_machine = mx23evk_init,
.timer = &mx23evk_timer,
MACHINE_END