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/*
* board setup for STMP378x-Development-Board
*
* based on mx23evk board setup and information gained form the original
* plat-stmp based board setup, now converted to mach-mxs.
*
* Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2011 Wolfram Sang, Pengutronix e.K.
*
* 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; version 2 of the License.
*
* 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/platform_device.h>
#include <linux/gpio.h>
#include <linux/spi/spi.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"
#define STMP378X_DEVB_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30)
#define STMP378X_DEVB_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29)
#define STMP378X_DEVB_PAD_AUART (MXS_PAD_4MA | MXS_PAD_1V8 | MXS_PAD_NOPULL)
static const iomux_cfg_t stmp378x_dvb_pads[] __initconst = {
/* duart (extended setup missing in old boardcode, too */
MX23_PAD_PWM0__DUART_RX,
MX23_PAD_PWM1__DUART_TX,
/* auart */
MX23_PAD_AUART1_RX__AUART1_RX | STMP378X_DEVB_PAD_AUART,
MX23_PAD_AUART1_TX__AUART1_TX | STMP378X_DEVB_PAD_AUART,
MX23_PAD_AUART1_CTS__AUART1_CTS | STMP378X_DEVB_PAD_AUART,
MX23_PAD_AUART1_RTS__AUART1_RTS | STMP378X_DEVB_PAD_AUART,
/* mmc */
MX23_PAD_SSP1_DATA0__SSP1_DATA0 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DATA1__SSP1_DATA1 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DATA2__SSP1_DATA2 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DATA3__SSP1_DATA3 |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_CMD__SSP1_CMD |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
MX23_PAD_SSP1_DETECT__SSP1_DETECT |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_SSP1_SCK__SSP1_SCK |
(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
MX23_PAD_PWM4__GPIO_1_30 | MXS_PAD_CTRL, /* write protect */
MX23_PAD_PWM3__GPIO_1_29 | MXS_PAD_CTRL, /* power enable */
};
static struct mxs_mmc_platform_data stmp378x_dvb_mmc_pdata __initdata = {
.wp_gpio = STMP378X_DEVB_MMC0_WRITE_PROTECT,
};
static struct spi_board_info spi_board_info[] __initdata = {
#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
{
.modalias = "enc28j60",
.max_speed_hz = 6 * 1000 * 1000,
.bus_num = 1,
.chip_select = 0,
.platform_data = NULL,
},
#endif
};
static void __init stmp378x_dvb_init(void)
{
int ret;
mx23_soc_init();
mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads,
ARRAY_SIZE(stmp378x_dvb_pads));
mx23_add_duart();
mx23_add_auart0();
mx23_add_rtc_stmp3xxx();
/* power on mmc slot */
ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER,
GPIOF_OUT_INIT_LOW, "mmc0-slot-power");
if (ret)
pr_warn("could not power mmc (%d)\n", ret);
mx23_add_mxs_mmc(0, &stmp378x_dvb_mmc_pdata);
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
static void __init stmp378x_dvb_timer_init(void)
{
mx23_clocks_init();
}
static struct sys_timer stmp378x_dvb_timer = {
.init = stmp378x_dvb_timer_init,
};
MACHINE_START(STMP378X, "STMP378X")
.map_io = mx23_map_io,
.init_irq = mx23_init_irq,
.timer = &stmp378x_dvb_timer,
.init_machine = stmp378x_dvb_init,
.restart = mxs_restart,
MACHINE_END
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