forked from Minki/linux
526b264163
This helps resolve the conflicts between the imx cleanups and the new code that has gone into the imx tree. Conflict resolution was originally done by Sascha Hauer. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/*
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* board setup for STMP378x-Development-Board
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*
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* based on mx23evk board setup and information gained form the original
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* plat-stmp based board setup, now converted to mach-mxs.
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*
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* Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2011 Wolfram Sang, Pengutronix e.K.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/spi/spi.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <mach/common.h>
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#include <mach/iomux-mx23.h>
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#include "devices-mx23.h"
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#define STMP378X_DEVB_MMC0_WRITE_PROTECT MXS_GPIO_NR(1, 30)
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#define STMP378X_DEVB_MMC0_SLOT_POWER MXS_GPIO_NR(1, 29)
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#define STMP378X_DEVB_PAD_AUART (MXS_PAD_4MA | MXS_PAD_1V8 | MXS_PAD_NOPULL)
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static const iomux_cfg_t stmp378x_dvb_pads[] __initconst = {
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/* duart (extended setup missing in old boardcode, too */
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MX23_PAD_PWM0__DUART_RX,
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MX23_PAD_PWM1__DUART_TX,
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/* auart */
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MX23_PAD_AUART1_RX__AUART1_RX | STMP378X_DEVB_PAD_AUART,
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MX23_PAD_AUART1_TX__AUART1_TX | STMP378X_DEVB_PAD_AUART,
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MX23_PAD_AUART1_CTS__AUART1_CTS | STMP378X_DEVB_PAD_AUART,
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MX23_PAD_AUART1_RTS__AUART1_RTS | STMP378X_DEVB_PAD_AUART,
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/* mmc */
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MX23_PAD_SSP1_DATA0__SSP1_DATA0 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX23_PAD_SSP1_DATA1__SSP1_DATA1 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX23_PAD_SSP1_DATA2__SSP1_DATA2 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX23_PAD_SSP1_DATA3__SSP1_DATA3 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX23_PAD_SSP1_CMD__SSP1_CMD |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX23_PAD_SSP1_DETECT__SSP1_DETECT |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
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MX23_PAD_SSP1_SCK__SSP1_SCK |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
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MX23_PAD_PWM4__GPIO_1_30 | MXS_PAD_CTRL, /* write protect */
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MX23_PAD_PWM3__GPIO_1_29 | MXS_PAD_CTRL, /* power enable */
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};
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static struct mxs_mmc_platform_data stmp378x_dvb_mmc_pdata __initdata = {
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.wp_gpio = STMP378X_DEVB_MMC0_WRITE_PROTECT,
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};
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static struct spi_board_info spi_board_info[] __initdata = {
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#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
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{
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.modalias = "enc28j60",
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.max_speed_hz = 6 * 1000 * 1000,
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.bus_num = 1,
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.chip_select = 0,
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.platform_data = NULL,
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},
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#endif
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};
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static void __init stmp378x_dvb_init(void)
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{
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int ret;
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mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads,
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ARRAY_SIZE(stmp378x_dvb_pads));
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mx23_add_duart();
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mx23_add_auart0();
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mx23_add_rtc_stmp3xxx();
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/* power on mmc slot */
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ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER,
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GPIOF_OUT_INIT_LOW, "mmc0-slot-power");
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if (ret)
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pr_warn("could not power mmc (%d)\n", ret);
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mx23_add_mxs_mmc(0, &stmp378x_dvb_mmc_pdata);
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spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
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}
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static void __init stmp378x_dvb_timer_init(void)
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{
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mx23_clocks_init();
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}
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static struct sys_timer stmp378x_dvb_timer = {
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.init = stmp378x_dvb_timer_init,
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};
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MACHINE_START(STMP378X, "STMP378X")
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.map_io = mx23_map_io,
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.init_irq = mx23_init_irq,
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.init_machine = stmp378x_dvb_init,
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.timer = &stmp378x_dvb_timer,
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MACHINE_END
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