/* * 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; 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