97ea3da204
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
180 lines
5 KiB
C
180 lines
5 KiB
C
/*
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* Copyright (C) 2010 <LW@KARO-electronics.de>
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*
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* based on: mach-mx28_evk.c
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* Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation
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*/
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#include <linux/kernel.h>
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#include <linux/gpio.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/spi_gpio.h>
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#include <linux/i2c.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-mx28.h>
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#include "devices-mx28.h"
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#include "module-tx28.h"
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#define TX28_STK5_GPIO_LED MXS_GPIO_NR(4, 10)
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static const iomux_cfg_t tx28_stk5v3_pads[] __initconst = {
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/* LED */
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MX28_PAD_ENET0_RXD3__GPIO_4_10 |
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MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL,
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/* framebuffer */
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#define LCD_MODE (MXS_PAD_3V3 | MXS_PAD_4MA)
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MX28_PAD_LCD_D00__LCD_D0 | LCD_MODE,
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MX28_PAD_LCD_D01__LCD_D1 | LCD_MODE,
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MX28_PAD_LCD_D02__LCD_D2 | LCD_MODE,
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MX28_PAD_LCD_D03__LCD_D3 | LCD_MODE,
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MX28_PAD_LCD_D04__LCD_D4 | LCD_MODE,
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MX28_PAD_LCD_D05__LCD_D5 | LCD_MODE,
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MX28_PAD_LCD_D06__LCD_D6 | LCD_MODE,
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MX28_PAD_LCD_D07__LCD_D7 | LCD_MODE,
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MX28_PAD_LCD_D08__LCD_D8 | LCD_MODE,
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MX28_PAD_LCD_D09__LCD_D9 | LCD_MODE,
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MX28_PAD_LCD_D10__LCD_D10 | LCD_MODE,
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MX28_PAD_LCD_D11__LCD_D11 | LCD_MODE,
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MX28_PAD_LCD_D12__LCD_D12 | LCD_MODE,
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MX28_PAD_LCD_D13__LCD_D13 | LCD_MODE,
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MX28_PAD_LCD_D14__LCD_D14 | LCD_MODE,
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MX28_PAD_LCD_D15__LCD_D15 | LCD_MODE,
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MX28_PAD_LCD_D16__LCD_D16 | LCD_MODE,
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MX28_PAD_LCD_D17__LCD_D17 | LCD_MODE,
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MX28_PAD_LCD_D18__LCD_D18 | LCD_MODE,
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MX28_PAD_LCD_D19__LCD_D19 | LCD_MODE,
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MX28_PAD_LCD_D20__LCD_D20 | LCD_MODE,
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MX28_PAD_LCD_D21__LCD_D21 | LCD_MODE,
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MX28_PAD_LCD_D22__LCD_D22 | LCD_MODE,
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MX28_PAD_LCD_D23__LCD_D23 | LCD_MODE,
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MX28_PAD_LCD_RD_E__LCD_VSYNC | LCD_MODE,
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MX28_PAD_LCD_WR_RWN__LCD_HSYNC | LCD_MODE,
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MX28_PAD_LCD_RS__LCD_DOTCLK | LCD_MODE,
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MX28_PAD_LCD_CS__LCD_CS | LCD_MODE,
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MX28_PAD_LCD_VSYNC__LCD_VSYNC | LCD_MODE,
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MX28_PAD_LCD_HSYNC__LCD_HSYNC | LCD_MODE,
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MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | LCD_MODE,
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MX28_PAD_LCD_ENABLE__GPIO_1_31 | LCD_MODE,
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MX28_PAD_LCD_RESET__GPIO_3_30 | LCD_MODE,
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MX28_PAD_PWM0__PWM_0 | LCD_MODE,
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/* UART1 */
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MX28_PAD_AUART0_CTS__DUART_RX,
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MX28_PAD_AUART0_RTS__DUART_TX,
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MX28_PAD_AUART0_TX__DUART_RTS,
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MX28_PAD_AUART0_RX__DUART_CTS,
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/* UART2 */
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MX28_PAD_AUART1_RX__AUART1_RX,
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MX28_PAD_AUART1_TX__AUART1_TX,
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MX28_PAD_AUART1_RTS__AUART1_RTS,
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MX28_PAD_AUART1_CTS__AUART1_CTS,
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/* CAN */
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MX28_PAD_GPMI_RDY2__CAN0_TX,
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MX28_PAD_GPMI_RDY3__CAN0_RX,
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/* I2C */
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MX28_PAD_I2C0_SCL__I2C0_SCL,
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MX28_PAD_I2C0_SDA__I2C0_SDA,
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/* TSC2007 */
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MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP,
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/* MMC0 */
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MX28_PAD_SSP0_DATA0__SSP0_D0 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX28_PAD_SSP0_DATA1__SSP0_D1 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX28_PAD_SSP0_DATA2__SSP0_D2 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX28_PAD_SSP0_DATA3__SSP0_D3 |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX28_PAD_SSP0_CMD__SSP0_CMD |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
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MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
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(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
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MX28_PAD_SSP0_SCK__SSP0_SCK |
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(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
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};
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static const struct gpio_led tx28_stk5v3_leds[] __initconst = {
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{
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.name = "GPIO-LED",
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.default_trigger = "heartbeat",
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.gpio = TX28_STK5_GPIO_LED,
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},
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};
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static const struct gpio_led_platform_data tx28_stk5v3_led_data __initconst = {
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.leds = tx28_stk5v3_leds,
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.num_leds = ARRAY_SIZE(tx28_stk5v3_leds),
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};
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static struct spi_board_info tx28_spi_board_info[] = {
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{
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.modalias = "spidev",
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.max_speed_hz = 20000000,
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.bus_num = 0,
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.chip_select = 1,
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.controller_data = (void *)SPI_GPIO_NO_CHIPSELECT,
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.mode = SPI_MODE_0,
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},
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};
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static struct i2c_board_info tx28_stk5v3_i2c_boardinfo[] __initdata = {
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{
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I2C_BOARD_INFO("ds1339", 0x68),
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},
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};
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static struct mxs_mmc_platform_data tx28_mmc0_pdata __initdata = {
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.wp_gpio = -EINVAL,
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.flags = SLOTF_4_BIT_CAPABLE,
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};
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static void __init tx28_stk5v3_init(void)
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{
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mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads,
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ARRAY_SIZE(tx28_stk5v3_pads));
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mx28_add_duart(); /* UART1 */
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mx28_add_auart(1); /* UART2 */
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tx28_add_fec0();
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/* spi via ssp will be added when available */
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spi_register_board_info(tx28_spi_board_info,
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ARRAY_SIZE(tx28_spi_board_info));
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gpio_led_register_device(0, &tx28_stk5v3_led_data);
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mx28_add_mxs_i2c(0);
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i2c_register_board_info(0, tx28_stk5v3_i2c_boardinfo,
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ARRAY_SIZE(tx28_stk5v3_i2c_boardinfo));
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mx28_add_mxs_mmc(0, &tx28_mmc0_pdata);
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}
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static void __init tx28_timer_init(void)
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{
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mx28_clocks_init();
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}
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static struct sys_timer tx28_timer = {
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.init = tx28_timer_init,
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};
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MACHINE_START(TX28, "Ka-Ro electronics TX28 module")
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.map_io = mx28_map_io,
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.init_irq = mx28_init_irq,
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.init_machine = tx28_stk5v3_init,
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.timer = &tx28_timer,
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MACHINE_END
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