diff options
Diffstat (limited to 'arch/arm/mach-mxs/mach-tx28.c')
| -rw-r--r-- | arch/arm/mach-mxs/mach-tx28.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mach-tx28.c b/arch/arm/mach-mxs/mach-tx28.c new file mode 100644 index 00000000000..b65e3719cbc --- /dev/null +++ b/arch/arm/mach-mxs/mach-tx28.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2010 <LW@KARO-electronics.de> + * + * based on: mach-mx28_evk.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 + * version 2 as published by the Free Software Foundation + */ +#include <linux/kernel.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/i2c.h> + +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include <mach/common.h> +#include <mach/iomux-mx28.h> + +#include "devices-mx28.h" +#include "module-tx28.h" + +#define TX28_STK5_GPIO_LED MXS_GPIO_NR(4, 10) + +static const iomux_cfg_t tx28_stk5v3_pads[] __initconst = { + /* LED */ + MX28_PAD_ENET0_RXD3__GPIO_4_10 | + MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL, + + /* framebuffer */ +#define LCD_MODE (MXS_PAD_3V3 | MXS_PAD_4MA) + MX28_PAD_LCD_D00__LCD_D0 | LCD_MODE, + MX28_PAD_LCD_D01__LCD_D1 | LCD_MODE, + MX28_PAD_LCD_D02__LCD_D2 | LCD_MODE, + MX28_PAD_LCD_D03__LCD_D3 | LCD_MODE, + MX28_PAD_LCD_D04__LCD_D4 | LCD_MODE, + MX28_PAD_LCD_D05__LCD_D5 | LCD_MODE, + MX28_PAD_LCD_D06__LCD_D6 | LCD_MODE, + MX28_PAD_LCD_D07__LCD_D7 | LCD_MODE, + MX28_PAD_LCD_D08__LCD_D8 | LCD_MODE, + MX28_PAD_LCD_D09__LCD_D9 | LCD_MODE, + MX28_PAD_LCD_D10__LCD_D10 | LCD_MODE, + MX28_PAD_LCD_D11__LCD_D11 | LCD_MODE, + MX28_PAD_LCD_D12__LCD_D12 | LCD_MODE, + MX28_PAD_LCD_D13__LCD_D13 | LCD_MODE, + MX28_PAD_LCD_D14__LCD_D14 | LCD_MODE, + MX28_PAD_LCD_D15__LCD_D15 | LCD_MODE, + MX28_PAD_LCD_D16__LCD_D16 | LCD_MODE, + MX28_PAD_LCD_D17__LCD_D17 | LCD_MODE, + MX28_PAD_LCD_D18__LCD_D18 | LCD_MODE, + MX28_PAD_LCD_D19__LCD_D19 | LCD_MODE, + MX28_PAD_LCD_D20__LCD_D20 | LCD_MODE, + MX28_PAD_LCD_D21__LCD_D21 | LCD_MODE, + MX28_PAD_LCD_D22__LCD_D22 | LCD_MODE, + MX28_PAD_LCD_D23__LCD_D23 | LCD_MODE, + MX28_PAD_LCD_RD_E__LCD_VSYNC | LCD_MODE, + MX28_PAD_LCD_WR_RWN__LCD_HSYNC | LCD_MODE, + MX28_PAD_LCD_RS__LCD_DOTCLK | LCD_MODE, + MX28_PAD_LCD_CS__LCD_CS | LCD_MODE, + MX28_PAD_LCD_VSYNC__LCD_VSYNC | LCD_MODE, + MX28_PAD_LCD_HSYNC__LCD_HSYNC | LCD_MODE, + MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | LCD_MODE, + MX28_PAD_LCD_ENABLE__GPIO_1_31 | LCD_MODE, + MX28_PAD_LCD_RESET__GPIO_3_30 | LCD_MODE, + MX28_PAD_PWM0__PWM_0 | LCD_MODE, + + /* UART1 */ + MX28_PAD_AUART0_CTS__DUART_RX, + MX28_PAD_AUART0_RTS__DUART_TX, + MX28_PAD_AUART0_TX__DUART_RTS, + MX28_PAD_AUART0_RX__DUART_CTS, + + /* UART2 */ + MX28_PAD_AUART1_RX__AUART1_RX, + MX28_PAD_AUART1_TX__AUART1_TX, + MX28_PAD_AUART1_RTS__AUART1_RTS, + MX28_PAD_AUART1_CTS__AUART1_CTS, + + /* CAN */ + MX28_PAD_GPMI_RDY2__CAN0_TX, + MX28_PAD_GPMI_RDY3__CAN0_RX, + + /* I2C */ + MX28_PAD_I2C0_SCL__I2C0_SCL, + MX28_PAD_I2C0_SDA__I2C0_SDA, + + /* TSC2007 */ + MX28_PAD_SAIF0_MCLK__GPIO_3_20 | MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP, + + /* MMC0 */ + MX28_PAD_SSP0_DATA0__SSP0_D0 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA1__SSP0_D1 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA2__SSP0_D2 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA3__SSP0_D3 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA4__SSP0_D4 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA5__SSP0_D5 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA6__SSP0_D6 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DATA7__SSP0_D7 | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_CMD__SSP0_CMD | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + MX28_PAD_SSP0_SCK__SSP0_SCK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), +}; + +static struct gpio_led tx28_stk5v3_leds[] = { + { + .name = "GPIO-LED", + .default_trigger = "heartbeat", + .gpio = TX28_STK5_GPIO_LED, + }, +}; + +static const struct gpio_led_platform_data tx28_stk5v3_led_data __initconst = { + .leds = tx28_stk5v3_leds, + .num_leds = ARRAY_SIZE(tx28_stk5v3_leds), +}; + +static struct spi_board_info tx28_spi_board_info[] = { + { + .modalias = "spidev", + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 1, + .controller_data = (void *)SPI_GPIO_NO_CHIPSELECT, + .mode = SPI_MODE_0, + }, +}; + +static struct i2c_board_info tx28_stk5v3_i2c_boardinfo[] __initdata = { + { + I2C_BOARD_INFO("ds1339", 0x68), + }, +}; + +static void __init tx28_stk5v3_init(void) +{ + mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads, + ARRAY_SIZE(tx28_stk5v3_pads)); + + mx28_add_duart(); /* UART1 */ + mx28_add_auart(1); /* UART2 */ + + tx28_add_fec0(); + /* spi via ssp will be added when available */ + spi_register_board_info(tx28_spi_board_info, + ARRAY_SIZE(tx28_spi_board_info)); + mxs_add_platform_device("leds-gpio", 0, NULL, 0, + &tx28_stk5v3_led_data, sizeof(tx28_stk5v3_led_data)); + mx28_add_mxs_i2c(0); + i2c_register_board_info(0, tx28_stk5v3_i2c_boardinfo, + ARRAY_SIZE(tx28_stk5v3_i2c_boardinfo)); +} + +static void __init tx28_timer_init(void) +{ + mx28_clocks_init(); +} + +static struct sys_timer tx28_timer = { + .init = tx28_timer_init, +}; + +MACHINE_START(TX28, "Ka-Ro electronics TX28 module") + .map_io = mx28_map_io, + .init_irq = mx28_init_irq, + .init_machine = tx28_stk5v3_init, + .timer = &tx28_timer, +MACHINE_END |