diff options
Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimx51-baseboard.c')
| -rw-r--r-- | arch/arm/mach-imx/eukrea_mbimx51-baseboard.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimx51-baseboard.c b/arch/arm/mach-imx/eukrea_mbimx51-baseboard.c new file mode 100644 index 00000000000..a6a3ab8f1b1 --- /dev/null +++ b/arch/arm/mach-imx/eukrea_mbimx51-baseboard.c @@ -0,0 +1,206 @@ +/* + * + * Copyright (C) 2010 Eric Bénard <eric@eukrea.com> + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/i2c/tsc2007.h> +#include <linux/leds.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/iomux-mx51.h> + +#include <asm/mach/arch.h> + +#include "devices-imx51.h" + +#define MBIMX51_TSC2007_GPIO IMX_GPIO_NR(3, 30) +#define MBIMX51_LED0 IMX_GPIO_NR(3, 5) +#define MBIMX51_LED1 IMX_GPIO_NR(3, 6) +#define MBIMX51_LED2 IMX_GPIO_NR(3, 7) +#define MBIMX51_LED3 IMX_GPIO_NR(3, 8) + +static const struct gpio_led mbimx51_leds[] __initconst = { + { + .name = "led0", + .default_trigger = "heartbeat", + .active_low = 1, + .gpio = MBIMX51_LED0, + }, + { + .name = "led1", + .default_trigger = "nand-disk", + .active_low = 1, + .gpio = MBIMX51_LED1, + }, + { + .name = "led2", + .default_trigger = "mmc0", + .active_low = 1, + .gpio = MBIMX51_LED2, + }, + { + .name = "led3", + .default_trigger = "default-on", + .active_low = 1, + .gpio = MBIMX51_LED3, + }, +}; + +static const struct gpio_led_platform_data mbimx51_leds_info __initconst = { + .leds = mbimx51_leds, + .num_leds = ARRAY_SIZE(mbimx51_leds), +}; + +static iomux_v3_cfg_t mbimx51_pads[] = { + /* UART2 */ + MX51_PAD_UART2_RXD__UART2_RXD, + MX51_PAD_UART2_TXD__UART2_TXD, + + /* UART3 */ + MX51_PAD_UART3_RXD__UART3_RXD, + MX51_PAD_UART3_TXD__UART3_TXD, + MX51_PAD_KEY_COL4__UART3_RTS, + MX51_PAD_KEY_COL5__UART3_CTS, + + /* TSC2007 IRQ */ + MX51_PAD_NANDF_D10__GPIO3_30, + + /* LEDS */ + MX51_PAD_DISPB2_SER_DIN__GPIO3_5, + MX51_PAD_DISPB2_SER_DIO__GPIO3_6, + MX51_PAD_DISPB2_SER_CLK__GPIO3_7, + MX51_PAD_DISPB2_SER_RS__GPIO3_8, + + /* KPP */ + MX51_PAD_KEY_ROW0__KEY_ROW0, + MX51_PAD_KEY_ROW1__KEY_ROW1, + MX51_PAD_KEY_ROW2__KEY_ROW2, + MX51_PAD_KEY_ROW3__KEY_ROW3, + MX51_PAD_KEY_COL0__KEY_COL0, + MX51_PAD_KEY_COL1__KEY_COL1, + MX51_PAD_KEY_COL2__KEY_COL2, + MX51_PAD_KEY_COL3__KEY_COL3, + + /* SD 1 */ + MX51_PAD_SD1_CMD__SD1_CMD, + MX51_PAD_SD1_CLK__SD1_CLK, + MX51_PAD_SD1_DATA0__SD1_DATA0, + MX51_PAD_SD1_DATA1__SD1_DATA1, + MX51_PAD_SD1_DATA2__SD1_DATA2, + MX51_PAD_SD1_DATA3__SD1_DATA3, + + /* SD 2 */ + MX51_PAD_SD2_CMD__SD2_CMD, + MX51_PAD_SD2_CLK__SD2_CLK, + MX51_PAD_SD2_DATA0__SD2_DATA0, + MX51_PAD_SD2_DATA1__SD2_DATA1, + MX51_PAD_SD2_DATA2__SD2_DATA2, + MX51_PAD_SD2_DATA3__SD2_DATA3, +}; + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static int mbimx51_keymap[] = { + KEY(0, 0, KEY_1), + KEY(0, 1, KEY_2), + KEY(0, 2, KEY_3), + KEY(0, 3, KEY_UP), + + KEY(1, 0, KEY_4), + KEY(1, 1, KEY_5), + KEY(1, 2, KEY_6), + KEY(1, 3, KEY_LEFT), + + KEY(2, 0, KEY_7), + KEY(2, 1, KEY_8), + KEY(2, 2, KEY_9), + KEY(2, 3, KEY_RIGHT), + + KEY(3, 0, KEY_0), + KEY(3, 1, KEY_DOWN), + KEY(3, 2, KEY_ESC), + KEY(3, 3, KEY_ENTER), +}; + +static const struct matrix_keymap_data mbimx51_map_data __initconst = { + .keymap = mbimx51_keymap, + .keymap_size = ARRAY_SIZE(mbimx51_keymap), +}; + +static int tsc2007_get_pendown_state(void) +{ + return !gpio_get_value(MBIMX51_TSC2007_GPIO); +} + +struct tsc2007_platform_data tsc2007_data = { + .model = 2007, + .x_plate_ohms = 180, + .get_pendown_state = tsc2007_get_pendown_state, +}; + +static struct i2c_board_info mbimx51_i2c_devices[] = { + { + I2C_BOARD_INFO("tsc2007", 0x49), + .irq = IMX_GPIO_TO_IRQ(MBIMX51_TSC2007_GPIO), + .platform_data = &tsc2007_data, + }, { + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, +}; + +/* + * baseboard initialization. + */ +void __init eukrea_mbimx51_baseboard_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mbimx51_pads, + ARRAY_SIZE(mbimx51_pads)); + + imx51_add_imx_uart(1, NULL); + imx51_add_imx_uart(2, &uart_pdata); + + gpio_request(MBIMX51_LED0, "LED0"); + gpio_direction_output(MBIMX51_LED0, 1); + gpio_free(MBIMX51_LED0); + gpio_request(MBIMX51_LED1, "LED1"); + gpio_direction_output(MBIMX51_LED1, 1); + gpio_free(MBIMX51_LED1); + gpio_request(MBIMX51_LED2, "LED2"); + gpio_direction_output(MBIMX51_LED2, 1); + gpio_free(MBIMX51_LED2); + gpio_request(MBIMX51_LED3, "LED3"); + gpio_direction_output(MBIMX51_LED3, 1); + gpio_free(MBIMX51_LED3); + + gpio_led_register_device(-1, &mbimx51_leds_info); + + imx51_add_imx_keypad(&mbimx51_map_data); + + gpio_request(MBIMX51_TSC2007_GPIO, "tsc2007_irq"); + gpio_direction_input(MBIMX51_TSC2007_GPIO); + irq_set_irq_type(gpio_to_irq(MBIMX51_TSC2007_GPIO), + IRQF_TRIGGER_FALLING); + i2c_register_board_info(1, mbimx51_i2c_devices, + ARRAY_SIZE(mbimx51_i2c_devices)); + + imx51_add_sdhci_esdhc_imx(0, NULL); + imx51_add_sdhci_esdhc_imx(1, NULL); +} |