2010-07-23 22:11:19 +08:00
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/*
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*
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* Copyright (C) 2010 Eric Bénard <eric@eukrea.com>
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/serial_8250.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/i2c/tsc2007.h>
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#include <linux/leds.h>
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#include <mach/common.h>
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#include <mach/hardware.h>
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#include <mach/iomux-mx51.h>
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#include <asm/mach/arch.h>
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2010-08-12 04:23:06 +08:00
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#include "devices-imx51.h"
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2010-07-23 22:11:19 +08:00
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#include "devices.h"
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2010-11-26 22:20:52 +08:00
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#define MBIMX51_TSC2007_GPIO IMX_GPIO_NR(3, 30)
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2010-07-23 22:11:19 +08:00
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#define MBIMX51_TSC2007_IRQ (MXC_INTERNAL_IRQS + MBIMX51_TSC2007_GPIO)
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2010-11-26 22:20:52 +08:00
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#define MBIMX51_LED0 IMX_GPIO_NR(3, 5)
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#define MBIMX51_LED1 IMX_GPIO_NR(3, 6)
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#define MBIMX51_LED2 IMX_GPIO_NR(3, 7)
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#define MBIMX51_LED3 IMX_GPIO_NR(3, 8)
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2010-07-23 22:11:19 +08:00
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static struct gpio_led mbimx51_leds[] = {
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{
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.name = "led0",
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.default_trigger = "heartbeat",
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.active_low = 1,
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.gpio = MBIMX51_LED0,
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},
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{
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.name = "led1",
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.default_trigger = "nand-disk",
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.active_low = 1,
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.gpio = MBIMX51_LED1,
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},
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{
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.name = "led2",
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.default_trigger = "mmc0",
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.active_low = 1,
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.gpio = MBIMX51_LED2,
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},
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{
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.name = "led3",
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.default_trigger = "default-on",
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.active_low = 1,
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.gpio = MBIMX51_LED3,
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},
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};
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static struct gpio_led_platform_data mbimx51_leds_info = {
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.leds = mbimx51_leds,
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.num_leds = ARRAY_SIZE(mbimx51_leds),
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};
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static struct platform_device mbimx51_leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &mbimx51_leds_info,
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},
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};
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static struct platform_device *devices[] __initdata = {
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&mbimx51_leds_gpio,
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};
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2010-10-26 20:28:31 +08:00
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static iomux_v3_cfg_t mbimx51_pads[] = {
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2010-07-23 22:11:19 +08:00
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/* UART2 */
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MX51_PAD_UART2_RXD__UART2_RXD,
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MX51_PAD_UART2_TXD__UART2_TXD,
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/* UART3 */
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MX51_PAD_UART3_RXD__UART3_RXD,
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MX51_PAD_UART3_TXD__UART3_TXD,
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MX51_PAD_KEY_COL4__UART3_RTS,
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MX51_PAD_KEY_COL5__UART3_CTS,
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/* TSC2007 IRQ */
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2010-12-15 16:56:35 +08:00
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MX51_PAD_NANDF_D10__GPIO3_30,
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2010-07-23 22:11:19 +08:00
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/* LEDS */
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2010-12-15 16:56:35 +08:00
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MX51_PAD_DISPB2_SER_DIN__GPIO3_5,
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MX51_PAD_DISPB2_SER_DIO__GPIO3_6,
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MX51_PAD_DISPB2_SER_CLK__GPIO3_7,
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MX51_PAD_DISPB2_SER_RS__GPIO3_8,
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2010-07-23 22:11:19 +08:00
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/* KPP */
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MX51_PAD_KEY_ROW0__KEY_ROW0,
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MX51_PAD_KEY_ROW1__KEY_ROW1,
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MX51_PAD_KEY_ROW2__KEY_ROW2,
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MX51_PAD_KEY_ROW3__KEY_ROW3,
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MX51_PAD_KEY_COL0__KEY_COL0,
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MX51_PAD_KEY_COL1__KEY_COL1,
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MX51_PAD_KEY_COL2__KEY_COL2,
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MX51_PAD_KEY_COL3__KEY_COL3,
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2010-10-12 22:29:20 +08:00
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/* SD 1 */
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MX51_PAD_SD1_CMD__SD1_CMD,
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MX51_PAD_SD1_CLK__SD1_CLK,
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MX51_PAD_SD1_DATA0__SD1_DATA0,
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MX51_PAD_SD1_DATA1__SD1_DATA1,
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MX51_PAD_SD1_DATA2__SD1_DATA2,
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MX51_PAD_SD1_DATA3__SD1_DATA3,
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/* SD 2 */
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MX51_PAD_SD2_CMD__SD2_CMD,
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MX51_PAD_SD2_CLK__SD2_CLK,
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MX51_PAD_SD2_DATA0__SD2_DATA0,
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MX51_PAD_SD2_DATA1__SD2_DATA1,
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MX51_PAD_SD2_DATA2__SD2_DATA2,
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MX51_PAD_SD2_DATA3__SD2_DATA3,
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2010-07-23 22:11:19 +08:00
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};
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2010-08-12 04:23:06 +08:00
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static const struct imxuart_platform_data uart_pdata __initconst = {
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2010-07-23 22:11:19 +08:00
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static int mbimx51_keymap[] = {
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KEY(0, 0, KEY_1),
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KEY(0, 1, KEY_2),
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KEY(0, 2, KEY_3),
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KEY(0, 3, KEY_UP),
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KEY(1, 0, KEY_4),
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KEY(1, 1, KEY_5),
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KEY(1, 2, KEY_6),
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KEY(1, 3, KEY_LEFT),
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KEY(2, 0, KEY_7),
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KEY(2, 1, KEY_8),
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KEY(2, 2, KEY_9),
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KEY(2, 3, KEY_RIGHT),
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KEY(3, 0, KEY_0),
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KEY(3, 1, KEY_DOWN),
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KEY(3, 2, KEY_ESC),
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KEY(3, 3, KEY_ENTER),
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};
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2010-12-01 21:11:47 +08:00
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static const struct matrix_keymap_data mbimx51_map_data __initconst = {
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2010-07-23 22:11:19 +08:00
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.keymap = mbimx51_keymap,
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.keymap_size = ARRAY_SIZE(mbimx51_keymap),
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};
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static int tsc2007_get_pendown_state(void)
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{
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return !gpio_get_value(MBIMX51_TSC2007_GPIO);
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}
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struct tsc2007_platform_data tsc2007_data = {
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.model = 2007,
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.x_plate_ohms = 180,
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.get_pendown_state = tsc2007_get_pendown_state,
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};
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static struct i2c_board_info mbimx51_i2c_devices[] = {
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{
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2010-10-12 22:29:20 +08:00
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I2C_BOARD_INFO("tsc2007", 0x49),
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2010-07-23 22:11:19 +08:00
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.irq = MBIMX51_TSC2007_IRQ,
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.platform_data = &tsc2007_data,
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2010-10-12 22:29:20 +08:00
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}, {
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I2C_BOARD_INFO("tlv320aic23", 0x1a),
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2010-07-23 22:11:19 +08:00
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},
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};
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/*
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* baseboard initialization.
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*/
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void __init eukrea_mbimx51_baseboard_init(void)
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{
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mxc_iomux_v3_setup_multiple_pads(mbimx51_pads,
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ARRAY_SIZE(mbimx51_pads));
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2010-08-12 04:23:06 +08:00
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imx51_add_imx_uart(1, NULL);
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imx51_add_imx_uart(2, &uart_pdata);
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2010-07-23 22:11:19 +08:00
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gpio_request(MBIMX51_LED0, "LED0");
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gpio_direction_output(MBIMX51_LED0, 1);
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gpio_free(MBIMX51_LED0);
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gpio_request(MBIMX51_LED1, "LED1");
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gpio_direction_output(MBIMX51_LED1, 1);
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gpio_free(MBIMX51_LED1);
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gpio_request(MBIMX51_LED2, "LED2");
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gpio_direction_output(MBIMX51_LED2, 1);
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gpio_free(MBIMX51_LED2);
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gpio_request(MBIMX51_LED3, "LED3");
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gpio_direction_output(MBIMX51_LED3, 1);
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gpio_free(MBIMX51_LED3);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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2010-12-01 21:11:47 +08:00
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imx51_add_imx_keypad(&mbimx51_map_data);
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2010-07-23 22:11:19 +08:00
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gpio_request(MBIMX51_TSC2007_GPIO, "tsc2007_irq");
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gpio_direction_input(MBIMX51_TSC2007_GPIO);
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2011-03-24 20:25:22 +08:00
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irq_set_irq_type(MBIMX51_TSC2007_IRQ, IRQF_TRIGGER_FALLING);
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2010-07-23 22:11:19 +08:00
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i2c_register_board_info(1, mbimx51_i2c_devices,
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ARRAY_SIZE(mbimx51_i2c_devices));
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2010-10-12 22:29:20 +08:00
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2010-11-20 04:03:33 +08:00
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imx51_add_sdhci_esdhc_imx(0, NULL);
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imx51_add_sdhci_esdhc_imx(1, NULL);
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2010-07-23 22:11:19 +08:00
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}
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