3 * Copyright (C) 2010 Eric BĂ©nard <eric@eukrea.com>
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/serial_8250.h>
16 #include <linux/i2c.h>
17 #include <linux/gpio.h>
19 #include <linux/interrupt.h>
20 #include <linux/irq.h>
21 #include <linux/fsl_devices.h>
22 #include <linux/i2c/tsc2007.h>
23 #include <linux/leds.h>
24 #include <linux/input/matrix_keypad.h>
26 #include <mach/common.h>
27 #include <mach/hardware.h>
28 #include <mach/imx-uart.h>
29 #include <mach/iomux-mx51.h>
31 #include <asm/mach/arch.h>
35 #define MBIMX51_TSC2007_GPIO (2*32 + 30)
36 #define MBIMX51_TSC2007_IRQ (MXC_INTERNAL_IRQS + MBIMX51_TSC2007_GPIO)
37 #define MBIMX51_LED0 (2*32 + 5)
38 #define MBIMX51_LED1 (2*32 + 6)
39 #define MBIMX51_LED2 (2*32 + 7)
40 #define MBIMX51_LED3 (2*32 + 8)
42 static struct gpio_led mbimx51_leds[] = {
45 .default_trigger = "heartbeat",
51 .default_trigger = "nand-disk",
57 .default_trigger = "mmc0",
63 .default_trigger = "default-on",
69 static struct gpio_led_platform_data mbimx51_leds_info = {
71 .num_leds = ARRAY_SIZE(mbimx51_leds),
74 static struct platform_device mbimx51_leds_gpio = {
78 .platform_data = &mbimx51_leds_info,
82 static struct platform_device *devices[] __initdata = {
86 static struct pad_desc mbimx51_pads[] = {
88 MX51_PAD_UART2_RXD__UART2_RXD,
89 MX51_PAD_UART2_TXD__UART2_TXD,
92 MX51_PAD_UART3_RXD__UART3_RXD,
93 MX51_PAD_UART3_TXD__UART3_TXD,
94 MX51_PAD_KEY_COL4__UART3_RTS,
95 MX51_PAD_KEY_COL5__UART3_CTS,
98 MX51_PAD_NANDF_D10__GPIO_3_30,
101 MX51_PAD_DISPB2_SER_DIN__GPIO_3_5,
102 MX51_PAD_DISPB2_SER_DIO__GPIO_3_6,
103 MX51_PAD_DISPB2_SER_CLK__GPIO_3_7,
104 MX51_PAD_DISPB2_SER_RS__GPIO_3_8,
107 MX51_PAD_KEY_ROW0__KEY_ROW0,
108 MX51_PAD_KEY_ROW1__KEY_ROW1,
109 MX51_PAD_KEY_ROW2__KEY_ROW2,
110 MX51_PAD_KEY_ROW3__KEY_ROW3,
111 MX51_PAD_KEY_COL0__KEY_COL0,
112 MX51_PAD_KEY_COL1__KEY_COL1,
113 MX51_PAD_KEY_COL2__KEY_COL2,
114 MX51_PAD_KEY_COL3__KEY_COL3,
117 static struct imxuart_platform_data uart_pdata = {
118 .flags = IMXUART_HAVE_RTSCTS,
121 static int mbimx51_keymap[] = {
135 KEY(2, 3, KEY_RIGHT),
140 KEY(3, 3, KEY_ENTER),
143 static struct matrix_keymap_data mbimx51_map_data = {
144 .keymap = mbimx51_keymap,
145 .keymap_size = ARRAY_SIZE(mbimx51_keymap),
148 static int tsc2007_get_pendown_state(void)
150 return !gpio_get_value(MBIMX51_TSC2007_GPIO);
153 struct tsc2007_platform_data tsc2007_data = {
156 .get_pendown_state = tsc2007_get_pendown_state,
159 static struct i2c_board_info mbimx51_i2c_devices[] = {
161 I2C_BOARD_INFO("tsc2007", 0x48),
162 .irq = MBIMX51_TSC2007_IRQ,
163 .platform_data = &tsc2007_data,
168 * baseboard initialization.
170 void __init eukrea_mbimx51_baseboard_init(void)
172 mxc_iomux_v3_setup_multiple_pads(mbimx51_pads,
173 ARRAY_SIZE(mbimx51_pads));
175 mxc_register_device(&mxc_uart_device1, NULL);
176 mxc_register_device(&mxc_uart_device2, &uart_pdata);
178 gpio_request(MBIMX51_LED0, "LED0");
179 gpio_direction_output(MBIMX51_LED0, 1);
180 gpio_free(MBIMX51_LED0);
181 gpio_request(MBIMX51_LED1, "LED1");
182 gpio_direction_output(MBIMX51_LED1, 1);
183 gpio_free(MBIMX51_LED1);
184 gpio_request(MBIMX51_LED2, "LED2");
185 gpio_direction_output(MBIMX51_LED2, 1);
186 gpio_free(MBIMX51_LED2);
187 gpio_request(MBIMX51_LED3, "LED3");
188 gpio_direction_output(MBIMX51_LED3, 1);
189 gpio_free(MBIMX51_LED3);
191 platform_add_devices(devices, ARRAY_SIZE(devices));
193 mxc_register_device(&mxc_keypad_device, &mbimx51_map_data);
195 gpio_request(MBIMX51_TSC2007_GPIO, "tsc2007_irq");
196 gpio_direction_input(MBIMX51_TSC2007_GPIO);
197 set_irq_type(MBIMX51_TSC2007_IRQ, IRQF_TRIGGER_FALLING);
198 i2c_register_board_info(1, mbimx51_i2c_devices,
199 ARRAY_SIZE(mbimx51_i2c_devices));