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Diffstat (limited to 'arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c')
-rw-r--r--arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
new file mode 100644
index 00000000000..ffa93d1d6ef
--- /dev/null
+++ b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c
@@ -0,0 +1,200 @@
1/*
2 *
3 * Copyright (C) 2010 Eric Bénard <eric@eukrea.com>
4 *
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:
8 *
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
11 */
12
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>
18#include <linux/io.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>
25
26#include <mach/common.h>
27#include <mach/hardware.h>
28#include <mach/imx-uart.h>
29#include <mach/iomux-mx51.h>
30
31#include <asm/mach/arch.h>
32
33#include "devices.h"
34
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)
41
42static struct gpio_led mbimx51_leds[] = {
43 {
44 .name = "led0",
45 .default_trigger = "heartbeat",
46 .active_low = 1,
47 .gpio = MBIMX51_LED0,
48 },
49 {
50 .name = "led1",
51 .default_trigger = "nand-disk",
52 .active_low = 1,
53 .gpio = MBIMX51_LED1,
54 },
55 {
56 .name = "led2",
57 .default_trigger = "mmc0",
58 .active_low = 1,
59 .gpio = MBIMX51_LED2,
60 },
61 {
62 .name = "led3",
63 .default_trigger = "default-on",
64 .active_low = 1,
65 .gpio = MBIMX51_LED3,
66 },
67};
68
69static struct gpio_led_platform_data mbimx51_leds_info = {
70 .leds = mbimx51_leds,
71 .num_leds = ARRAY_SIZE(mbimx51_leds),
72};
73
74static struct platform_device mbimx51_leds_gpio = {
75 .name = "leds-gpio",
76 .id = -1,
77 .dev = {
78 .platform_data = &mbimx51_leds_info,
79 },
80};
81
82static struct platform_device *devices[] __initdata = {
83 &mbimx51_leds_gpio,
84};
85
86static struct pad_desc mbimx51_pads[] = {
87 /* UART2 */
88 MX51_PAD_UART2_RXD__UART2_RXD,
89 MX51_PAD_UART2_TXD__UART2_TXD,
90
91 /* UART3 */
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,
96
97 /* TSC2007 IRQ */
98 MX51_PAD_NANDF_D10__GPIO_3_30,
99
100 /* LEDS */
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,
105
106 /* KPP */
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,
115};
116
117static struct imxuart_platform_data uart_pdata = {
118 .flags = IMXUART_HAVE_RTSCTS,
119};
120
121static int mbimx51_keymap[] = {
122 KEY(0, 0, KEY_1),
123 KEY(0, 1, KEY_2),
124 KEY(0, 2, KEY_3),
125 KEY(0, 3, KEY_UP),
126
127 KEY(1, 0, KEY_4),
128 KEY(1, 1, KEY_5),
129 KEY(1, 2, KEY_6),
130 KEY(1, 3, KEY_LEFT),
131
132 KEY(2, 0, KEY_7),
133 KEY(2, 1, KEY_8),
134 KEY(2, 2, KEY_9),
135 KEY(2, 3, KEY_RIGHT),
136
137 KEY(3, 0, KEY_0),
138 KEY(3, 1, KEY_DOWN),
139 KEY(3, 2, KEY_ESC),
140 KEY(3, 3, KEY_ENTER),
141};
142
143static struct matrix_keymap_data mbimx51_map_data = {
144 .keymap = mbimx51_keymap,
145 .keymap_size = ARRAY_SIZE(mbimx51_keymap),
146};
147
148static int tsc2007_get_pendown_state(void)
149{
150 return !gpio_get_value(MBIMX51_TSC2007_GPIO);
151}
152
153struct tsc2007_platform_data tsc2007_data = {
154 .model = 2007,
155 .x_plate_ohms = 180,
156 .get_pendown_state = tsc2007_get_pendown_state,
157};
158
159static struct i2c_board_info mbimx51_i2c_devices[] = {
160 {
161 I2C_BOARD_INFO("tsc2007", 0x48),
162 .irq = MBIMX51_TSC2007_IRQ,
163 .platform_data = &tsc2007_data,
164 },
165};
166
167/*
168 * baseboard initialization.
169 */
170void __init eukrea_mbimx51_baseboard_init(void)
171{
172 mxc_iomux_v3_setup_multiple_pads(mbimx51_pads,
173 ARRAY_SIZE(mbimx51_pads));
174
175 mxc_register_device(&mxc_uart_device1, NULL);
176 mxc_register_device(&mxc_uart_device2, &uart_pdata);
177
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);
190
191 platform_add_devices(devices, ARRAY_SIZE(devices));
192
193 mxc_register_device(&mxc_keypad_device, &mbimx51_map_data);
194
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));
200}
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