Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
teton_bga.c
Go to the documentation of this file.
1 /*
2  * linux/arch/arm/mach-mmp/teton_bga.c
3  *
4  * Support for the Marvell PXA168 Teton BGA Development Platform.
5  *
6  * Author: Mark F. Brown <[email protected]>
7  *
8  * This code is based on aspenite.c
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * publishhed by the Free Software Foundation.
13  */
14 
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17 #include <linux/platform_device.h>
18 #include <linux/gpio.h>
19 #include <linux/input.h>
21 #include <linux/i2c.h>
22 
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <mach/addr-map.h>
26 #include <mach/mfp-pxa168.h>
27 #include <mach/pxa168.h>
28 #include <mach/teton_bga.h>
29 #include <mach/irqs.h>
30 
31 #include "common.h"
32 
33 static unsigned long teton_bga_pin_config[] __initdata = {
34  /* UART1 */
37 
38  /* Keypad */
43 
44  /* I2C Bus */
47 
48  /* RTC */
50 };
51 
52 static unsigned int teton_bga_matrix_key_map[] = {
53  KEY(0, 6, KEY_ESC),
54  KEY(0, 7, KEY_ENTER),
55  KEY(1, 6, KEY_LEFT),
56  KEY(1, 7, KEY_RIGHT),
57 };
58 
59 static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
60  .matrix_key_rows = 2,
61  .matrix_key_cols = 8,
62  .matrix_key_map = teton_bga_matrix_key_map,
63  .matrix_key_map_size = ARRAY_SIZE(teton_bga_matrix_key_map),
64  .debounce_interval = 30,
65 };
66 
67 static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
68  {
69  I2C_BOARD_INFO("ds1337", 0x68),
71  },
72 };
73 
74 static void __init teton_bga_init(void)
75 {
76  mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
77 
78  /* on-chip devices */
79  pxa168_add_uart(1);
80  pxa168_add_keypad(&teton_bga_keypad_info);
81  pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
83 }
84 
85 MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
86  .map_io = mmp_map_io,
87  .nr_irqs = MMP_NR_IRQS,
88  .init_irq = pxa168_init_irq,
89  .timer = &pxa168_timer,
90  .init_machine = teton_bga_init,
91  .restart = pxa168_restart,