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/arch/arm/mach-mmp/teton_bga.c

https://github.com/AICP/kernel_google_msm
C | 92 lines | 61 code | 13 blank | 18 comment | 0 complexity | a2444b5bdab1ae625845c922fc843f81 MD5 | raw 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 <mark.brown314@gmail.com>
 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>
20#include <plat/pxa27x_keypad.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
33static unsigned long teton_bga_pin_config[] __initdata = {
34	/* UART1 */
35	GPIO107_UART1_TXD,
36	GPIO108_UART1_RXD,
37
38	/* Keypad */
39	GPIO109_KP_MKIN1,
40	GPIO110_KP_MKIN0,
41	GPIO111_KP_MKOUT7,
42	GPIO112_KP_MKOUT6,
43
44	/* I2C Bus */
45	GPIO105_CI2C_SDA,
46	GPIO106_CI2C_SCL,
47
48	/* RTC */
49	GPIO78_GPIO,
50};
51
52static 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
59static 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
67static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
68	{
69		I2C_BOARD_INFO("ds1337", 0x68),
70		.irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
71	},
72};
73
74static 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));
82	platform_device_register(&pxa168_device_gpio);
83}
84
85MACHINE_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,
92MACHINE_END