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/gpio-pxa.h>
20#include <linux/input.h>
21#include <linux/platform_data/keypad-pxa27x.h>
22#include <linux/i2c.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <mach/addr-map.h>
27#include <mach/mfp-pxa168.h>
28#include <mach/pxa168.h>
29#include <mach/teton_bga.h>
30#include <mach/irqs.h>
31
32#include "common.h"
33
34static unsigned long teton_bga_pin_config[] __initdata = {
35	/* UART1 */
36	GPIO107_UART1_TXD,
37	GPIO108_UART1_RXD,
38
39	/* Keypad */
40	GPIO109_KP_MKIN1,
41	GPIO110_KP_MKIN0,
42	GPIO111_KP_MKOUT7,
43	GPIO112_KP_MKOUT6,
44
45	/* I2C Bus */
46	GPIO105_CI2C_SDA,
47	GPIO106_CI2C_SCL,
48
49	/* RTC */
50	GPIO78_GPIO,
51};
52
53static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
54	.irq_base	= MMP_GPIO_TO_IRQ(0),
55};
56
57static unsigned int teton_bga_matrix_key_map[] = {
58	KEY(0, 6, KEY_ESC),
59	KEY(0, 7, KEY_ENTER),
60	KEY(1, 6, KEY_LEFT),
61	KEY(1, 7, KEY_RIGHT),
62};
63
64static struct matrix_keymap_data teton_bga_matrix_keymap_data = {
65	.keymap			= teton_bga_matrix_key_map,
66	.keymap_size		= ARRAY_SIZE(teton_bga_matrix_key_map),
67};
68
69static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
70	.matrix_key_rows        = 2,
71	.matrix_key_cols        = 8,
72	.matrix_keymap_data	= &teton_bga_matrix_keymap_data,
73	.debounce_interval      = 30,
74};
75
76static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
77	{
78		I2C_BOARD_INFO("ds1337", 0x68),
79		.irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
80	},
81};
82
83static void __init teton_bga_init(void)
84{
85	mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config));
86
87	/* on-chip devices */
88	pxa168_add_uart(1);
89	pxa168_add_keypad(&teton_bga_keypad_info);
90	pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
91	platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
92				 sizeof(struct pxa_gpio_platform_data));
93	platform_device_register(&pxa168_device_gpio);
94}
95
96MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
97	.map_io		= mmp_map_io,
98	.nr_irqs	= MMP_NR_IRQS,
99	.init_irq       = pxa168_init_irq,
100	.init_time	= pxa168_timer_init,
101	.init_machine   = teton_bga_init,
102	.restart	= pxa168_restart,
103MACHINE_END
104