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[deliverable/linux.git] / arch / arm / mach-mmp / teton_bga.c
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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>
b8f649f1 19#include <linux/gpio-pxa.h>
d2ce6973 20#include <linux/input.h>
293b2da1 21#include <linux/platform_data/keypad-pxa27x.h>
759305c6 22#include <linux/i2c.h>
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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>
8661fb92 30#include <mach/irqs.h>
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31
32#include "common.h"
33
34static unsigned long teton_bga_pin_config[] __initdata = {
35 /* UART1 */
36 GPIO107_UART1_TXD,
37 GPIO108_UART1_RXD,
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38
39 /* Keypad */
40 GPIO109_KP_MKIN1,
41 GPIO110_KP_MKIN0,
42 GPIO111_KP_MKOUT7,
43 GPIO112_KP_MKOUT6,
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44
45 /* I2C Bus */
46 GPIO105_CI2C_SDA,
47 GPIO106_CI2C_SCL,
48
49 /* RTC */
50 GPIO78_GPIO,
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51};
52
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53static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
54 .irq_base = MMP_GPIO_TO_IRQ(0),
55};
56
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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
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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
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69static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
70 .matrix_key_rows = 2,
71 .matrix_key_cols = 8,
0a085a94 72 .matrix_keymap_data = &teton_bga_matrix_keymap_data,
d2ce6973 73 .debounce_interval = 30,
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74};
75
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76static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
77 {
78 I2C_BOARD_INFO("ds1337", 0x68),
4929f5a8 79 .irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
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80 },
81};
82
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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);
d2ce6973 89 pxa168_add_keypad(&teton_bga_keypad_info);
759305c6 90 pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
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91 platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata,
92 sizeof(struct pxa_gpio_platform_data));
157d2644 93 platform_device_register(&pxa168_device_gpio);
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94}
95
96MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
1bbd7089 97 .map_io = mmp_map_io,
8661fb92 98 .nr_irqs = MMP_NR_IRQS,
1bbd7089 99 .init_irq = pxa168_init_irq,
6bb27d73 100 .init_time = pxa168_timer_init,
1bbd7089 101 .init_machine = teton_bga_init,
9854a38e 102 .restart = pxa168_restart,
1bbd7089 103MACHINE_END
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