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 "addr-map.h"
27 #include "mfp-pxa168.h"
28 #include "pxa168.h"
29 #include "teton_bga.h"
30 #include "irqs.h"
31
32 #include "common.h"
33
34 static 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
53 static struct pxa_gpio_platform_data pxa168_gpio_pdata = {
54 .irq_base = MMP_GPIO_TO_IRQ(0),
55 };
56
57 static 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
64 static 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
69 static 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
76 static 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
teton_bga_init(void)83 static 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
96 MACHINE_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,
103 MACHINE_END
104
