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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> | |
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19 | #include <linux/input.h> |
20 | #include <plat/pxa27x_keypad.h> | |
759305c6 | 21 | #include <linux/i2c.h> |
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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 | ||
30 | #include "common.h" | |
31 | ||
32 | static unsigned long teton_bga_pin_config[] __initdata = { | |
33 | /* UART1 */ | |
34 | GPIO107_UART1_TXD, | |
35 | GPIO108_UART1_RXD, | |
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36 | |
37 | /* Keypad */ | |
38 | GPIO109_KP_MKIN1, | |
39 | GPIO110_KP_MKIN0, | |
40 | GPIO111_KP_MKOUT7, | |
41 | GPIO112_KP_MKOUT6, | |
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42 | |
43 | /* I2C Bus */ | |
44 | GPIO105_CI2C_SDA, | |
45 | GPIO106_CI2C_SCL, | |
46 | ||
47 | /* RTC */ | |
48 | GPIO78_GPIO, | |
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49 | }; |
50 | ||
51 | static unsigned int teton_bga_matrix_key_map[] = { | |
52 | KEY(0, 6, KEY_ESC), | |
53 | KEY(0, 7, KEY_ENTER), | |
54 | KEY(1, 6, KEY_LEFT), | |
55 | KEY(1, 7, KEY_RIGHT), | |
56 | }; | |
57 | ||
58 | static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = { | |
59 | .matrix_key_rows = 2, | |
60 | .matrix_key_cols = 8, | |
61 | .matrix_key_map = teton_bga_matrix_key_map, | |
62 | .matrix_key_map_size = ARRAY_SIZE(teton_bga_matrix_key_map), | |
63 | .debounce_interval = 30, | |
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64 | }; |
65 | ||
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66 | static struct i2c_board_info teton_bga_i2c_info[] __initdata = { |
67 | { | |
68 | I2C_BOARD_INFO("ds1337", 0x68), | |
69 | .irq = gpio_to_irq(RTC_INT_GPIO) | |
70 | }, | |
71 | }; | |
72 | ||
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73 | static void __init teton_bga_init(void) |
74 | { | |
75 | mfp_config(ARRAY_AND_SIZE(teton_bga_pin_config)); | |
76 | ||
77 | /* on-chip devices */ | |
78 | pxa168_add_uart(1); | |
d2ce6973 | 79 | pxa168_add_keypad(&teton_bga_keypad_info); |
759305c6 | 80 | pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info)); |
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81 | } |
82 | ||
83 | MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform") | |
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84 | .map_io = mmp_map_io, |
85 | .nr_irqs = IRQ_BOARD_START, | |
86 | .init_irq = pxa168_init_irq, | |
87 | .timer = &pxa168_timer, | |
88 | .init_machine = teton_bga_init, | |
89 | MACHINE_END |