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gerrit-public.fairphone.software / kernel / msm / 45179fec946dd554f74e950d2278dabd5ad23fd3 / . / arch / arm / mach-mmp / teton_bga.c
blob: 0523e422990eeb3f3e6cb98afab1a4d6ea62f049 [file] [log] [blame]
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]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>
Mark F. Brownd2ce6972010-09-12 23:51:35 -0400[diff] [blame]19#include <linux/input.h>
20#include <plat/pxa27x_keypad.h>
Mark F. Brown759305c2010-09-12 23:51:36 -0400[diff] [blame]21#include <linux/i2c.h>
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]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
32static unsigned long teton_bga_pin_config[] __initdata = {
33 /* UART1 */
34 GPIO107_UART1_TXD,
35 GPIO108_UART1_RXD,
Mark F. Brownd2ce6972010-09-12 23:51:35 -0400[diff] [blame]36
37 /* Keypad */
38 GPIO109_KP_MKIN1,
39 GPIO110_KP_MKIN0,
40 GPIO111_KP_MKOUT7,
41 GPIO112_KP_MKOUT6,
Mark F. Brown759305c2010-09-12 23:51:36 -0400[diff] [blame]42
43 /* I2C Bus */
44 GPIO105_CI2C_SDA,
45 GPIO106_CI2C_SCL,
46
47 /* RTC */
48 GPIO78_GPIO,
Mark F. Brownd2ce6972010-09-12 23:51:35 -0400[diff] [blame]49};
50
51static 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
58static 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,
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]64};
65
Mark F. Brown759305c2010-09-12 23:51:36 -0400[diff] [blame]66static struct i2c_board_info teton_bga_i2c_info[] __initdata = {
67 {
68 I2C_BOARD_INFO("ds1337", 0x68),
Haojian Zhuang4929f5a2011-10-10 16:03:51 +0800[diff] [blame]69 .irq = MMP_GPIO_TO_IRQ(RTC_INT_GPIO)
Mark F. Brown759305c2010-09-12 23:51:36 -0400[diff] [blame]70 },
71};
72
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]73static 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);
Mark F. Brownd2ce6972010-09-12 23:51:35 -0400[diff] [blame]79 pxa168_add_keypad(&teton_bga_keypad_info);
Mark F. Brown759305c2010-09-12 23:51:36 -0400[diff] [blame]80 pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(teton_bga_i2c_info));
Haojian Zhuang157d2642011-10-17 20:37:52 +0800[diff] [blame]81 platform_device_register(&pxa168_device_gpio);
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]82}
83
84MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]85 .map_io = mmp_map_io,
86 .nr_irqs = IRQ_BOARD_START,
87 .init_irq = pxa168_init_irq,
88 .timer = &pxa168_timer,
89 .init_machine = teton_bga_init,
Russell King9854a382011-11-05 15:40:09 +0000[diff] [blame]90 .restart = pxa168_restart,
Mark F. Brown1bbd7082010-09-12 23:51:34 -0400[diff] [blame]91MACHINE_END