1/**
2 * WEIO Web Of Things Platform
3 *
4 * Copyright (C) 2013 Drasko DRASKOVIC and Uros PETREVSKI
5 *
6 *              ##      ## ######## ####  #######
7 *              ##  ##  ## ##        ##  ##     ##
8 *              ##  ##  ## ##        ##  ##     ##
9 *              ##  ##  ## ######    ##  ##     ##
10 *              ##  ##  ## ##        ##  ##     ##
11 *              ##  ##  ## ##        ##  ##     ##
12 *               ###  ###  ######## ####  #######
13 *
14 *                   Web Of Things Platform
15 *
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version 2
19 * of the License, or (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 *
30 * Authors :
31 * Drasko DRASKOVIC <drasko.draskovic@gmail.com>
32 * Uros PETREVSKI <uros@nodesign.net>
33 */
34
35#include <asm/mach-ath79/ath79.h>
36#include <asm/mach-ath79/ar71xx_regs.h>
37#include <linux/i2c-gpio.h>
38#include <linux/platform_device.h>
39#include "common.h"
40#include "dev-eth.h"
41#include "dev-gpio-buttons.h"
42#include "dev-leds-gpio.h"
43#include "dev-m25p80.h"
44#include "dev-spi.h"
45#include "dev-usb.h"
46#include "dev-wmac.h"
47#include "machtypes.h"
48
49#define WEIO_GPIO_LED_STA		1
50#define WEIO_GPIO_LED_AP		16
51
52#define WEIO_GPIO_BTN_AP		20
53#define WEIO_GPIO_BTN_RESET		23
54
55#define WEIO_KEYS_POLL_INTERVAL		20	/* msecs */
56#define WEIO_KEYS_DEBOUNCE_INTERVAL	(3 * WEIO_KEYS_POLL_INTERVAL)
57
58#define WEIO_MAC0_OFFSET			0x0000
59#define WEIO_MAC1_OFFSET			0x0006
60#define WEIO_CALDATA_OFFSET			0x1000
61#define WEIO_WMAC_MAC_OFFSET		0x1002
62
63static struct gpio_led weio_leds_gpio[] __initdata = {
64	{
65		.name		= "weio:green:sta",
66		.gpio		= WEIO_GPIO_LED_STA,
67		.active_low	= 1,
68		.default_state = LEDS_GPIO_DEFSTATE_ON,
69	},
70	{
71		.name		= "weio:green:ap",
72		.gpio		= WEIO_GPIO_LED_AP,
73		.active_low	= 1,
74		.default_state = LEDS_GPIO_DEFSTATE_ON,
75	}
76};
77
78static struct gpio_keys_button weio_gpio_keys[] __initdata = {
79	{
80		.desc		= "ap button",
81		.type		= EV_KEY,
82		.code		= BTN_0,
83		.debounce_interval = WEIO_KEYS_DEBOUNCE_INTERVAL,
84		.gpio		= WEIO_GPIO_BTN_AP,
85		.active_low	= 1,
86	},
87	{
88		.desc		= "soft-reset button",
89		.type		= EV_KEY,
90		.code		= BTN_1,
91		.debounce_interval = WEIO_KEYS_DEBOUNCE_INTERVAL,
92		.gpio		= WEIO_GPIO_BTN_RESET,
93		.active_low	= 1,
94	}
95};
96
97static struct i2c_gpio_platform_data weio_i2c_gpio_data = {
98	.sda_pin        = 18,
99	.scl_pin        = 19,
100};
101
102static struct platform_device weio_i2c_gpio = {
103	.name           = "i2c-gpio",
104	.id             = 0,
105	.dev            = {
106		.platform_data  = &weio_i2c_gpio_data,
107	},
108};
109
110static void __init weio_common_setup(void)
111{
112	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
113
114	ath79_register_m25p80(NULL);
115	ath79_register_wmac(art + WEIO_CALDATA_OFFSET, art + WEIO_WMAC_MAC_OFFSET);
116}
117
118static void __init weio_setup(void)
119{
120	weio_common_setup();
121
122	ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
123				AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
124				AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
125				AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
126				AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
127
128	platform_device_register(&weio_i2c_gpio);
129
130	ath79_register_leds_gpio(-1, ARRAY_SIZE(weio_leds_gpio),
131				weio_leds_gpio);
132
133	ath79_register_gpio_keys_polled(-1, WEIO_KEYS_POLL_INTERVAL,
134				ARRAY_SIZE(weio_gpio_keys),
135				weio_gpio_keys);
136
137	ath79_register_usb();
138}
139
140MIPS_MACHINE(ATH79_MACH_WEIO, "WEIO", "WeIO board", weio_setup);
141