summaryrefslogtreecommitdiff
path: root/arch/arm/mach-tegra/board-paz00.c
blob: 39363e583c680b71a72b7149504b274805a74c7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
 * arch/arm/mach-tegra/board-paz00.c
 *
 * Copyright (C) 2011 Marc Dietrich <marvin24@gmx.de>
 *
 * Based on board-harmony.c
 * Copyright (C) 2010 Google, Inc.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/pda_power.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/rfkill-gpio.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/setup.h>

#include <mach/iomap.h>
#include <mach/irqs.h>
#include <mach/sdhci.h>

#include "board.h"
#include "board-paz00.h"
#include "clock.h"
#include "devices.h"
#include "gpio-names.h"

static struct plat_serial8250_port debug_uart_platform_data[] = {
	{
		/* serial port on JP1 */
		.membase	= IO_ADDRESS(TEGRA_UARTA_BASE),
		.mapbase	= TEGRA_UARTA_BASE,
		.irq		= INT_UARTA,
		.flags		= UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
		.type		= PORT_TEGRA,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= 216000000,
	}, {
		/* serial port on mini-pcie */
		.membase	= IO_ADDRESS(TEGRA_UARTD_BASE),
		.mapbase	= TEGRA_UARTD_BASE,
		.irq		= INT_UARTD,
		.flags		= UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
		.type		= PORT_TEGRA,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= 216000000,
	}, {
		.flags		= 0
	}
};

static struct platform_device debug_uart = {
	.name = "serial8250",
	.id = PLAT8250_DEV_PLATFORM,
	.dev = {
		.platform_data = debug_uart_platform_data,
	},
};

static struct rfkill_gpio_platform_data wifi_rfkill_platform_data = {
	.name		= "wifi_rfkill",
	.reset_gpio	= TEGRA_WIFI_RST,
	.shutdown_gpio	= TEGRA_WIFI_PWRN,
	.type	= RFKILL_TYPE_WLAN,
};

static struct platform_device wifi_rfkill_device = {
	.name	= "rfkill_gpio",
	.id	= -1,
	.dev	= {
		.platform_data = &wifi_rfkill_platform_data,
	},
};

static struct gpio_led gpio_leds[] = {
	{
		.name			= "wifi-led",
		.default_trigger	= "rfkill0",
		.gpio			= TEGRA_WIFI_LED,
	},
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data = &gpio_led_info,
        },
};

static struct platform_device *paz00_devices[] __initdata = {
	&debug_uart,
	&tegra_sdhci_device4,
	&tegra_sdhci_device1,
	&wifi_rfkill_device,
	&leds_gpio,
};

static void paz00_i2c_init(void)
{
	platform_device_register(&tegra_i2c_device1);
	platform_device_register(&tegra_i2c_device2);
	platform_device_register(&tegra_i2c_device4);
}

static void paz00_usb_init(void)
{
	platform_device_register(&tegra_ehci2_device);
	platform_device_register(&tegra_ehci3_device);
}

static void __init tegra_paz00_fixup(struct machine_desc *desc,
	struct tag *tags, char **cmdline, struct meminfo *mi)
{
	mi->nr_banks = 1;
	mi->bank[0].start = PHYS_OFFSET;
	mi->bank[0].size = 448 * SZ_1M;
}

static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
	/* name		parent		rate		enabled */
	{ "uarta",	"pll_p",	216000000,	true },
	{ "uartd",	"pll_p",	216000000,	true },

	{ "pll_p_out4",	"pll_p",	24000000,	true },
	{ "usbd",	"clk_m",	12000000,	false },
	{ "usb2",	"clk_m",	12000000,	false },
	{ "usb3",	"clk_m",	12000000,	false },

	{ NULL,		NULL,		0,		0},
};

static struct tegra_sdhci_platform_data sdhci_pdata1 = {
	.cd_gpio	= TEGRA_GPIO_SD1_CD,
	.wp_gpio	= TEGRA_GPIO_SD1_WP,
	.power_gpio	= TEGRA_GPIO_SD1_POWER,
};

static struct tegra_sdhci_platform_data sdhci_pdata4 = {
	.cd_gpio	= -1,
	.wp_gpio	= -1,
	.power_gpio	= -1,
	.is_8bit	= 1,
};

static void __init tegra_paz00_init(void)
{
	tegra_clk_init_from_table(paz00_clk_init_table);

	paz00_pinmux_init();

	tegra_sdhci_device1.dev.platform_data = &sdhci_pdata1;
	tegra_sdhci_device4.dev.platform_data = &sdhci_pdata4;

	platform_add_devices(paz00_devices, ARRAY_SIZE(paz00_devices));

	paz00_i2c_init();
	paz00_usb_init();
}

MACHINE_START(PAZ00, "Toshiba AC100 / Dynabook AZ")
	.atag_offset	= 0x100,
	.fixup		= tegra_paz00_fixup,
	.map_io         = tegra_map_common_io,
	.init_early	= tegra_init_early,
	.init_irq       = tegra_init_irq,
	.timer          = &tegra_timer,
	.init_machine   = tegra_paz00_init,
MACHINE_END