aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/ezx.c
blob: 3e6aa33a2c7c463f5190644f21e53461c9fdf015 (plain) (blame)
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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/*
 *  ezx.c - Common code for the EZX platform.
 *
 *  Copyright (C) 2005-2006 Harald Welte <laforge@openezx.org>,
 *		  2007-2008 Daniel Ribeiro <drwyrm@gmail.com>,
 *		  2007-2008 Stefan Schmidt <stefan@datenfreihafen.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/pwm_backlight.h>

#include <asm/setup.h>
#include <mach/pxafb.h>
#include <mach/ohci.h>
#include <mach/i2c.h>
#include <mach/hardware.h>

#include <mach/mfp-pxa27x.h>
#include <mach/pxa-regs.h>
#include <mach/pxa2xx-regs.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include "devices.h"
#include "generic.h"

static struct platform_pwm_backlight_data ezx_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 1023,
	.dft_brightness	= 1023,
	.pwm_period_ns	= 78770,
};

static struct platform_device ezx_backlight_device = {
	.name		= "pwm-backlight",
	.dev		= {
		.parent	= &pxa27x_device_pwm0.dev,
		.platform_data = &ezx_backlight_data,
	},
};

static struct pxafb_mode_info mode_ezx_old = {
	.pixclock		= 150000,
	.xres			= 240,
	.yres			= 320,
	.bpp			= 16,
	.hsync_len		= 10,
	.left_margin		= 20,
	.right_margin		= 10,
	.vsync_len		= 2,
	.upper_margin		= 3,
	.lower_margin		= 2,
	.sync			= 0,
};

static struct pxafb_mach_info ezx_fb_info_1 = {
	.modes		= &mode_ezx_old,
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_TFT_16BPP,
};

static struct pxafb_mode_info mode_72r89803y01 = {
	.pixclock		= 192308,
	.xres			= 240,
	.yres			= 320,
	.bpp			= 32,
	.depth			= 18,
	.hsync_len		= 10,
	.left_margin		= 20,
	.right_margin		= 10,
	.vsync_len		= 2,
	.upper_margin		= 3,
	.lower_margin		= 2,
	.sync			= 0,
};

static struct pxafb_mach_info ezx_fb_info_2 = {
	.modes		= &mode_72r89803y01,
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_TFT_18BPP,
};

static struct platform_device *devices[] __initdata = {
	&ezx_backlight_device,
};

static unsigned long ezx_pin_config[] __initdata = {
	/* PWM backlight */
	GPIO16_PWM0_OUT,

	/* BTUART */
	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* For A780 support (connected with Neptune GSM chip) */
	GPIO30_USB_P3_2,	/* ICL_TXENB */
	GPIO31_USB_P3_6,	/* ICL_VPOUT */
	GPIO90_USB_P3_5,	/* ICL_VPIN */
	GPIO91_USB_P3_1,	/* ICL_XRXD */
	GPIO56_USB_P3_4,	/* ICL_VMOUT */
	GPIO113_USB_P3_3,	/* /ICL_VMIN */

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,
};

static void __init ezx_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(ezx_pin_config));
	pxa_set_i2c_info(NULL);
	if (machine_is_ezx_a780() || machine_is_ezx_e680())
		set_pxa_fb_info(&ezx_fb_info_1);
	else
		set_pxa_fb_info(&ezx_fb_info_2);

	platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init ezx_fixup(struct machine_desc *desc, struct tag *tags,
		char **cmdline, struct meminfo *mi)
{
	/* We have two ram chips. First one with 32MB at 0xA0000000 and a second
	 * 16MB one at 0xAC000000
	 */
	mi->nr_banks = 2;
	mi->bank[0].start = 0xa0000000;
	mi->bank[0].node = 0;
	mi->bank[0].size = (32*1024*1024);
	mi->bank[1].start = 0xac000000;
	mi->bank[1].node = 1;
	mi->bank[1].size = (16*1024*1024);
}

#ifdef CONFIG_MACH_EZX_A780
MACHINE_START(EZX_A780, "Motorola EZX A780")
	.phys_io        = 0x40000000,
	.io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup			= ezx_fixup,
	.boot_params    = 0xa0000100,
	.map_io         = pxa_map_io,
	.init_irq       = pxa27x_init_irq,
	.timer          = &pxa_timer,
	.init_machine   = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_E680
MACHINE_START(EZX_E680, "Motorola EZX E680")
	.phys_io        = 0x40000000,
	.io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup			= ezx_fixup,
	.boot_params    = 0xa0000100,
	.map_io         = pxa_map_io,
	.init_irq       = pxa27x_init_irq,
	.timer          = &pxa_timer,
	.init_machine   = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_A1200
MACHINE_START(EZX_A1200, "Motorola EZX A1200")
	.phys_io        = 0x40000000,
	.io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup			= ezx_fixup,
	.boot_params    = 0xa0000100,
	.map_io         = pxa_map_io,
	.init_irq       = pxa27x_init_irq,
	.timer          = &pxa_timer,
	.init_machine   = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_A910
MACHINE_START(EZX_A910, "Motorola EZX A910")
	.phys_io        = 0x40000000,
	.io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup			= ezx_fixup,
	.boot_params    = 0xa0000100,
	.map_io         = pxa_map_io,
	.init_irq       = pxa27x_init_irq,
	.timer          = &pxa_timer,
	.init_machine   = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_E6
MACHINE_START(EZX_E6, "Motorola EZX E6")
	.phys_io        = 0x40000000,
	.io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup			= ezx_fixup,
	.boot_params    = 0xa0000100,
	.map_io         = pxa_map_io,
	.init_irq       = pxa27x_init_irq,
	.timer          = &pxa_timer,
	.init_machine   = &ezx_init,
MACHINE_END
#endif

#ifdef CONFIG_MACH_EZX_E2
MACHINE_START(EZX_E2, "Motorola EZX E2")
	.phys_io        = 0x40000000,
	.io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup			= ezx_fixup,
	.boot_params    = 0xa0000100,
	.map_io         = pxa_map_io,
	.init_irq       = pxa27x_init_irq,
	.timer          = &pxa_timer,
	.init_machine   = &ezx_init,
MACHINE_END
#endif