Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[pandora-kernel.git] / arch / arm / mach-pxa / himalaya.c
1 /*
2  * linux/arch/arm/mach-pxa/himalaya.c
3  *
4  * Hardware definitions for the HTC Himalaya
5  *
6  * Based on 2.6.21-hh20's himalaya.c and himalaya_lcd.c
7  *
8  * Copyright (c) 2008 Zbynek Michl <Zbynek.Michl@seznam.cz>
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  * published by the Free Software Foundation.
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/device.h>
18 #include <linux/fb.h>
19 #include <linux/platform_device.h>
20
21 #include <video/w100fb.h>
22
23 #include <asm/setup.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26
27 #include <mach/mfp-pxa25x.h>
28 #include <mach/hardware.h>
29
30 #include "generic.h"
31
32 /* ---------------------- Himalaya LCD definitions -------------------- */
33
34 static struct w100_gen_regs himalaya_lcd_regs = {
35         .lcd_format =        0x00000003,
36         .lcdd_cntl1 =        0x00000000,
37         .lcdd_cntl2 =        0x0003ffff,
38         .genlcd_cntl1 =      0x00fff003,
39         .genlcd_cntl2 =      0x00000003,
40         .genlcd_cntl3 =      0x000102aa,
41 };
42
43 static struct w100_mode himalaya4_lcd_mode = {
44         .xres           = 240,
45         .yres           = 320,
46         .left_margin    = 0,
47         .right_margin   = 31,
48         .upper_margin   = 15,
49         .lower_margin   = 0,
50         .crtc_ss        = 0x80150014,
51         .crtc_ls        = 0xa0fb00f7,
52         .crtc_gs        = 0xc0080007,
53         .crtc_vpos_gs   = 0x00080007,
54         .crtc_rev       = 0x0000000a,
55         .crtc_dclk      = 0x81700030,
56         .crtc_gclk      = 0x8015010f,
57         .crtc_goe       = 0x00000000,
58         .pll_freq       = 80,
59         .pixclk_divider = 15,
60         .pixclk_divider_rotated = 15,
61         .pixclk_src     = CLK_SRC_PLL,
62         .sysclk_divider = 0,
63         .sysclk_src     = CLK_SRC_PLL,
64 };
65
66 static struct w100_mode himalaya6_lcd_mode = {
67         .xres           = 240,
68         .yres           = 320,
69         .left_margin    = 9,
70         .right_margin   = 8,
71         .upper_margin   = 5,
72         .lower_margin   = 4,
73         .crtc_ss        = 0x80150014,
74         .crtc_ls        = 0xa0fb00f7,
75         .crtc_gs        = 0xc0080007,
76         .crtc_vpos_gs   = 0x00080007,
77         .crtc_rev       = 0x0000000a,
78         .crtc_dclk      = 0xa1700030,
79         .crtc_gclk      = 0x8015010f,
80         .crtc_goe       = 0x00000000,
81         .pll_freq       = 95,
82         .pixclk_divider = 0xb,
83         .pixclk_divider_rotated = 4,
84         .pixclk_src     = CLK_SRC_PLL,
85         .sysclk_divider = 1,
86         .sysclk_src     = CLK_SRC_PLL,
87 };
88
89 static struct w100_gpio_regs himalaya_w100_gpio_info = {
90         .init_data1 = 0xffff0000,       /* GPIO_DATA  */
91         .gpio_dir1  = 0x00000000,       /* GPIO_CNTL1 */
92         .gpio_oe1   = 0x003c0000,       /* GPIO_CNTL2 */
93         .init_data2 = 0x00000000,       /* GPIO_DATA2 */
94         .gpio_dir2  = 0x00000000,       /* GPIO_CNTL3 */
95         .gpio_oe2   = 0x00000000,       /* GPIO_CNTL4 */
96 };
97
98 static struct w100fb_mach_info himalaya_fb_info = {
99         .num_modes  = 1,
100         .regs       = &himalaya_lcd_regs,
101         .gpio       = &himalaya_w100_gpio_info,
102         .xtal_freq = 16000000,
103 };
104
105 static struct resource himalaya_fb_resources[] = {
106         [0] = {
107                 .start  = 0x08000000,
108                 .end    = 0x08ffffff,
109                 .flags  = IORESOURCE_MEM,
110         },
111 };
112
113 static struct platform_device himalaya_fb_device = {
114         .name           = "w100fb",
115         .id             = -1,
116         .dev            = {
117                 .platform_data  = &himalaya_fb_info,
118         },
119         .num_resources  = ARRAY_SIZE(himalaya_fb_resources),
120         .resource       = himalaya_fb_resources,
121 };
122
123 /* ----------------------------------------------------------------------- */
124
125 static struct platform_device *devices[] __initdata = {
126         &himalaya_fb_device,
127 };
128
129 static void __init himalaya_lcd_init(void)
130 {
131         int himalaya_boardid;
132
133         himalaya_boardid = 0x4; /* hardcoded (detection needs ASIC3 functions) */
134         printk(KERN_INFO "himalaya LCD Driver init. boardid=%d\n",
135                 himalaya_boardid);
136
137         switch (himalaya_boardid) {
138         case 0x4:
139                 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
140         break;
141         case 0x6:
142                 himalaya_fb_info.modelist = &himalaya6_lcd_mode;
143         break;
144         default:
145                 printk(KERN_INFO "himalaya lcd_init: unknown boardid=%d. Using 0x4\n",
146                         himalaya_boardid);
147                 himalaya_fb_info.modelist = &himalaya4_lcd_mode;
148         }
149 }
150
151 static void __init himalaya_init(void)
152 {
153         himalaya_lcd_init();
154         platform_add_devices(devices, ARRAY_SIZE(devices));
155 }
156
157
158 MACHINE_START(HIMALAYA, "HTC Himalaya")
159         .phys_io = 0x40000000,
160         .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
161         .boot_params = 0xa0000100,
162         .map_io = pxa_map_io,
163         .init_irq = pxa25x_init_irq,
164         .init_machine = himalaya_init,
165         .timer = &pxa_timer,
166 MACHINE_END