[ARM] pxa: separate GPIOs and their mode definitions to pxa2xx-gpio.h
[linux-2.6.git] / arch / arm / mach-pxa / idp.c
1 /*
2  *  linux/arch/arm/mach-pxa/idp.c
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License version 2 as
6  *  published by the Free Software Foundation.
7  *
8  *  Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
9  *
10  *  2001-09-13: Cliff Brake <cbrake@accelent.com>
11  *              Initial code
12  *
13  *  2005-02-15: Cliff Brake <cliff.brake@gmail.com>
14  *              <http://www.vibren.com> <http://bec-systems.com>
15  *              Updated for 2.6 kernel
16  *
17  */
18
19 #include <linux/init.h>
20 #include <linux/interrupt.h>
21 #include <linux/irq.h>
22 #include <linux/platform_device.h>
23 #include <linux/fb.h>
24
25 #include <asm/setup.h>
26 #include <asm/memory.h>
27 #include <asm/mach-types.h>
28 #include <asm/hardware.h>
29 #include <asm/irq.h>
30
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <asm/arch/pxa-regs.h>
35 #include <asm/arch/pxa2xx-gpio.h>
36 #include <asm/arch/idp.h>
37 #include <asm/arch/pxafb.h>
38 #include <asm/arch/bitfield.h>
39 #include <asm/arch/mmc.h>
40
41 #include "generic.h"
42 #include "devices.h"
43
44 /* TODO:
45  * - add pxa2xx_audio_ops_t device structure
46  * - Ethernet interrupt
47  */
48
49 static struct resource smc91x_resources[] = {
50         [0] = {
51                 .start  = (IDP_ETH_PHYS + 0x300),
52                 .end    = (IDP_ETH_PHYS + 0xfffff),
53                 .flags  = IORESOURCE_MEM,
54         },
55         [1] = {
56                 .start  = IRQ_GPIO(4),
57                 .end    = IRQ_GPIO(4),
58                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
59         }
60 };
61
62 static struct platform_device smc91x_device = {
63         .name           = "smc91x",
64         .id             = 0,
65         .num_resources  = ARRAY_SIZE(smc91x_resources),
66         .resource       = smc91x_resources,
67 };
68
69 static void idp_backlight_power(int on)
70 {
71         if (on) {
72                 IDP_CPLD_LCD |= (1<<1);
73         } else {
74                 IDP_CPLD_LCD &= ~(1<<1);
75         }
76 }
77
78 static void idp_vlcd(int on)
79 {
80         if (on) {
81                 IDP_CPLD_LCD |= (1<<2);
82         } else {
83                 IDP_CPLD_LCD &= ~(1<<2);
84         }
85 }
86
87 static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
88 {
89         if (on) {
90                 IDP_CPLD_LCD |= (1<<0);
91         } else {
92                 IDP_CPLD_LCD &= ~(1<<0);
93         }
94
95         /* call idp_vlcd for now as core driver does not support
96          * both power and vlcd hooks.  Note, this is not technically
97          * the correct sequence, but seems to work.  Disclaimer:
98          * this may eventually damage the display.
99          */
100
101         idp_vlcd(on);
102 }
103
104 static struct pxafb_mode_info sharp_lm8v31_mode = {
105         .pixclock       = 270000,
106         .xres           = 640,
107         .yres           = 480,
108         .bpp            = 16,
109         .hsync_len      = 1,
110         .left_margin    = 3,
111         .right_margin   = 3,
112         .vsync_len      = 1,
113         .upper_margin   = 0,
114         .lower_margin   = 0,
115         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
116         .cmap_greyscale = 0,
117 };
118
119 static struct pxafb_mach_info sharp_lm8v31 = {
120         .modes          = &sharp_lm8v31_mode,
121         .num_modes      = 1,
122         .cmap_inverse   = 0,
123         .cmap_static    = 0,
124         .lccr0          = LCCR0_SDS,
125         .lccr3          = LCCR3_PCP | LCCR3_Acb(255),
126         .pxafb_backlight_power = &idp_backlight_power,
127         .pxafb_lcd_power = &idp_lcd_power
128 };
129
130 static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
131 {
132         /* setup GPIO for PXA25x MMC controller */
133         pxa_gpio_mode(GPIO6_MMCCLK_MD);
134         pxa_gpio_mode(GPIO8_MMCCS0_MD);
135
136         return 0;
137 }
138
139 static struct pxamci_platform_data idp_mci_platform_data = {
140         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
141         .init           = idp_mci_init,
142 };
143
144 static void __init idp_init(void)
145 {
146         printk("idp_init()\n");
147
148         platform_device_register(&smc91x_device);
149         //platform_device_register(&mst_audio_device);
150         set_pxa_fb_info(&sharp_lm8v31);
151         pxa_set_mci_info(&idp_mci_platform_data);
152 }
153
154 static void __init idp_init_irq(void)
155 {
156
157         pxa25x_init_irq();
158
159         set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
160 }
161
162 static struct map_desc idp_io_desc[] __initdata = {
163         {
164                 .virtual        =  IDP_COREVOLT_VIRT,
165                 .pfn            = __phys_to_pfn(IDP_COREVOLT_PHYS),
166                 .length         = IDP_COREVOLT_SIZE,
167                 .type           = MT_DEVICE
168         }, {
169                 .virtual        =  IDP_CPLD_VIRT,
170                 .pfn            = __phys_to_pfn(IDP_CPLD_PHYS),
171                 .length         = IDP_CPLD_SIZE,
172                 .type           = MT_DEVICE
173         }
174 };
175
176 static void __init idp_map_io(void)
177 {
178         pxa_map_io();
179         iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
180
181         // serial ports 2 & 3
182         pxa_gpio_mode(GPIO42_BTRXD_MD);
183         pxa_gpio_mode(GPIO43_BTTXD_MD);
184         pxa_gpio_mode(GPIO44_BTCTS_MD);
185         pxa_gpio_mode(GPIO45_BTRTS_MD);
186         pxa_gpio_mode(GPIO46_STRXD_MD);
187         pxa_gpio_mode(GPIO47_STTXD_MD);
188
189 }
190
191
192 MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
193         /* Maintainer: Vibren Technologies */
194         .phys_io        = 0x40000000,
195         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
196         .map_io         = idp_map_io,
197         .init_irq       = idp_init_irq,
198         .timer          = &pxa_timer,
199         .init_machine   = idp_init,
200 MACHINE_END