Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6] / arch / arm / mach-s3c6410 / mach-smdk6410.c
1 /* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
2  *
3  * Copyright 2008 Openmoko, Inc.
4  * Copyright 2008 Simtec Electronics
5  *      Ben Dooks <ben@simtec.co.uk>
6  *      http://armlinux.simtec.co.uk/
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/serial_core.h>
21 #include <linux/platform_device.h>
22 #include <linux/io.h>
23 #include <linux/i2c.h>
24 #include <linux/fb.h>
25 #include <linux/gpio.h>
26 #include <linux/delay.h>
27
28 #include <video/platform_lcd.h>
29
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
33
34 #include <mach/hardware.h>
35 #include <mach/regs-fb.h>
36 #include <mach/map.h>
37
38 #include <asm/irq.h>
39 #include <asm/mach-types.h>
40
41 #include <plat/regs-serial.h>
42 #include <plat/iic.h>
43 #include <plat/fb.h>
44
45 #include <plat/s3c6410.h>
46 #include <plat/clock.h>
47 #include <plat/devs.h>
48 #include <plat/cpu.h>
49
50 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
51 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
52 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
53
54 static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
55         [0] = {
56                 .hwport      = 0,
57                 .flags       = 0,
58                 .ucon        = 0x3c5,
59                 .ulcon       = 0x03,
60                 .ufcon       = 0x51,
61         },
62         [1] = {
63                 .hwport      = 1,
64                 .flags       = 0,
65                 .ucon        = 0x3c5,
66                 .ulcon       = 0x03,
67                 .ufcon       = 0x51,
68         },
69 };
70
71 /* framebuffer and LCD setup. */
72
73 /* GPF15 = LCD backlight control
74  * GPF13 => Panel power
75  * GPN5 = LCD nRESET signal
76  * PWM_TOUT1 => backlight brightness
77  */
78
79 static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
80                                    unsigned int power)
81 {
82         if (power) {
83                 gpio_direction_output(S3C64XX_GPF(13), 1);
84                 gpio_direction_output(S3C64XX_GPF(15), 1);
85
86                 /* fire nRESET on power up */
87                 gpio_direction_output(S3C64XX_GPN(5), 0);
88                 msleep(10);
89                 gpio_direction_output(S3C64XX_GPN(5), 1);
90                 msleep(1);
91         } else {
92                 gpio_direction_output(S3C64XX_GPF(15), 0);
93                 gpio_direction_output(S3C64XX_GPF(13), 0);
94         }
95 }
96
97 static struct plat_lcd_data smdk6410_lcd_power_data = {
98         .set_power      = smdk6410_lcd_power_set,
99 };
100
101 static struct platform_device smdk6410_lcd_powerdev = {
102         .name                   = "platform-lcd",
103         .dev.parent             = &s3c_device_fb.dev,
104         .dev.platform_data      = &smdk6410_lcd_power_data,
105 };
106
107 static struct s3c_fb_pd_win smdk6410_fb_win0 = {
108         /* this is to ensure we use win0 */
109         .win_mode       = {
110                 .pixclock       = 41094,
111                 .left_margin    = 8,
112                 .right_margin   = 13,
113                 .upper_margin   = 7,
114                 .lower_margin   = 5,
115                 .hsync_len      = 3,
116                 .vsync_len      = 1,
117                 .xres           = 800,
118                 .yres           = 480,
119         },
120         .max_bpp        = 32,
121         .default_bpp    = 16,
122 };
123
124 /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
125 static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
126         .setup_gpio     = s3c64xx_fb_gpio_setup_24bpp,
127         .win[0]         = &smdk6410_fb_win0,
128         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
129         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
130 };
131
132 static struct map_desc smdk6410_iodesc[] = {};
133
134 static struct platform_device *smdk6410_devices[] __initdata = {
135 #ifdef CONFIG_SMDK6410_SD_CH0
136         &s3c_device_hsmmc0,
137 #endif
138 #ifdef CONFIG_SMDK6410_SD_CH1
139         &s3c_device_hsmmc1,
140 #endif
141         &s3c_device_i2c0,
142         &s3c_device_i2c1,
143         &s3c_device_fb,
144         &smdk6410_lcd_powerdev,
145 };
146
147 static struct i2c_board_info i2c_devs0[] __initdata = {
148         { I2C_BOARD_INFO("24c08", 0x50), },
149         { I2C_BOARD_INFO("wm8580", 0x1b), },
150 };
151
152 static struct i2c_board_info i2c_devs1[] __initdata = {
153         { I2C_BOARD_INFO("24c128", 0x57), },    /* Samsung S524AD0XD1 */
154 };
155
156 static void __init smdk6410_map_io(void)
157 {
158         s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
159         s3c24xx_init_clocks(12000000);
160         s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
161 }
162
163 static void __init smdk6410_machine_init(void)
164 {
165         s3c_i2c0_set_platdata(NULL);
166         s3c_i2c1_set_platdata(NULL);
167         s3c_fb_set_platdata(&smdk6410_lcd_pdata);
168
169         gpio_request(S3C64XX_GPN(5), "LCD power");
170         gpio_request(S3C64XX_GPF(13), "LCD power");
171         gpio_request(S3C64XX_GPF(15), "LCD power");
172
173         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
174         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
175
176         platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
177 }
178
179 MACHINE_START(SMDK6410, "SMDK6410")
180         /* Maintainer: Ben Dooks <ben@fluff.org> */
181         .phys_io        = S3C_PA_UART & 0xfff00000,
182         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
183         .boot_params    = S3C64XX_PA_SDRAM + 0x100,
184
185         .init_irq       = s3c6410_init_irq,
186         .map_io         = smdk6410_map_io,
187         .init_machine   = smdk6410_machine_init,
188         .timer          = &s3c24xx_timer,
189 MACHINE_END