arch/arm/mach-s3c64xx/mach-smartq7.c

   1 /*
   2  * linux/arch/arm/mach-s3c64xx/mach-smartq7.c
   3  *
   4  * Copyright (C) 2010 Maurus Cuelenaere
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  */
  11
  12 #include <linux/fb.h>
  13 #include <linux/gpio.h>
  14 #include <linux/gpio_keys.h>
  15 #include <linux/init.h>
  16 #include <linux/input.h>
  17 #include <linux/leds.h>
  18 #include <linux/platform_device.h>
  19
  20 #include <asm/mach-types.h>
  21 #include <asm/mach/arch.h>
  22
  23 #include <video/samsung_fimd.h>
  24 #include <mach/map.h>
  25 #include <mach/regs-gpio.h>
  26
  27 #include <plat/cpu.h>
  28 #include <plat/devs.h>
  29 #include <plat/fb.h>
  30 #include <plat/gpio-cfg.h>
  31 #include <plat/samsung-time.h>
  32
  33 #include "common.h"
  34 #include "mach-smartq.h"
  35
  36 static struct gpio_led smartq7_leds[] = {
  37         {
  38                 .name                   = "smartq7:red",
  39                 .active_low             = 1,
  40                 .gpio                   = S3C64XX_GPN(8),
  41         },
  42         {
  43                 .name                   = "smartq7:green",
  44                 .active_low             = 1,
  45                 .gpio                   = S3C64XX_GPN(9),
  46         },
  47 };
  48
  49 static struct gpio_led_platform_data smartq7_led_data = {
  50         .num_leds = ARRAY_SIZE(smartq7_leds),
  51         .leds = smartq7_leds,
  52 };
  53
  54 static struct platform_device smartq7_leds_device = {
  55         .name                   = "leds-gpio",
  56         .id                     = -1,
  57         .dev.platform_data      = &smartq7_led_data,
  58 };
  59
  60 /* Labels according to the SmartQ manual */
  61 static struct gpio_keys_button smartq7_buttons[] = {
  62         {
  63                 .gpio                   = S3C64XX_GPL(14),
  64                 .code                   = KEY_POWER,
  65                 .desc                   = "Power",
  66                 .active_low             = 1,
  67                 .debounce_interval      = 5,
  68                 .type                   = EV_KEY,
  69         },
  70         {
  71                 .gpio                   = S3C64XX_GPN(2),
  72                 .code                   = KEY_FN,
  73                 .desc                   = "Function",
  74                 .active_low             = 1,
  75                 .debounce_interval      = 5,
  76                 .type                   = EV_KEY,
  77         },
  78         {
  79                 .gpio                   = S3C64XX_GPN(3),
  80                 .code                   = KEY_KPMINUS,
  81                 .desc                   = "Minus",
  82                 .active_low             = 1,
  83                 .debounce_interval      = 5,
  84                 .type                   = EV_KEY,
  85         },
  86         {
  87                 .gpio                   = S3C64XX_GPN(4),
  88                 .code                   = KEY_KPPLUS,
  89                 .desc                   = "Plus",
  90                 .active_low             = 1,
  91                 .debounce_interval      = 5,
  92                 .type                   = EV_KEY,
  93         },
  94         {
  95                 .gpio                   = S3C64XX_GPN(12),
  96                 .code                   = KEY_ENTER,
  97                 .desc                   = "Enter",
  98                 .active_low             = 1,
  99                 .debounce_interval      = 5,
 100                 .type                   = EV_KEY,
 101         },
 102         {
 103                 .gpio                   = S3C64XX_GPN(15),
 104                 .code                   = KEY_ESC,
 105                 .desc                   = "Cancel",
 106                 .active_low             = 1,
 107                 .debounce_interval      = 5,
 108                 .type                   = EV_KEY,
 109         },
 110 };
 111
 112 static struct gpio_keys_platform_data smartq7_buttons_data  = {
 113         .buttons        = smartq7_buttons,
 114         .nbuttons       = ARRAY_SIZE(smartq7_buttons),
 115 };
 116
 117 static struct platform_device smartq7_buttons_device  = {
 118         .name           = "gpio-keys",
 119         .id             = 0,
 120         .num_resources  = 0,
 121         .dev            = {
 122                 .platform_data  = &smartq7_buttons_data,
 123         }
 124 };
 125
 126 static struct s3c_fb_pd_win smartq7_fb_win0 = {
 127         .max_bpp        = 32,
 128         .default_bpp    = 16,
 129         .xres           = 800,
 130         .yres           = 480,
 131 };
 132
 133 static struct fb_videomode smartq7_lcd_timing = {
 134         .left_margin    = 3,
 135         .right_margin   = 5,
 136         .upper_margin   = 1,
 137         .lower_margin   = 20,
 138         .hsync_len      = 10,
 139         .vsync_len      = 3,
 140         .xres           = 800,
 141         .yres           = 480,
 142         .refresh        = 80,
 143 };
 144
 145 static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
 146         .setup_gpio     = s3c64xx_fb_gpio_setup_24bpp,
 147         .vtiming        = &smartq7_lcd_timing,
 148         .win[0]         = &smartq7_fb_win0,
 149         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 150         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
 151                           VIDCON1_INV_VCLK,
 152 };
 153
 154 static struct platform_device *smartq7_devices[] __initdata = {
 155         &smartq7_leds_device,
 156         &smartq7_buttons_device,
 157 };
 158
 159 static void __init smartq7_machine_init(void)
 160 {
 161         s3c_fb_set_platdata(&smartq7_lcd_pdata);
 162
 163         smartq_machine_init();
 164
 165         platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
 166 }
 167
 168 MACHINE_START(SMARTQ7, "SmartQ 7")
 169         /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
 170         .atag_offset    = 0x100,
 171         .init_irq       = s3c6410_init_irq,
 172         .map_io         = smartq_map_io,
 173         .init_machine   = smartq7_machine_init,
 174         .init_late      = s3c64xx_init_late,
 175         .init_time      = samsung_timer_init,
 176         .restart        = s3c64xx_restart,
 177 MACHINE_END