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