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
  32 #include "common.h"
  33 #include "mach-smartq.h"
  34
  35 static struct gpio_led smartq7_leds[] = {
  36         {
  37                 .name                   = "smartq7:red",
  38                 .active_low             = 1,
  39                 .gpio                   = S3C64XX_GPN(8),
  40         },
  41         {
  42                 .name                   = "smartq7:green",
  43                 .active_low             = 1,
  44                 .gpio                   = S3C64XX_GPN(9),
  45         },
  46 };
  47
  48 static struct gpio_led_platform_data smartq7_led_data = {
  49         .num_leds = ARRAY_SIZE(smartq7_leds),
  50         .leds = smartq7_leds,
  51 };
  52
  53 static struct platform_device smartq7_leds_device = {
  54         .name                   = "leds-gpio",
  55         .id                     = -1,
  56         .dev.platform_data      = &smartq7_led_data,
  57 };
  58
  59 /* Labels according to the SmartQ manual */
  60 static struct gpio_keys_button smartq7_buttons[] = {
  61         {
  62                 .gpio                   = S3C64XX_GPL(14),
  63                 .code                   = KEY_POWER,
  64                 .desc                   = "Power",
  65                 .active_low             = 1,
  66                 .debounce_interval      = 5,
  67                 .type                   = EV_KEY,
  68         },
  69         {
  70                 .gpio                   = S3C64XX_GPN(2),
  71                 .code                   = KEY_FN,
  72                 .desc                   = "Function",
  73                 .active_low             = 1,
  74                 .debounce_interval      = 5,
  75                 .type                   = EV_KEY,
  76         },
  77         {
  78                 .gpio                   = S3C64XX_GPN(3),
  79                 .code                   = KEY_KPMINUS,
  80                 .desc                   = "Minus",
  81                 .active_low             = 1,
  82                 .debounce_interval      = 5,
  83                 .type                   = EV_KEY,
  84         },
  85         {
  86                 .gpio                   = S3C64XX_GPN(4),
  87                 .code                   = KEY_KPPLUS,
  88                 .desc                   = "Plus",
  89                 .active_low             = 1,
  90                 .debounce_interval      = 5,
  91                 .type                   = EV_KEY,
  92         },
  93         {
  94                 .gpio                   = S3C64XX_GPN(12),
  95                 .code                   = KEY_ENTER,
  96                 .desc                   = "Enter",
  97                 .active_low             = 1,
  98                 .debounce_interval      = 5,
  99                 .type                   = EV_KEY,
 100         },
 101         {
 102                 .gpio                   = S3C64XX_GPN(15),
 103                 .code                   = KEY_ESC,
 104                 .desc                   = "Cancel",
 105                 .active_low             = 1,
 106                 .debounce_interval      = 5,
 107                 .type                   = EV_KEY,
 108         },
 109 };
 110
 111 static struct gpio_keys_platform_data smartq7_buttons_data  = {
 112         .buttons        = smartq7_buttons,
 113         .nbuttons       = ARRAY_SIZE(smartq7_buttons),
 114 };
 115
 116 static struct platform_device smartq7_buttons_device  = {
 117         .name           = "gpio-keys",
 118         .id             = 0,
 119         .num_resources  = 0,
 120         .dev            = {
 121                 .platform_data  = &smartq7_buttons_data,
 122         }
 123 };
 124
 125 static struct s3c_fb_pd_win smartq7_fb_win0 = {
 126         .max_bpp        = 32,
 127         .default_bpp    = 16,
 128         .xres           = 800,
 129         .yres           = 480,
 130 };
 131
 132 static struct fb_videomode smartq7_lcd_timing = {
 133         .left_margin    = 3,
 134         .right_margin   = 5,
 135         .upper_margin   = 1,
 136         .lower_margin   = 20,
 137         .hsync_len      = 10,
 138         .vsync_len      = 3,
 139         .xres           = 800,
 140         .yres           = 480,
 141         .refresh        = 80,
 142 };
 143
 144 static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
 145         .setup_gpio     = s3c64xx_fb_gpio_setup_24bpp,
 146         .vtiming        = &smartq7_lcd_timing,
 147         .win[0]         = &smartq7_fb_win0,
 148         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 149         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
 150                           VIDCON1_INV_VCLK,
 151 };
 152
 153 static struct platform_device *smartq7_devices[] __initdata = {
 154         &smartq7_leds_device,
 155         &smartq7_buttons_device,
 156 };
 157
 158 static void __init smartq7_machine_init(void)
 159 {
 160         s3c_fb_set_platdata(&smartq7_lcd_pdata);
 161
 162         smartq_machine_init();
 163
 164         platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
 165 }
 166
 167 MACHINE_START(SMARTQ7, "SmartQ 7")
 168         /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
 169         .atag_offset    = 0x100,
 170         .init_irq       = s3c6410_init_irq,
 171         .map_io         = smartq_map_io,
 172         .init_machine   = smartq7_machine_init,
 173         .init_late      = s3c64xx_init_late,
 174         .init_time      = s3c24xx_timer_init,
 175         .restart        = s3c64xx_restart,
 176 MACHINE_END