arch/arm/mach-s3c64xx/mach-smartq5.c

   1 /*
   2  * linux/arch/arm/mach-s3c64xx/mach-smartq5.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/i2c-gpio.h>
  16 #include <linux/init.h>
  17 #include <linux/input.h>
  18 #include <linux/leds.h>
  19 #include <linux/platform_device.h>
  20
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23
  24 #include <mach/map.h>
  25 #include <mach/regs-fb.h>
  26 #include <mach/regs-gpio.h>
  27 #include <mach/s3c6410.h>
  28
  29 #include <plat/cpu.h>
  30 #include <plat/devs.h>
  31 #include <plat/fb.h>
  32 #include <plat/gpio-cfg.h>
  33
  34 #include "mach-smartq.h"
  35
  36 static void __init smartq5_lcd_setup_gpio(void)
  37 {
  38         gpio_request(S3C64XX_GPM(0), "LCD SCEN pin");
  39         gpio_request(S3C64XX_GPM(1), "LCD SCL pin");
  40         gpio_request(S3C64XX_GPM(2), "LCD SDA pin");
  41         gpio_request(S3C64XX_GPM(3), "LCD power");
  42
  43         /* turn power off */
  44         gpio_direction_output(S3C64XX_GPM(0), 1);
  45         gpio_direction_input(S3C64XX_GPM(1));
  46         gpio_direction_input(S3C64XX_GPM(2));
  47         gpio_direction_output(S3C64XX_GPM(3), 0);
  48 }
  49
  50 static struct i2c_gpio_platform_data smartq5_lcd_control = {
  51         .sda_pin                = S3C64XX_GPM(2),
  52         .scl_pin                = S3C64XX_GPM(1),
  53 };
  54
  55 static struct platform_device smartq5_lcd_control_device = {
  56         .name                   = "i2c-gpio",
  57         .id                     = 1,
  58         .dev.platform_data      = &smartq5_lcd_control,
  59 };
  60
  61 static struct gpio_led smartq5_leds[] __initdata = {
  62         {
  63                 .name                   = "smartq5:green",
  64                 .active_low             = 1,
  65                 .gpio                   = S3C64XX_GPN(8),
  66         },
  67         {
  68                 .name                   = "smartq5:red",
  69                 .active_low             = 1,
  70                 .gpio                   = S3C64XX_GPN(9),
  71         },
  72 };
  73
  74 static struct gpio_led_platform_data smartq5_led_data = {
  75         .num_leds = ARRAY_SIZE(smartq5_leds),
  76         .leds = smartq5_leds,
  77 };
  78
  79 static struct platform_device smartq5_leds_device = {
  80         .name                   = "leds-gpio",
  81         .id                     = -1,
  82         .dev.platform_data      = &smartq5_led_data,
  83 };
  84
  85 /* Labels according to the SmartQ manual */
  86 static struct gpio_keys_button smartq5_buttons[] = {
  87         {
  88                 .gpio                   = S3C64XX_GPL(14),
  89                 .code                   = KEY_POWER,
  90                 .desc                   = "Power",
  91                 .active_low             = 1,
  92                 .debounce_interval      = 5,
  93                 .type                   = EV_KEY,
  94         },
  95         {
  96                 .gpio                   = S3C64XX_GPN(2),
  97                 .code                   = KEY_KPMINUS,
  98                 .desc                   = "Minus",
  99                 .active_low             = 1,
 100                 .debounce_interval      = 5,
 101                 .type                   = EV_KEY,
 102         },
 103         {
 104                 .gpio                   = S3C64XX_GPN(12),
 105                 .code                   = KEY_KPPLUS,
 106                 .desc                   = "Plus",
 107                 .active_low             = 1,
 108                 .debounce_interval      = 5,
 109                 .type                   = EV_KEY,
 110         },
 111         {
 112                 .gpio                   = S3C64XX_GPN(15),
 113                 .code                   = KEY_ENTER,
 114                 .desc                   = "Move",
 115                 .active_low             = 1,
 116                 .debounce_interval      = 5,
 117                 .type                   = EV_KEY,
 118         },
 119 };
 120
 121 static struct gpio_keys_platform_data smartq5_buttons_data  = {
 122         .buttons        = smartq5_buttons,
 123         .nbuttons       = ARRAY_SIZE(smartq5_buttons),
 124 };
 125
 126 static struct platform_device smartq5_buttons_device  = {
 127         .name           = "gpio-keys",
 128         .id             = 0,
 129         .num_resources  = 0,
 130         .dev            = {
 131                 .platform_data  = &smartq5_buttons_data,
 132         }
 133 };
 134
 135 static struct s3c_fb_pd_win smartq5_fb_win0 = {
 136         .win_mode       = {
 137                 .pixclock       = 1000000000000ULL /
 138                                 ((40+1+216+800)*(10+1+35+480)*80),
 139                 .left_margin    = 40,
 140                 .right_margin   = 216,
 141                 .upper_margin   = 10,
 142                 .lower_margin   = 35,
 143                 .hsync_len      = 1,
 144                 .vsync_len      = 1,
 145                 .xres           = 800,
 146                 .yres           = 480,
 147         },
 148         .max_bpp        = 32,
 149         .default_bpp    = 16,
 150 };
 151
 152 static struct s3c_fb_platdata smartq5_lcd_pdata __initdata = {
 153         .setup_gpio     = s3c64xx_fb_gpio_setup_24bpp,
 154         .win[0]         = &smartq5_fb_win0,
 155         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 156         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
 157                           VIDCON1_INV_VDEN,
 158 };
 159
 160 static struct platform_device *smartq5_devices[] __initdata = {
 161         &smartq5_leds_device,
 162         &smartq5_buttons_device,
 163         &smartq5_lcd_control_device,
 164 };
 165
 166 static void __init smartq5_machine_init(void)
 167 {
 168         s3c_fb_set_platdata(&smartq5_lcd_pdata);
 169
 170         smartq_machine_init();
 171         smartq5_lcd_setup_gpio();
 172
 173         platform_add_devices(smartq5_devices, ARRAY_SIZE(smartq5_devices));
 174 }
 175
 176 MACHINE_START(SMARTQ5, "SmartQ 5")
 177         /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
 178         .phys_io        = S3C_PA_UART & 0xfff00000,
 179         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 180         .boot_params    = S3C64XX_PA_SDRAM + 0x100,
 181         .init_irq       = s3c6410_init_irq,
 182         .map_io         = smartq_map_io,
 183         .init_machine   = smartq5_machine_init,
 184         .timer          = &s3c24xx_timer,
 185 MACHINE_END