target/linux/mx2/files/arch/arm/mach-mx2/mach-vp6500.c

   1 #include <linux/platform_device.h>
   2 #include <linux/mtd/mtd.h>
   3 #include <linux/mtd/physmap.h>
   4 #include <linux/gpio.h>
   5 #include <linux/leds.h>
   6
   7 #include <mach/common.h>
   8 #include <mach/hardware.h>
   9 #include <asm/mach-types.h>
  10 #include <asm/mach/arch.h>
  11 #include <asm/mach/time.h>
  12 #include <asm/mach/map.h>
  13 #include <mach/imx-uart.h>
  14 #include <mach/imxfb.h>
  15 #include <mach/iomux-mx21.h>
  16 #include <mach/board-vp6500.h>
  17
  18 #include "devices.h"
  19
  20 #include <linux/input.h>
  21 #include <linux/input/matrix_keypad.h>
  22 #include <linux/gpio_keys.h>
  23 #include <linux/pwm_backlight.h>
  24
  25 static unsigned int vp6500_pins[] = {
  26         /* UART1 */
  27         PE12_PF_UART1_TXD,
  28         PE13_PF_UART1_RXD,
  29
  30 #if 0
  31         /* LCDC */
  32         PA5_PF_LSCLK,
  33         PA6_PF_LD0,
  34         PA7_PF_LD1,
  35         PA8_PF_LD2,
  36         PA9_PF_LD3,
  37         PA10_PF_LD4,
  38         PA11_PF_LD5,
  39         PA12_PF_LD6,
  40         PA13_PF_LD7,
  41         PA14_PF_LD8,
  42         PA15_PF_LD9,
  43         PA16_PF_LD10,
  44         PA17_PF_LD11,
  45         PA18_PF_LD12,
  46         PA19_PF_LD13,
  47         PA20_PF_LD14,
  48         PA21_PF_LD15,
  49         PA22_PF_LD16,
  50         PA28_PF_HSYNC,
  51         PA29_PF_VSYNC,
  52         PA30_PF_CONTRAST,
  53         PA31_PF_OE_ACD,
  54 #endif
  55
  56         /* LCD Backlight */
  57         PE5_PF_PWMO,
  58         VP6500_GPIO_BACKLIGHT_EN | GPIO_GPIO | GPIO_OUT,
  59 };
  60
  61 /* Flash */
  62
  63 static struct physmap_flash_data vp6500_flash_data = {
  64         .width = 2,
  65 };
  66
  67 static struct resource vp6500_flash_resource = {
  68         .start = MX21_CS0_BASE_ADDR,
  69         .end = MX21_CS0_BASE_ADDR + SZ_64M - 1,
  70         .flags = IORESOURCE_MEM,
  71 };
  72
  73 static struct platform_device vp6500_nor_mtd_device = {
  74         .name = "physmap-flash",
  75         .id = -1,
  76         .dev = {
  77                 .platform_data = &vp6500_flash_data,
  78         },
  79         .num_resources = 1,
  80         .resource = &vp6500_flash_resource,
  81 };
  82
  83 /* LEDs */
  84
  85 static struct gpio_led vp6500_leds[] = {
  86         {
  87                 .name = "vp6500:orange:keypad",
  88                 .gpio = VP6500_GPIO_LED_KEYPAD,
  89         },
  90         {
  91                 .name = "vp6500:green:",
  92                 .gpio = VP6500_GPIO_LED_GREEN,
  93                 .active_low = 1,
  94                 .default_state = LEDS_GPIO_DEFSTATE_ON,
  95         },
  96         {
  97                 .name = "vp6500:red:",
  98                 .gpio = VP6500_GPIO_LED_RED,
  99         },
 100         {
 101                 .name = "vp6500:red:camera",
 102                 .gpio = VP6500_GPIO_LED_CAMERA,
 103         },
 104 };
 105
 106 static struct gpio_led_platform_data vp6500_leds_data = {
 107         .leds           = vp6500_leds,
 108         .num_leds       = ARRAY_SIZE(vp6500_leds),
 109 };
 110
 111 static struct platform_device vp6500_leds_device = {
 112         .name = "leds-gpio",
 113         .id = -1,
 114         .dev = {
 115                 .platform_data = &vp6500_leds_data,
 116         },
 117 };
 118
 119 /* Keypad */
 120
 121 static const uint32_t vp6500_keypad_keys[] = {
 122         KEY(0, 3, KEY_F2),
 123         KEY(0, 4, KEY_RIGHT),
 124         KEY(1, 0, KEY_ZOOM),
 125         KEY(1, 1, KEY_NUMERIC_POUND),
 126         KEY(1, 2, KEY_0),
 127         KEY(1, 3, KEY_ENTER),
 128         KEY(1, 4, KEY_8),
 129         KEY(2, 0, KEY_5),
 130         KEY(2, 1, KEY_2),
 131         KEY(2, 2, KEY_DOWN),
 132         KEY(2, 3, KEY_OK),
 133         KEY(2, 4, KEY_UP),
 134         KEY(3, 0, KEY_CAMERA),
 135         KEY(3, 1, KEY_NUMERIC_STAR),
 136         KEY(3, 2, KEY_9),
 137         KEY(3, 3, KEY_LEFT),
 138         KEY(3, 4, KEY_6),
 139         KEY(4, 0, KEY_7),
 140         KEY(4, 1, KEY_4),
 141         KEY(4, 2, KEY_1),
 142         KEY(4, 3, KEY_3),
 143         KEY(4, 4, KEY_F1),
 144 };
 145
 146 static struct matrix_keymap_data vp6500_keypad_data = {
 147         .keymap = vp6500_keypad_keys,
 148         .keymap_size = ARRAY_SIZE(vp6500_keypad_keys),
 149 };
 150
 151 static struct resource vp6500_keypad_resources[] = {
 152         {
 153                 .start = MX21_KPP_BASE_ADDR,
 154                 .end = MX21_KPP_BASE_ADDR + 0x10 - 1,
 155                 .flags = IORESOURCE_MEM,
 156         },
 157         {
 158                 .start = MX21_INT_KPP,
 159                 .flags = IORESOURCE_IRQ,
 160         }
 161 };
 162
 163 static struct platform_device vp6500_keypad_device = {
 164         .name = "imx-keypad",
 165         .id = 0,
 166         .dev = {
 167                 .platform_data = &vp6500_keypad_data,
 168         },
 169         .resource = vp6500_keypad_resources,
 170         .num_resources = ARRAY_SIZE(vp6500_keypad_resources),
 171 };
 172
 173 static struct gpio_keys_button vp6500_keys = {
 174         .gpio = VP6500_GPIO_POWER_KEY,
 175         .code = KEY_POWER,
 176         .desc = "Power button",
 177         .active_low = 1,
 178 };
 179
 180 static struct gpio_keys_platform_data vp6500_key_data = {
 181         .buttons = &vp6500_keys,
 182         .nbuttons = 1,
 183 };
 184
 185 static struct platform_device vp6500_key_device = {
 186         .name = "gpio-keys",
 187         .id = -1,
 188         .dev = {
 189                 .platform_data = &vp6500_key_data,
 190         },
 191 };
 192
 193 /* LCD backlight */
 194
 195 static int vp6500_backlight_notify(struct device *dev, int brightness)
 196 {
 197         gpio_set_value(VP6500_GPIO_BACKLIGHT_EN, !!brightness);
 198
 199         return brightness;
 200 }
 201
 202 static struct platform_pwm_backlight_data vp6500_backlight_data = {
 203         .max_brightness = 255,
 204         .dft_brightness = 100,
 205         .pwm_period_ns = 15000000,
 206         .notify = vp6500_backlight_notify,
 207 };
 208
 209 static struct platform_device vp6500_backlight_device = {
 210         .name = "pwm-backlight",
 211         .id = -1,
 212         .dev = {
 213                 .parent = &mxc_pwm_device.dev,
 214                 .platform_data = &vp6500_backlight_data,
 215         },
 216 };
 217
 218
 219 static struct platform_device *platform_devices[] __initdata = {
 220         &vp6500_nor_mtd_device,
 221         &vp6500_leds_device,
 222         &vp6500_keypad_device,
 223         &vp6500_key_device,
 224         &vp6500_backlight_device,
 225 };
 226
 227 static void __init vp6500_board_init(void)
 228 {
 229         mxc_gpio_setup_multiple_pins(vp6500_pins, ARRAY_SIZE(vp6500_pins),
 230                         "vp6500");
 231
 232         mxc_register_device(&mxc_uart_device0, NULL);
 233         mxc_register_device(&mxc_pwm_device, NULL);
 234
 235         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 236 }
 237
 238 static void __init vp6500_timer_init(void)
 239 {
 240         mx21_clocks_init(32768, 26000000);
 241 }
 242
 243 static struct sys_timer vp6500_timer = {
 244         .init   = vp6500_timer_init,
 245 };
 246
 247 MACHINE_START(VP6500, "Phillips VP6500")
 248         .phys_io        = MX21_AIPI_BASE_ADDR,
 249         .io_pg_offst    = ((MX21_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 250         .boot_params    = MX21_PHYS_OFFSET + 0x100,
 251         .map_io         = mx21_map_io,
 252         .init_irq       = mx21_init_irq,
 253         .init_machine   = vp6500_board_init,
 254         .timer          = &vp6500_timer,
 255 MACHINE_END