arch/arm/mach-pxa/vpac270.c

   1 /*
   2  * Hardware definitions for Voipac PXA270
   3  *
   4  * Copyright (C) 2010
   5  * Marek Vasut <marek.vasut@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  */
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/irq.h>
  16 #include <linux/gpio_keys.h>
  17 #include <linux/input.h>
  18 #include <linux/gpio.h>
  19 #include <linux/sysdev.h>
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/mtd/physmap.h>
  23
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26
  27 #include <mach/pxa27x.h>
  28 #include <mach/vpac270.h>
  29 #include <mach/mmc.h>
  30 #include <mach/pxafb.h>
  31
  32 #include "generic.h"
  33 #include "devices.h"
  34
  35 /******************************************************************************
  36  * Pin configuration
  37  ******************************************************************************/
  38 static unsigned long vpac270_pin_config[] __initdata = {
  39         /* MMC */
  40         GPIO32_MMC_CLK,
  41         GPIO92_MMC_DAT_0,
  42         GPIO109_MMC_DAT_1,
  43         GPIO110_MMC_DAT_2,
  44         GPIO111_MMC_DAT_3,
  45         GPIO112_MMC_CMD,
  46         GPIO53_GPIO,    /* SD detect */
  47         GPIO52_GPIO,    /* SD r/o switch */
  48
  49         /* GPIO KEYS */
  50         GPIO1_GPIO,     /* USER BTN */
  51
  52         /* LEDs */
  53         GPIO15_GPIO,    /* orange led */
  54
  55         /* FFUART */
  56         GPIO34_FFUART_RXD,
  57         GPIO39_FFUART_TXD,
  58         GPIO27_FFUART_RTS,
  59         GPIO100_FFUART_CTS,
  60         GPIO33_FFUART_DSR,
  61         GPIO40_FFUART_DTR,
  62         GPIO10_FFUART_DCD,
  63         GPIO38_FFUART_RI,
  64
  65         /* LCD */
  66         GPIO58_LCD_LDD_0,
  67         GPIO59_LCD_LDD_1,
  68         GPIO60_LCD_LDD_2,
  69         GPIO61_LCD_LDD_3,
  70         GPIO62_LCD_LDD_4,
  71         GPIO63_LCD_LDD_5,
  72         GPIO64_LCD_LDD_6,
  73         GPIO65_LCD_LDD_7,
  74         GPIO66_LCD_LDD_8,
  75         GPIO67_LCD_LDD_9,
  76         GPIO68_LCD_LDD_10,
  77         GPIO69_LCD_LDD_11,
  78         GPIO70_LCD_LDD_12,
  79         GPIO71_LCD_LDD_13,
  80         GPIO72_LCD_LDD_14,
  81         GPIO73_LCD_LDD_15,
  82         GPIO86_LCD_LDD_16,
  83         GPIO87_LCD_LDD_17,
  84         GPIO74_LCD_FCLK,
  85         GPIO75_LCD_LCLK,
  86         GPIO76_LCD_PCLK,
  87         GPIO77_LCD_BIAS,
  88
  89         /* PCMCIA */
  90         GPIO48_nPOE,
  91         GPIO49_nPWE,
  92         GPIO50_nPIOR,
  93         GPIO51_nPIOW,
  94         GPIO85_nPCE_1,
  95         GPIO54_nPCE_2,
  96         GPIO55_nPREG,
  97         GPIO57_nIOIS16,
  98         GPIO56_nPWAIT,
  99         GPIO104_PSKTSEL,
 100         GPIO84_GPIO,    /* PCMCIA CD */
 101         GPIO35_GPIO,    /* PCMCIA RDY */
 102         GPIO107_GPIO,   /* PCMCIA PPEN */
 103         GPIO11_GPIO,    /* PCMCIA RESET */
 104         GPIO17_GPIO,    /* CF CD */
 105         GPIO12_GPIO,    /* CF RDY */
 106         GPIO16_GPIO,    /* CF RESET */
 107
 108 };
 109
 110 /******************************************************************************
 111  * NOR Flash
 112  ******************************************************************************/
 113 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 114 static struct mtd_partition vpac270_partitions[] = {
 115         {
 116                 .name           = "Flash",
 117                 .offset         = 0x00000000,
 118                 .size           = MTDPART_SIZ_FULL,
 119         }
 120 };
 121
 122 static struct physmap_flash_data vpac270_flash_data[] = {
 123         {
 124                 .width          = 2,    /* bankwidth in bytes */
 125                 .parts          = vpac270_partitions,
 126                 .nr_parts       = ARRAY_SIZE(vpac270_partitions)
 127         }
 128 };
 129
 130 static struct resource vpac270_flash_resource = {
 131         .start  = PXA_CS0_PHYS,
 132         .end    = PXA_CS0_PHYS + SZ_64M - 1,
 133         .flags  = IORESOURCE_MEM,
 134 };
 135
 136 static struct platform_device vpac270_flash = {
 137         .name           = "physmap-flash",
 138         .id             = 0,
 139         .resource       = &vpac270_flash_resource,
 140         .num_resources  = 1,
 141         .dev            = {
 142                 .platform_data = vpac270_flash_data,
 143         },
 144 };
 145 static void __init vpac270_nor_init(void)
 146 {
 147         platform_device_register(&vpac270_flash);
 148 }
 149 #else
 150 static inline void vpac270_nor_init(void) {}
 151 #endif
 152
 153 /******************************************************************************
 154  * SD/MMC card controller
 155  ******************************************************************************/
 156 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 157 static struct pxamci_platform_data vpac270_mci_platform_data = {
 158         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 159         .gpio_card_detect       = GPIO53_VPAC270_SD_DETECT_N,
 160         .gpio_card_ro           = GPIO52_VPAC270_SD_READONLY,
 161         .detect_delay           = 20,
 162 };
 163
 164 static void __init vpac270_mmc_init(void)
 165 {
 166         pxa_set_mci_info(&vpac270_mci_platform_data);
 167 }
 168 #else
 169 static inline void vpac270_mmc_init(void) {}
 170 #endif
 171
 172 /******************************************************************************
 173  * GPIO keys
 174  ******************************************************************************/
 175 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 176 static struct gpio_keys_button vpac270_pxa_buttons[] = {
 177         {KEY_POWER, GPIO1_VPAC270_USER_BTN, 0, "USER BTN"},
 178 };
 179
 180 static struct gpio_keys_platform_data vpac270_pxa_keys_data = {
 181         .buttons        = vpac270_pxa_buttons,
 182         .nbuttons       = ARRAY_SIZE(vpac270_pxa_buttons),
 183 };
 184
 185 static struct platform_device vpac270_pxa_keys = {
 186         .name   = "gpio-keys",
 187         .id     = -1,
 188         .dev    = {
 189                 .platform_data = &vpac270_pxa_keys_data,
 190         },
 191 };
 192
 193 static void __init vpac270_keys_init(void)
 194 {
 195         platform_device_register(&vpac270_pxa_keys);
 196 }
 197 #else
 198 static inline void vpac270_keys_init(void) {}
 199 #endif
 200
 201 /******************************************************************************
 202  * LED
 203  ******************************************************************************/
 204 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 205 struct gpio_led vpac270_gpio_leds[] = {
 206 {
 207         .name                   = "vpac270:orange:user",
 208         .default_trigger        = "none",
 209         .gpio                   = GPIO15_VPAC270_LED_ORANGE,
 210         .active_low             = 1,
 211 }
 212 };
 213
 214 static struct gpio_led_platform_data vpac270_gpio_led_info = {
 215         .leds           = vpac270_gpio_leds,
 216         .num_leds       = ARRAY_SIZE(vpac270_gpio_leds),
 217 };
 218
 219 static struct platform_device vpac270_leds = {
 220         .name   = "leds-gpio",
 221         .id     = -1,
 222         .dev    = {
 223                 .platform_data  = &vpac270_gpio_led_info,
 224         }
 225 };
 226
 227 static void __init vpac270_leds_init(void)
 228 {
 229         platform_device_register(&vpac270_leds);
 230 }
 231 #else
 232 static inline void vpac270_leds_init(void) {}
 233 #endif
 234
 235 /******************************************************************************
 236  * Framebuffer
 237  ******************************************************************************/
 238 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 239 static struct pxafb_mode_info vpac270_lcd_modes[] = {
 240 {
 241         .pixclock       = 57692,
 242         .xres           = 640,
 243         .yres           = 480,
 244         .bpp            = 32,
 245         .depth          = 18,
 246
 247         .left_margin    = 144,
 248         .right_margin   = 32,
 249         .upper_margin   = 13,
 250         .lower_margin   = 30,
 251
 252         .hsync_len      = 32,
 253         .vsync_len      = 2,
 254
 255         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 256 },
 257 };
 258
 259 static struct pxafb_mach_info vpac270_lcd_screen = {
 260         .modes          = vpac270_lcd_modes,
 261         .num_modes      = ARRAY_SIZE(vpac270_lcd_modes),
 262         .lcd_conn       = LCD_COLOR_TFT_18BPP,
 263 };
 264
 265 static void vpac270_lcd_power(int on, struct fb_var_screeninfo *info)
 266 {
 267         gpio_set_value(GPIO81_VPAC270_BKL_ON, on);
 268 }
 269
 270 static void __init vpac270_lcd_init(void)
 271 {
 272         int ret;
 273
 274         ret = gpio_request(GPIO81_VPAC270_BKL_ON, "BKL-ON");
 275         if (ret) {
 276                 pr_err("Requesting BKL-ON GPIO failed!\n");
 277                 goto err;
 278         }
 279
 280         ret = gpio_direction_output(GPIO81_VPAC270_BKL_ON, 1);
 281         if (ret) {
 282                 pr_err("Setting BKL-ON GPIO direction failed!\n");
 283                 goto err2;
 284         }
 285
 286         vpac270_lcd_screen.pxafb_lcd_power = vpac270_lcd_power;
 287         set_pxa_fb_info(&vpac270_lcd_screen);
 288         return;
 289
 290 err2:
 291         gpio_free(GPIO81_VPAC270_BKL_ON);
 292 err:
 293         return;
 294 }
 295 #else
 296 static inline void vpac270_lcd_init(void) {}
 297 #endif
 298
 299 /******************************************************************************
 300  * Machine init
 301  ******************************************************************************/
 302 static void __init vpac270_init(void)
 303 {
 304         pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
 305
 306         pxa_set_ffuart_info(NULL);
 307         pxa_set_btuart_info(NULL);
 308         pxa_set_stuart_info(NULL);
 309
 310         vpac270_lcd_init();
 311         vpac270_mmc_init();
 312         vpac270_nor_init();
 313         vpac270_leds_init();
 314         vpac270_keys_init();
 315 }
 316
 317 MACHINE_START(VPAC270, "Voipac PXA270")
 318         .phys_io        = 0x40000000,
 319         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 320         .boot_params    = 0xa0000100,
 321         .map_io         = pxa_map_io,
 322         .init_irq       = pxa27x_init_irq,
 323         .timer          = &pxa_timer,
 324         .init_machine   = vpac270_init
 325 MACHINE_END