arch/arm/mach-pxa/zylonite.c

   1 /*
   2  * linux/arch/arm/mach-pxa/zylonite.c
   3  *
   4  * Support for the PXA3xx Development Platform (aka Zylonite)
   5  *
   6  * Copyright (C) 2006 Marvell International Ltd.
   7  *
   8  * 2007-09-04: eric miao <eric.miao@marvell.com>
   9  *             rewrite to align with latest kernel
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/hardware.h>
  25 #include <asm/arch/gpio.h>
  26 #include <asm/arch/pxafb.h>
  27 #include <asm/arch/zylonite.h>
  28 #include <asm/arch/mmc.h>
  29 #include <asm/arch/pxa27x_keypad.h>
  30
  31 #include "generic.h"
  32
  33 #define MAX_SLOTS       3
  34 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
  35
  36 int gpio_backlight;
  37 int gpio_eth_irq;
  38
  39 int wm9713_irq;
  40
  41 int lcd_id;
  42 int lcd_orientation;
  43
  44 static struct resource smc91x_resources[] = {
  45         [0] = {
  46                 .start  = ZYLONITE_ETH_PHYS + 0x300,
  47                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
  48                 .flags  = IORESOURCE_MEM,
  49         },
  50         [1] = {
  51                 .start  = -1,   /* for run-time assignment */
  52                 .end    = -1,
  53                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  54         }
  55 };
  56
  57 static struct platform_device smc91x_device = {
  58         .name           = "smc91x",
  59         .id             = 0,
  60         .num_resources  = ARRAY_SIZE(smc91x_resources),
  61         .resource       = smc91x_resources,
  62 };
  63
  64 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
  65 static void zylonite_backlight_power(int on)
  66 {
  67         gpio_set_value(gpio_backlight, on);
  68 }
  69
  70 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
  71         .pixclock               = 110000,
  72         .xres                   = 240,
  73         .yres                   = 320,
  74         .bpp                    = 16,
  75         .hsync_len              = 4,
  76         .left_margin            = 6,
  77         .right_margin           = 4,
  78         .vsync_len              = 2,
  79         .upper_margin           = 2,
  80         .lower_margin           = 3,
  81         .sync                   = FB_SYNC_VERT_HIGH_ACT,
  82 };
  83
  84 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
  85         .pixclock               = 50000,
  86         .xres                   = 640,
  87         .yres                   = 480,
  88         .bpp                    = 16,
  89         .hsync_len              = 1,
  90         .left_margin            = 0x9f,
  91         .right_margin           = 1,
  92         .vsync_len              = 44,
  93         .upper_margin           = 0,
  94         .lower_margin           = 0,
  95         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
  96 };
  97
  98 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
  99         .num_modes              = 1,
 100         .lccr0                  = LCCR0_Act,
 101         .lccr3                  = LCCR3_PCP,
 102         .pxafb_backlight_power  = zylonite_backlight_power,
 103 };
 104
 105 static struct pxafb_mode_info sharp_ls037_modes[] = {
 106         [0] = {
 107                 .pixclock       = 158000,
 108                 .xres           = 240,
 109                 .yres           = 320,
 110                 .bpp            = 16,
 111                 .hsync_len      = 4,
 112                 .left_margin    = 39,
 113                 .right_margin   = 39,
 114                 .vsync_len      = 1,
 115                 .upper_margin   = 2,
 116                 .lower_margin   = 3,
 117                 .sync           = 0,
 118         },
 119         [1] = {
 120                 .pixclock       = 39700,
 121                 .xres           = 480,
 122                 .yres           = 640,
 123                 .bpp            = 16,
 124                 .hsync_len      = 8,
 125                 .left_margin    = 81,
 126                 .right_margin   = 81,
 127                 .vsync_len      = 1,
 128                 .upper_margin   = 2,
 129                 .lower_margin   = 7,
 130                 .sync           = 0,
 131         },
 132 };
 133
 134 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
 135         .modes                  = sharp_ls037_modes,
 136         .num_modes              = 2,
 137         .lccr0                  = LCCR0_Act,
 138         .lccr3                  = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
 139         .pxafb_backlight_power  = zylonite_backlight_power,
 140 };
 141
 142 static void __init zylonite_init_lcd(void)
 143 {
 144         /* backlight GPIO: output, default on */
 145         gpio_direction_output(gpio_backlight, 1);
 146
 147         if (lcd_id & 0x20) {
 148                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
 149                 return;
 150         }
 151
 152         /* legacy LCD panels, it would be handy here if LCD panel type can
 153          * be decided at run-time
 154          */
 155         if (1)
 156                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
 157         else
 158                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
 159
 160         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
 161 }
 162 #else
 163 static inline void zylonite_init_lcd(void) {}
 164 #endif
 165
 166 #if defined(CONFIG_MMC)
 167 static int zylonite_mci_ro(struct device *dev)
 168 {
 169         struct platform_device *pdev = to_platform_device(dev);
 170
 171         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
 172 }
 173
 174 static int zylonite_mci_init(struct device *dev,
 175                              irq_handler_t zylonite_detect_int,
 176                              void *data)
 177 {
 178         struct platform_device *pdev = to_platform_device(dev);
 179         int err, cd_irq, gpio_cd, gpio_wp;
 180
 181         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 182         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 183         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 184
 185         /*
 186          * setup GPIO for Zylonite MMC controller
 187          */
 188         err = gpio_request(gpio_cd, "mmc card detect");
 189         if (err)
 190                 goto err_request_cd;
 191         gpio_direction_input(gpio_cd);
 192
 193         err = gpio_request(gpio_wp, "mmc write protect");
 194         if (err)
 195                 goto err_request_wp;
 196         gpio_direction_input(gpio_wp);
 197
 198         err = request_irq(cd_irq, zylonite_detect_int,
 199                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 200                           "MMC card detect", data);
 201         if (err) {
 202                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
 203                                 "can't request card detect IRQ\n", __func__);
 204                 goto err_request_irq;
 205         }
 206
 207         return 0;
 208
 209 err_request_irq:
 210         gpio_free(gpio_wp);
 211 err_request_wp:
 212         gpio_free(gpio_cd);
 213 err_request_cd:
 214         return err;
 215 }
 216
 217 static void zylonite_mci_exit(struct device *dev, void *data)
 218 {
 219         struct platform_device *pdev = to_platform_device(dev);
 220         int cd_irq, gpio_cd, gpio_wp;
 221
 222         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 223         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 224         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 225
 226         free_irq(cd_irq, data);
 227         gpio_free(gpio_cd);
 228         gpio_free(gpio_wp);
 229 }
 230
 231 static struct pxamci_platform_data zylonite_mci_platform_data = {
 232         .detect_delay   = 20,
 233         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 234         .init           = zylonite_mci_init,
 235         .exit           = zylonite_mci_exit,
 236         .get_ro         = zylonite_mci_ro,
 237 };
 238
 239 static struct pxamci_platform_data zylonite_mci2_platform_data = {
 240         .detect_delay   = 20,
 241         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 242 };
 243
 244 static void __init zylonite_init_mmc(void)
 245 {
 246         pxa_set_mci_info(&zylonite_mci_platform_data);
 247         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
 248         if (cpu_is_pxa310())
 249                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
 250 }
 251 #else
 252 static inline void zylonite_init_mmc(void) {}
 253 #endif
 254
 255 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULES)
 256 static unsigned int zylonite_matrix_key_map[] = {
 257         /* KEY(row, col, key_code) */
 258         KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
 259         KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
 260         KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
 261         KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
 262         KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
 263         KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
 264         KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
 265
 266         KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
 267         KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
 268         KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
 269
 270         KEY(4, 5, KEY_SPACE),
 271         KEY(5, 3, KEY_KPASTERISK),      /* * */
 272         KEY(5, 4, KEY_KPDOT),           /* #" */
 273
 274         KEY(0, 7, KEY_UP),
 275         KEY(1, 7, KEY_DOWN),
 276         KEY(2, 7, KEY_LEFT),
 277         KEY(3, 7, KEY_RIGHT),
 278         KEY(2, 6, KEY_HOME),
 279         KEY(3, 6, KEY_END),
 280         KEY(6, 4, KEY_DELETE),
 281         KEY(6, 6, KEY_BACK),
 282         KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
 283
 284         KEY(4, 6, KEY_ENTER),           /* scroll push */
 285         KEY(5, 7, KEY_ENTER),           /* keypad action */
 286
 287         KEY(0, 4, KEY_EMAIL),
 288         KEY(5, 6, KEY_SEND),
 289         KEY(4, 0, KEY_CALENDAR),
 290         KEY(7, 6, KEY_RECORD),
 291         KEY(6, 7, KEY_VOLUMEUP),
 292         KEY(7, 7, KEY_VOLUMEDOWN),
 293
 294         KEY(0, 6, KEY_F22),     /* soft1 */
 295         KEY(1, 6, KEY_F23),     /* soft2 */
 296         KEY(0, 3, KEY_AUX),     /* contact */
 297 };
 298
 299 static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
 300         .matrix_key_rows        = 8,
 301         .matrix_key_cols        = 8,
 302         .matrix_key_map         = zylonite_matrix_key_map,
 303         .matrix_key_map_size    = ARRAY_SIZE(zylonite_matrix_key_map),
 304
 305         .enable_rotary0         = 1,
 306         .rotary0_up_key         = KEY_UP,
 307         .rotary0_down_key       = KEY_DOWN,
 308
 309         .debounce_interval      = 30,
 310 };
 311
 312 static void __init zylonite_init_keypad(void)
 313 {
 314         pxa_set_keypad_info(&zylonite_keypad_info);
 315 }
 316 #else
 317 static inline void zylonite_init_keypad(void) {}
 318 #endif
 319
 320 static void __init zylonite_init(void)
 321 {
 322         /* board-processor specific initialization */
 323         zylonite_pxa300_init();
 324         zylonite_pxa320_init();
 325
 326         /*
 327          * Note: We depend that the bootloader set
 328          * the correct value to MSC register for SMC91x.
 329          */
 330         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
 331         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
 332         platform_device_register(&smc91x_device);
 333
 334         zylonite_init_lcd();
 335         zylonite_init_mmc();
 336         zylonite_init_keypad();
 337 }
 338
 339 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
 340         .phys_io        = 0x40000000,
 341         .boot_params    = 0xa0000100,
 342         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 343         .map_io         = pxa_map_io,
 344         .init_irq       = pxa3xx_init_irq,
 345         .timer          = &pxa_timer,
 346         .init_machine   = zylonite_init,
 347 MACHINE_END