arch/arm/mach-clps711x/devices.c

   1 /*
   2  *  CLPS711X common devices definitions
   3  *
   4  *  Author: Alexander Shiyan <shc_work@mail.ru>, 2013
   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 as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #include <linux/platform_device.h>
  13 #include <linux/sizes.h>
  14
  15 #include <mach/hardware.h>
  16
  17 static const phys_addr_t clps711x_gpios[][2] __initconst = {
  18         { PADR, PADDR },
  19         { PBDR, PBDDR },
  20         { PCDR, PCDDR },
  21         { PDDR, PDDDR },
  22         { PEDR, PEDDR },
  23 };
  24
  25 static void __init clps711x_add_gpio(void)
  26 {
  27         unsigned i;
  28         struct resource gpio_res[2];
  29
  30         memset(gpio_res, 0, sizeof(gpio_res));
  31
  32         gpio_res[0].flags = IORESOURCE_MEM;
  33         gpio_res[1].flags = IORESOURCE_MEM;
  34
  35         for (i = 0; i < ARRAY_SIZE(clps711x_gpios); i++) {
  36                 gpio_res[0].start = CLPS711X_PHYS_BASE + clps711x_gpios[i][0];
  37                 gpio_res[0].end = gpio_res[0].start;
  38                 gpio_res[1].start = CLPS711X_PHYS_BASE + clps711x_gpios[i][1];
  39                 gpio_res[1].end = gpio_res[1].start;
  40
  41                 platform_device_register_simple("clps711x-gpio", i,
  42                                                 gpio_res, ARRAY_SIZE(gpio_res));
  43         }
  44 }
  45
  46 const struct resource clps711x_syscon_res[] __initconst = {
  47         /* SYSCON1, SYSFLG1 */
  48         DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON1, SZ_128),
  49         /* SYSCON2, SYSFLG2 */
  50         DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON2, SZ_128),
  51         /* SYSCON3 */
  52         DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON3, SZ_64),
  53 };
  54
  55 static void __init clps711x_add_syscon(void)
  56 {
  57         unsigned i;
  58
  59         for (i = 0; i < ARRAY_SIZE(clps711x_syscon_res); i++)
  60                 platform_device_register_simple("syscon", i + 1,
  61                                                 &clps711x_syscon_res[i], 1);
  62 }
  63
  64 static const struct resource clps711x_uart1_res[] __initconst = {
  65         DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR1, SZ_128),
  66         DEFINE_RES_IRQ(IRQ_UTXINT1),
  67         DEFINE_RES_IRQ(IRQ_URXINT1),
  68 };
  69
  70 static const struct resource clps711x_uart2_res[] __initconst = {
  71         DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR2, SZ_128),
  72         DEFINE_RES_IRQ(IRQ_UTXINT2),
  73         DEFINE_RES_IRQ(IRQ_URXINT2),
  74 };
  75
  76 static void __init clps711x_add_uart(void)
  77 {
  78         platform_device_register_simple("clps711x-uart", 0, clps711x_uart1_res,
  79                                         ARRAY_SIZE(clps711x_uart1_res));
  80         platform_device_register_simple("clps711x-uart", 1, clps711x_uart2_res,
  81                                         ARRAY_SIZE(clps711x_uart2_res));
  82 };
  83
  84 void __init clps711x_devices_init(void)
  85 {
  86         clps711x_add_gpio();
  87         clps711x_add_syscon();
  88         clps711x_add_uart();
  89 }