arch/arm/plat-samsung/dev-gib.c

   1
   2 #include <linux/gfp.h>
   3 #include <linux/kernel.h>
   4 #include <linux/string.h>
   5 #include <linux/platform_device.h>
   6
   7 #include <mach/irqs.h>
   8 #include <mach/map.h>
   9
  10 #include <plat/regs-iic.h>
  11 #include <plat/gib.h>
  12 #include <plat/devs.h>
  13 #include <plat/cpu.h>
  14
  15 static struct resource s3c_gib_resource[] = {
  16         [0] = {
  17                 .start = S5P_PA_GPS,
  18                 .end   = S5P_PA_GPS + S5P_SZ_GPS,
  19                 .flags = IORESOURCE_MEM,
  20         },
  21         [1] = {
  22                 .start = IRQ_GPS,
  23                 .end   = IRQ_GPS,
  24                 .flags = IORESOURCE_IRQ,
  25         },
  26 };
  27
  28
  29 static u64 s3c_device_gib_dmamask = 0xffffffffUL;
  30
  31 struct platform_device s3c_device_gib = {
  32         .name             = "s3c-gib",
  33         .id               = 0,
  34         .num_resources    = ARRAY_SIZE(s3c_gib_resource),
  35         .resource         = s3c_gib_resource,
  36         .dev              = {
  37                 .dma_mask = &s3c_device_gib_dmamask,
  38                 .coherent_dma_mask = 0xffffffffUL
  39         }
  40 };
  41 EXPORT_SYMBOL(s3c_device_gib);
  42
  43
  44 static struct s3c_gib_platdata default_gib_data __initdata = {
  45         .flags          = 0,
  46         .slave_addr     = 0x10,
  47         .frequency      = 100*1000,
  48         .sda_delay      = 100,
  49 };
  50
  51 void __init s3c_gib_set_platdata(struct s3c_gib_platdata *pd)
  52 {
  53         struct s3c_gib_platdata *npd;
  54
  55         if (!pd)
  56                 pd = &default_gib_data;
  57
  58         npd = kmemdup(pd, sizeof(struct s3c_gib_platdata), GFP_KERNEL);
  59         if (!npd)
  60                 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
  61         s3c_device_gib.dev.platform_data = npd;
  62 }
  63
  64
  65