target/linux/cns21xx/patches-3.3/202-cns21xx-add-watchdog-device.patch

   1 --- a/arch/arm/mach-cns21xx/common.h
   2 +++ b/arch/arm/mach-cns21xx/common.h
   3 @@ -20,5 +20,6 @@ extern struct sys_timer cns21xx_timer;
   4  int cns21xx_register_uart0(void);
   5  int cns21xx_register_uart1(void);
   6  int cns21xx_register_usb(void);
   7 +int cns21xx_register_wdt(void);
   8
   9  #endif /* _MACH_CNS21XX_COMMON_H */
  10 --- a/arch/arm/mach-cns21xx/devices.c
  11 +++ b/arch/arm/mach-cns21xx/devices.c
  12 @@ -11,6 +11,7 @@
  13  #include <linux/init.h>
  14  #include <linux/platform_device.h>
  15  #include <linux/serial_8250.h>
  16 +#include <linux/fa_wdt.h>
  17
  18  #include <mach/irqs.h>
  19  #include <mach/hardware.h>
  20 @@ -77,3 +78,32 @@ int __init cns21xx_register_uart1(void)
  21         HAL_MISC_ENABLE_UART1_PINS();
  22         return platform_device_register(&cns21xx_uart1_device);
  23  }
  24 +
  25 +static struct resource cns21xx_wdt_resources[] = {
  26 +       {
  27 +               .start  = CNS21XX_WDT_BASE,
  28 +               .end    = CNS21XX_WDT_BASE + SZ_4K - 1,
  29 +               .flags  = IORESOURCE_MEM,
  30 +       },
  31 +};
  32 +
  33 +#define CNS21XX_WDT_CLOCK      10      /* 10 Hz */
  34 +
  35 +static struct fa_wdt_platform_data cns21xx_wdt_data = {
  36 +       .clock  = CNS21XX_WDT_CLOCK,
  37 +};
  38 +
  39 +static struct platform_device cns21xx_wdt_device = {
  40 +       .name                   = "fa-wdt",
  41 +       .id                     = -1,
  42 +       .resource               = cns21xx_wdt_resources,
  43 +       .num_resources          = ARRAY_SIZE(cns21xx_wdt_resources),
  44 +       .dev = {
  45 +               .platform_data  = &cns21xx_wdt_data,
  46 +       },
  47 +};
  48 +
  49 +int __init cns21xx_register_wdt(void)
  50 +{
  51 +       return platform_device_register(&cns21xx_wdt_device);
  52 +}
  53 --- a/drivers/watchdog/Kconfig
  54 +++ b/drivers/watchdog/Kconfig
  55 @@ -345,7 +345,7 @@ config IMX2_WDT
  56
  57  config FA_WATCHDOG
  58         tristate "Faraday watchdog"
  59 -       depends on ARCH_GEMINI
  60 +       depends on ARCH_GEMINI || ARCH_CNS21XX
  61         help
  62           Say Y here if you want support for the built-in watchdog timer
  63           found in some Faraday FA526 based SoCs.