| 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 | @@ -354,7 +354,7 @@ 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. |
| 64 | |