1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
--- a/arch/arm/mach-cns21xx/common.h
+++ b/arch/arm/mach-cns21xx/common.h
@@ -20,5 +20,6 @@ extern struct sys_timer cns21xx_timer;
int cns21xx_register_uart0(void);
int cns21xx_register_uart1(void);
int cns21xx_register_usb(void);
+int cns21xx_register_wdt(void);
#endif /* _MACH_CNS21XX_COMMON_H */
--- a/arch/arm/mach-cns21xx/devices.c
+++ b/arch/arm/mach-cns21xx/devices.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
+#include <linux/fa_wdt.h>
#include <mach/irqs.h>
#include <mach/hardware.h>
@@ -77,3 +78,32 @@ int __init cns21xx_register_uart1(void)
HAL_MISC_ENABLE_UART1_PINS();
return platform_device_register(&cns21xx_uart1_device);
}
+
+static struct resource cns21xx_wdt_resources[] = {
+ {
+ .start = CNS21XX_WDT_BASE,
+ .end = CNS21XX_WDT_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+#define CNS21XX_WDT_CLOCK 10 /* 10 Hz */
+
+static struct fa_wdt_platform_data cns21xx_wdt_data = {
+ .clock = CNS21XX_WDT_CLOCK,
+};
+
+static struct platform_device cns21xx_wdt_device = {
+ .name = "fa-wdt",
+ .id = -1,
+ .resource = cns21xx_wdt_resources,
+ .num_resources = ARRAY_SIZE(cns21xx_wdt_resources),
+ .dev = {
+ .platform_data = &cns21xx_wdt_data,
+ },
+};
+
+int __init cns21xx_register_wdt(void)
+{
+ return platform_device_register(&cns21xx_wdt_device);
+}
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -366,7 +366,7 @@ config IMX2_WDT
config FA_WATCHDOG
tristate "Faraday watchdog"
- depends on ARCH_GEMINI
+ depends on ARCH_GEMINI || ARCH_CNS21XX
help
Say Y here if you want support for the built-in watchdog timer
found in some Faraday FA526 based SoCs.
|
