64 lines
1.7 KiB
Diff
64 lines
1.7 KiB
Diff
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--- a/arch/arm/mach-cns21xx/common.h
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+++ b/arch/arm/mach-cns21xx/common.h
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@@ -19,5 +19,6 @@ extern struct sys_timer cns21xx_timer;
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int __init cns21xx_register_uart0(void);
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int __init cns21xx_register_uart1(void);
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int __init cns21xx_register_usb(void);
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+int __init cns21xx_register_wdt(void);
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#endif /* _MACH_CNS21XX_COMMON_H */
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--- a/arch/arm/mach-cns21xx/devices.c
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+++ b/arch/arm/mach-cns21xx/devices.c
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@@ -11,6 +11,7 @@
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/serial_8250.h>
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+#include <linux/fa_wdt.h>
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#include <mach/irqs.h>
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#include <mach/hardware.h>
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@@ -77,3 +78,32 @@ int __init cns21xx_register_uart1(void)
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HAL_MISC_ENABLE_UART1_PINS();
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return platform_device_register(&cns21xx_uart1_device);
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}
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+
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+static struct resource cns21xx_wdt_resources[] = {
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+ {
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+ .start = CNS21XX_WDT_BASE,
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+ .end = CNS21XX_WDT_BASE + SZ_4K - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+};
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+
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+#define CNS21XX_WDT_CLOCK 10 /* 10 Hz */
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+
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+static struct fa_wdt_platform_data cns21xx_wdt_data = {
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+ .clock = CNS21XX_WDT_CLOCK,
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+};
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+
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+static struct platform_device cns21xx_wdt_device = {
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+ .name = "fa-wdt",
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+ .id = -1,
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+ .resource = cns21xx_wdt_resources,
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+ .num_resources = ARRAY_SIZE(cns21xx_wdt_resources),
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+ .dev = {
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+ .platform_data = &cns21xx_wdt_data,
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+ },
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+};
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+
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+int __init cns21xx_register_wdt(void)
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+{
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+ return platform_device_register(&cns21xx_wdt_device);
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+}
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--- a/drivers/watchdog/Kconfig
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+++ b/drivers/watchdog/Kconfig
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@@ -333,7 +333,7 @@ config IMX2_WDT
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config FA_WATCHDOG
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tristate "Faraday watchdog"
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- depends on ARCH_GEMINI
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+ depends on ARCH_GEMINI || ARCH_CNS21XX
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help
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Say Y here if you want support for the built-in watchdog timer
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found in some Faraday FA526 based SoCs.
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