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-rw-r--r--drivers/watchdog/Kconfig8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index fc1b2959c0b3..5f29f72f4691 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1380,10 +1380,12 @@ config BCM7038_WDT
tristate "BCM7038 Watchdog"
select WATCHDOG_CORE
depends on HAS_IOMEM
+ depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
help
- Watchdog driver for the built-in hardware in Broadcom 7038 SoCs.
-
- Say 'Y or 'M' here to enable the driver.
+ Watchdog driver for the built-in hardware in Broadcom 7038 and
+ later SoCs used in set-top boxes. BCM7038 was made public
+ during the 2004 CES, and since then, many Broadcom chips use this
+ watchdog block, including some cable modem chips.
config IMGPDC_WDT
tristate "Imagination Technologies PDC Watchdog Timer"