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watchdog: introduce separate SPL symbol for WDT_GPIO

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Currently, enabling WDT_GPIO on a board which uses SPL, but does not
have SPL_WDT, SPL_DM_GPIO or SPL_OF_CONTROL enabled, breaks the build.

Make it possible to use the WDT_GPIO driver on such boards by
introducing a separate symbol controlling whether the driver is built
for SPL. Make it default to WDT_GPIO such that boards that already
have it enabled and all the SPL prerequisites satisfied will continue
to have it in SPL.

Signed-off-by: Rasmus Villemoes <ravi@prevas.dk>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Rasmus Villemoes 2024-10-07 19:47:16 +02:00 • committed by Stefan Roese
parent 6459964d73
commit ed3410ee60
2 changed files with 10 additions and 1 deletions
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9
drivers/watchdog/Kconfig
View file

@ -191,6 +191,15 @@ config WDT_GPIO
doc/device-tree-bindings/watchdog/gpio-wdt.txt for doc/device-tree-bindings/watchdog/gpio-wdt.txt for
information on how to describe the watchdog in device tree. information on how to describe the watchdog in device tree.
config SPL_WDT_GPIO
bool "External gpio watchdog support in SPL"
depends on SPL_WDT
depends on SPL_DM_GPIO
depends on SPL_OF_REAL
default WDT_GPIO
help
Support for external watchdog fed by toggling a gpio in SPL.
config WDT_MAX6370 config WDT_MAX6370
bool "MAX6370 watchdog timer support" bool "MAX6370 watchdog timer support"
depends on WDT depends on WDT

2
drivers/watchdog/Makefile
View file

@ -32,7 +32,7 @@ obj-$(CONFIG_WDT_CDNS) += cdns_wdt.o
obj-$(CONFIG_WDT_DA9063) += da9063-wdt.o obj-$(CONFIG_WDT_DA9063) += da9063-wdt.o
obj-$(CONFIG_WDT_DAVINCI) += davinci_wdt.o obj-$(CONFIG_WDT_DAVINCI) += davinci_wdt.o
obj-$(CONFIG_WDT_FTWDT010) += ftwdt010_wdt.o obj-$(CONFIG_WDT_FTWDT010) += ftwdt010_wdt.o
obj-$(CONFIG_WDT_GPIO) += gpio_wdt.o obj-$(CONFIG_$(SPL_TPL_)WDT_GPIO) += gpio_wdt.o
obj-$(CONFIG_WDT_MAX6370) += max6370_wdt.o obj-$(CONFIG_WDT_MAX6370) += max6370_wdt.o
obj-$(CONFIG_WDT_MCF) += mcf_wdt.o obj-$(CONFIG_WDT_MCF) += mcf_wdt.o
obj-$(CONFIG_WDT_MESON_GXBB) += meson_gxbb_wdt.o obj-$(CONFIG_WDT_MESON_GXBB) += meson_gxbb_wdt.o