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authorSander Vanheule <sander@svanheule.net>2021-11-18 19:29:52 +0300
committerWim Van Sebroeck <wim@linux-watchdog.org>2022-01-05 12:33:14 +0300
commit7d7267ae639d569d74fc549f7c56cb39508c4b21 (patch)
tree3b6d05e0cad3a1fed647b56aaf9cedc8160d8d9d /MAINTAINERS
parent1da9bf73033d9867096c47236c5e04fbf90ca790 (diff)
downloadlinux-7d7267ae639d569d74fc549f7c56cb39508c4b21.tar.xz
watchdog: Add Realtek Otto watchdog timer
Realtek MIPS SoCs (platform name Otto) have a watchdog timer with pretimeout notifitication support. The WDT can (partially) hard reset, or soft reset the SoC. This driver implements all features as described in the devicetree binding, except the phase2 interrupt, and also functions as a restart handler. The cpu reset mode is considered to be a "warm" restart, since this mode does not reset all peripherals. Being an embedded system though, the "cpu" and "software" modes will still cause the bootloader to run on restart. It is not known how a forced system reset can be disabled on the supported platforms. This means that the phase2 interrupt will only fire at the same time as reset, so implementing phase2 is of little use. Signed-off-by: Sander Vanheule <sander@svanheule.net> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/6d060bccbdcc709cfa79203485db85aad3c3beb5.1637252610.git.sander@svanheule.net Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS7
1 files changed, 7 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index fb18ce7168aa..65595bed625a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16142,6 +16142,13 @@ S: Maintained
F: include/sound/rt*.h
F: sound/soc/codecs/rt*
+REALTEK OTTO WATCHDOG
+M: Sander Vanheule <sander@svanheule.net>
+L: linux-watchdog@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/watchdog/realtek,otto-wdt.yaml
+F: drivers/watchdog/realtek_otto_wdt.c
+
REALTEK RTL83xx SMI DSA ROUTER CHIPS
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained