[PATCH v5 1/2] drivers/watchdog: Add optional ASPEED device tree properties
robh at kernel.org
Tue Jul 25 03:49:29 AEST 2017
On Mon, Jul 17, 2017 at 02:25:38PM -0500, Christopher Bostic wrote:
> Describe device tree optional properties:
> * aspeed,reset-type = "cpu|soc|system|none"
> One of three different, mutually exclusive, values
> "cpu" : ARM CPU reset on signal
> "soc" : 'System on chip' reset
> "system" : Full system reset
> The value can also be set to "none" which indicates that no
> reset of any kind is to be done via this watchdog. This assumes
> another watchdog on the chip is to take care of resets.
> * aspeed,external-signal - Generate external signal (WDT1 and WDT2 only)
> * aspeed,alt-boot - Boot from alternate block on signal
> Signed-off-by: Christopher Bostic <cbostic at linux.vnet.ibm.com>
> v5 - Removed aspeed,interrupt property - no plans at this point to
> need this functionality in the driver.
> v4 - Add aspeed-reset-type and assign one of four values,
> cpu, soc, system, none.
> v3 - Invert soc and sys reset to 'no' to preserve backwards
> compatibility. SOC and SYS reset will be set by default
> without any optional parameters set
> v2 - Add 'aspeed,' prefix to all optional properties
> - Add arm-reset, soc-reset, interrupt, alt-boot properties
> .../devicetree/bindings/watchdog/aspeed-wdt.txt | 32 ++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
Acked-by: Rob Herring <robh at kernel.org>
More information about the openbmc