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dt-bindings: firmware: Document cznic,turris-mox-rwtm binding 

This adds device tree binding documentation for the driver communicating
with the rWTM firmware on Turris Mox.

Link: https://lore.kernel.org/r/20190822014318.19478-2-marek.behun@nic.cz
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Marek Behún 2019-08-22 03:43:16 +02:00 committed by Arnd Bergmann
parent 6811d26df5
commit 2c4aaa8763
2 changed files with 20 additions and 0 deletions
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Documentation/devicetree/bindings/firmware/cznic,turris-mox-rwtm.txt Normal file
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Turris Mox rWTM firmware driver
Required properties:
- compatible : Should be "cznic,turris-mox-rwtm"
- mboxes : Must contain a reference to associated mailbox
This device tree node should be used on Turris Mox, or potentially another A3700
compatible device running the Mox's rWTM firmware in the secure processor (for
example it is possible to flash this firmware into EspressoBin).
Example:
firmware {
turris-mox-rwtm {
compatible = "cznic,turris-mox-rwtm";
mboxes = <&rwtm 0>;
status = "okay";
};
};

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MAINTAINERS
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@ -1633,6 +1633,7 @@ S: Maintained
F: Documentation/ABI/testing/debugfs-moxtet
F: Documentation/ABI/testing/sysfs-bus-moxtet-devices
F: Documentation/devicetree/bindings/bus/moxtet.txt
F: Documentation/devicetree/bindings/firmware/cznic,turris-mox-rwtm.txt
F: Documentation/devicetree/bindings/gpio/gpio-moxtet.txt
F: include/linux/moxtet.h
F: drivers/bus/moxtet.c