diff options
| author | Marek Behún <marek.behun@nic.cz> | 2018-09-24 14:06:52 +0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2018-10-13 16:19:40 +0300 |
| commit | 8562205592a69dd8817f9ff361fc0ffc55f5e9fe (patch) | |
| tree | f5243614380ab104d3b5f5ef8988ee3dece1e4b3 | |
| parent | 54e3d9b518c8a2a7a3acb14a5912fafd8ef38f40 (diff) | |
| download | linux-8562205592a69dd8817f9ff361fc0ffc55f5e9fe.tar.xz | |
dt-bindings: watchdog: Document armada-37xx-wdt binding
This adds device tree binding documentation for the CPU watchdog found
on Armada 37xx SOCs (EspressoBin, Turris Mox).
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt new file mode 100644 index 000000000000..a8d00c31a1d8 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt @@ -0,0 +1,23 @@ +* Armada 37xx CPU Watchdog Timer Controller + +Required properties: +- compatible : must be "marvell,armada-3700-wdt" +- reg : base physical address of the controller and length of memory mapped + region. +- clocks : the clock feeding the watchdog timer. See clock-bindings.txt +- marvell,system-controller : reference to syscon node for the CPU Miscellaneous + Registers + +Example: + + cpu_misc: system-controller@d000 { + compatible = "marvell,armada-3700-cpu-misc", "syscon"; + reg = <0xd000 0x1000>; + }; + + wdt: watchdog@8300 { + compatible = "marvell,armada-3700-wdt"; + reg = <0x8300 0x40>; + marvell,system-controller = <&cpu_misc>; + clocks = <&xtalclk>; + }; |