dt: bindings: add documentation for zx2967 family reset controller

This patch adds dt-binding documentation for zx2967 family
reset controller.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Reviewed-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

diff --git a/Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt b/Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt
new file mode 100644 (file)
index 0000000..b015508
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/zte,zx2967-reset.txt
@@ -0,0 +1,20 @@
+ZTE zx2967 SoCs Reset Controller
+=======================================
+
+Please also refer to reset.txt in this directory for common reset
+controller binding usage.
+
+Required properties:
+- compatible: should be one of the following.
+       * zte,zx296718-reset
+- reg: physical base address of the controller and length of memory mapped
+       region.
+- #reset-cells: must be 1.
+
+example:
+
+       reset: reset-controller@1461060 {
+               compatible = "zte,zx296718-reset";
+               reg = <0x01461060 0x8>;
+               #reset-cells = <1>;
+       };