[media] rc: sunxi-cir: Add support for an optional reset controller

On sun6i the cir block is attached to the reset controller, add support
for de-asserting the reset if a reset controller is specified in dt.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/media/sunxi-ir.txt b/Documentation/devicetree/bindings/media/sunxi-ir.txt
index 23dd5ad07b7c..6b70b9b47b7d 100644
--- a/Documentation/devicetree/bindings/media/sunxi-ir.txt
+++ b/Documentation/devicetree/bindings/media/sunxi-ir.txt
@@ -10,6 +10,7 @@ Required properties:
 
 Optional properties:
 - linux,rc-map-name : Remote control map name.
+- resets : phandle + reset specifier pair
 
 Example:
 
@@ -17,6 +18,7 @@ ir0: ir@01c21800 {
         compatible = "allwinner,sun4i-a10-ir";
         clocks = <&apb0_gates 6>, <&ir0_clk>;
         clock-names = "apb", "ir";
+        resets = <&apb0_rst 1>;
         interrupts = <0 5 1>;
         reg = <0x01C21800 0x40>;
         linux,rc-map-name = "rc-rc6-mce";