[PATCH v2 2/3] dt-bindings: input: Add DT bindings documentation for Allwinner A83T R_LRADC

[Ziping Chen <techping.chan@gmail.com>]

From: Ziping Chen <techping.chan@gmail.com>

Allwinner A83T SoC has a low res adc like the one
in Allwinner A10 SoC.

Add binding for it.

Signed-off-by: Ziping Chen <techping.chan@gmail.com>
---
 Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
index 4357e498ef04..525d85e3043f 100644
--- a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
+++ b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
@@ -2,12 +2,14 @@ Allwinner sun4i low res adc attached tablet keys
 ------------------------------------------------
 
 Required properties:
- - compatible: "allwinner,sun4i-a10-lradc-keys"
+ - compatible: should be one of the following string:
+		"allwinner,sun4i-a10-lradc-keys"
+		"allwinner,sun8i-a83t-r-lradc-keys"
  - reg: mmio address range of the chip
  - interrupts: interrupt to which the chip is connected
  - vref-supply: powersupply for the lradc reference voltage
 
-Each key is represented as a sub-node of "allwinner,sun4i-a10-lradc-keys":
+Each key is represented as a sub-node of the compatible mentioned above:
 
 Required subnode-properties:
 	- label: Descriptive name of the key.
-- 
2.11.0