[PATCH v4 2/4] dt-bindings: input: Add R_LRADC support for A83T

From: megous
Date: Tue Mar 26 2019 - 20:25:19 EST

From: Ziping Chen <techping.chan@xxxxxxxxx>

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@xxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
.../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 1458c3179a63..496125c6bfb7 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"
- 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.