dt-bindings: iio: adc: rockchip-saradc: add description for rk3568

Add description for rk3568 saradc.

Signed-off-by: Simon Xue <xxm@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210712014437.97427-1-xxm@rock-chips.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml
index 1bb7619..e512a14 100644 (file)
--- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.yaml
@@ -20,6 +20,7 @@ properties:
               - rockchip,px30-saradc
               - rockchip,rk3308-saradc
               - rockchip,rk3328-saradc
+              - rockchip,rk3568-saradc
               - rockchip,rv1108-saradc
           - const: rockchip,rk3399-saradc