dt-bindings: arm: Document the btt3 i.MX28 based board

The imx287 based btt3 board is very similar to xea in terms of used SOM
module.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 0db2cbd7891ffb361e0ac60fe6be66e381b2a8f4..db781d31569811ca241b5bd9a32a0896f7d9c3b9 100644 (file)
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -97,6 +97,7 @@ properties:
               - i2se,duckbill
               - i2se,duckbill-2
               - karo,tx28                 # Ka-Ro electronics TX28 module
+              - lwn,imx28-btt3
               - lwn,imx28-xea
               - msr,m28cu3                # M28 SoM with custom base board
               - schulercontrol,imx28-sps1