[PATCH v2 01/11] dt-bindings: spi: allow expressing DTR capability

[Pratyush Yadav <p.yadav@xxxxxx>]

Allow spi devices to express DTR receive and transmit capabilities via
the properties "spi-rx-dtr" and "spi-tx-dtr".

Signed-off-by: Pratyush Yadav <p.yadav@xxxxxx>
---
 .../devicetree/bindings/spi/spi-controller.yaml        | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index 1e0ca6ccf64b..7a84debed213 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -120,6 +120,11 @@ patternProperties:
         description:
           Delay, in microseconds, after a read transfer.
 
+      spi-rx-dtr:
+        $ref: /schemas/types.yaml#/definitions/flag
+        description:
+          Device supports receiving in DTR mode.
+
       spi-tx-bus-width:
         allOf:
           - $ref: /schemas/types.yaml#/definitions/uint32
@@ -132,6 +137,11 @@ patternProperties:
         description:
           Delay, in microseconds, after a write transfer.
 
+      spi-tx-dtr:
+        $ref: /schemas/types.yaml#/definitions/flag
+        description:
+          Device supports transmitting in DTR mode.
+
     required:
       - compatible
       - reg
-- 
2.25.0