Add "nvidia,wait-polling" flag to enable TCG TIS hardware flow control.
Signed-off-by: Krishna Yarlagadda <kyarlagadda@xxxxxxxxxx>
---
.../bindings/spi/nvidia,tegra210-quad-peripheral-props.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad-peripheral-props.yaml
index 2c3cada75339..25150d55603e 100644
--- a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad-peripheral-props.yaml
@@ -28,5 +28,11 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 255
+properties:
+ nvidia,wait-polling:
+ description:
+ Enable TPM wait polling feature for QSPI as specified in TCG PC Client
+ Specific TPM Interface Specification (TIS).
+ $ref: /schemas/types.yaml#/definitions/flag
additionalProperties: true
--
2.17.1
