Add "nvidia,wait-polling" flag to enable TCG TIS hardware flow control.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
---
 .../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

On 02/02/2023 17:17, Krishna Yarlagadda wrote:
> Add "nvidia,wait-polling" flag to enable TCG TIS hardware flow control.
> 
> Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
> ---
>  .../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

Does not look like you tested the bindings. Please run `make
dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

Best regards,
Krzysztof