[PATCH 3/3] spi: dt-bindings: Add wait state polling flag

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Add flag to enable tpm wait state polling and Tegra Grace binding.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@xxxxxxxxxx>
---
 .../devicetree/bindings/spi/nvidia,tegra210-quad.yaml       | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
index 0296edd1de22..88b00fcad210 100644
--- a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
+++ b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
@@ -20,6 +20,7 @@ properties:
       - nvidia,tegra186-qspi
       - nvidia,tegra194-qspi
       - nvidia,tegra234-qspi
+      - nvidia,tegra-grace-qspi
 
   reg:
     maxItems: 1
@@ -57,6 +58,11 @@ patternProperties:
       spi-tx-bus-width:
         enum: [1, 2, 4]
 
+      nvidia,wait-polling:
+        description:
+          Enable TPM wait state polling on supported chips.
+	type: boolean
+
       nvidia,tx-clk-tap-delay:
         description:
           Delays the clock going out to device with this tap value.
-- 
2.17.1




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