This patch adds "samsung,spi-polling" property.
It is method to check data trans by polling when DMA is not used.
Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/spi/samsung,spi.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
index e0a465d70b0a..b4942fe160f2 100644
--- a/Documentation/devicetree/bindings/spi/samsung,spi.yaml
+++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
@@ -69,6 +69,12 @@ properties:
$ref: /schemas/types.yaml#/definitions/uint32
default: 0
+ samsung,spi-polling:
+ description:
+ Polling SPI data without DMA transfer.
+ type: boolean
+ default: 0
+
reg:
maxItems: 1
--
2.17.1
