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-rw-r--r--Documentation/devicetree/bindings/spi/spi-controller.yaml27
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index 524f6fe8c2..093150c0cb 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -69,6 +69,21 @@ properties:
Should be generally avoided and be replaced by
spi-cs-high + ACTIVE_HIGH.
+ fifo-depth:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Size of the RX and TX data FIFOs in bytes.
+
+ rx-fifo-depth:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Size of the RX data FIFO in bytes.
+
+ tx-fifo-depth:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Size of the TX data FIFO in bytes.
+
num-cs:
$ref: /schemas/types.yaml#/definitions/uint32
description:
@@ -116,6 +131,10 @@ patternProperties:
- compatible
- reg
+dependencies:
+ rx-fifo-depth: [ tx-fifo-depth ]
+ tx-fifo-depth: [ rx-fifo-depth ]
+
allOf:
- if:
not:
@@ -129,6 +148,14 @@ allOf:
properties:
"#address-cells":
const: 0
+ - not:
+ required:
+ - fifo-depth
+ - rx-fifo-depth
+ - not:
+ required:
+ - fifo-depth
+ - tx-fifo-depth
additionalProperties: true