[PATCH 4/7] spi: cadence: Change dt-bindings documentation for Cadence XSPI controller

Witold Sadowski
2022-12-19T14:43:57Z

Add parameter cdns,read-size.
Parameter is controlling SDMA read size length.

Signed-off-by: Witold Sadowski <wsadowski@marvell.com>
---
Documentation/devicetree/bindings/spi/cdns,xspi.yaml | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
index f71a9c74e2ca..1274e3bf68e6 100644
--- a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
+++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
@@ -37,6 +37,10 @@ properties:
interrupts:
maxItems: 1

+ cdns,read-size:
+ items:
+ - description: size of single SDMA read operation
+
required:
- compatible
- reg
@@ -60,6 +64,7 @@ examples:
reg-names = "io", "sdma", "aux";
interrupts = <0 90 IRQ_TYPE_LEVEL_HIGH>;
interrupt-parent = <&gic>;
+ cdns,read-size=<0>;

flash@0 {
compatible = "jedec,spi-nor";
--
2.17.1