[PATCH v3 02/14] dt-bindings: fsi: fsi2spi: Document SPI controller child nodes

[Eddie James <eajames@linux.ibm.com>]

The FSI2SPI bridge has several SPI controllers behind it, which
should be documented. Also, therefore the node needs to specify
address and size cells.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
 .../devicetree/bindings/fsi/ibm,fsi2spi.yaml          | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
index e2ca0b000471..512d6d4dff3c 100644
--- a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
+++ b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
@@ -24,6 +24,17 @@ properties:
     items:
       - description: FSI slave address
 
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "^spi@[0-9a-f]+$":
+    $ref: /schemas/spi/ibm,p10-spi.yaml
+    description: Child node describing underlying SPI controller
+
 required:
   - compatible
   - reg
-- 
2.39.3