[PATCH 7/7] spi: realtek-rtl: update devicetree documentation

[Birger Koblitz <mail@xxxxxxxxxxxxxxxxx>]

Update documentation to include the optional clocks and
spi-max-frequency properties in the devicetree node.

Signed-off-by: Birger Koblitz <mail@xxxxxxxxxxxxxxxxx>
---
 .../devicetree/bindings/spi/realtek,rtl-spi.yaml       | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml b/Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml
index 2f938c293f70..e790a85067d3 100644
--- a/Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/realtek,rtl-spi.yaml
@@ -21,9 +21,17 @@ properties:
       - realtek,rtl8391-spi
       - realtek,rtl8392-spi
       - realtek,rtl8393-spi
+      - realtek,rtl9300-spi
+      - realtek,rtl9310-spi

   reg:
     maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  spi-max-frequency: 1
+    maxItems: 1

 required:
   - compatible
@@ -36,6 +44,8 @@ examples:
     spi: spi@1200 {
         compatible = "realtek,rtl8382-spi";
         reg = <0x1200 0x100>;
+        clocks = <&lx_clk>
+        spi-max-requency = <25000000>;
         #address-cells = <1>;
         #size-cells = <0>;
     };
--
2.25.1