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[v2,3/3] dt-bindings: spi: sunxi: Document new compatible strings

Message ID 20200116005654.27672-4-andre.przywara@arm.com
State New
Headers show
Series [v2,1/3] arm64: dts: sun50i: H6: Add SPI controllers nodes and pinmuxes | expand

Commit Message

Andre Przywara Jan. 16, 2020, 12:56 a.m. UTC
The Allwinner H6 SPI controller has advanced features over the H3
version, but remains compatible with it.
Document the usual "specific", "fallback" compatible string pair.
Also add the R40 version while at it.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml     | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
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Patch

diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
index f36c46d236d7..c19dfbe42d90 100644
--- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
@@ -18,9 +18,15 @@  properties:
   "#size-cells": true
 
   compatible:
-    enum:
-      - allwinner,sun6i-a31-spi
-      - allwinner,sun8i-h3-spi
+    oneOf:
+      - const: allwinner,sun6i-a31-spi
+      - const: allwinner,sun8i-h3-spi
+      - items:
+          - const: allwinner,sun8i-r40-spi
+          - const: allwinner,sun8i-h3-spi
+      - items:
+          - const: allwinner,sun50i-h6-spi
+          - const: allwinner,sun8i-h3-spi
 
   reg:
     maxItems: 1