From: Thierry Reding <treding@xxxxxxxxxx>
On Tegra the UART is described using additional properties, such as
clock-names, reset-names, dmas and dma-names. Document them in the
bindings so that Tegra device trees are properly validated.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
.../devicetree/bindings/serial/8250.yaml | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index c1d4c196f005..9c8fad27c3f3 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -28,6 +28,32 @@ allOf:
const: 2
required:
- reg-shift
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra20-uart
+ then:
+ properties:
+ clock-names:
+ $ref: "/schemas/types.yaml#/definitions/string-array"
+ items:
+ - const: serial
+
+ dmas:
+ $ref: "/schemas/types.yaml#/definitions/phandle-array"
+
+ dma-names:
+ $ref: "/schemas/types.yaml#/definitions/string-array"
+ items:
+ - const: rx
+ - const: tx
+
+ reset-names:
+ $ref: "/schemas/types.yaml#/definitions/string-array"
+ items:
+ - const: serial
- if:
not:
properties:
--
2.24.1
