GS101 only allows 32-bit register accesses. When using 8-bit reg
accesses on gs101, a SError Interrupt is raised causing the system
unusable.
Make reg-io-width a required property and expect for it a value of 4.
Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
---
Documentation/devicetree/bindings/serial/samsung_uart.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 133259ed3a34..cc896d7e2a3d 100644
--- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
@@ -143,6 +143,10 @@ allOf:
then:
required:
- samsung,uart-fifosize
+ - reg-io-width
+ properties:
+ reg-io-width:
+ const: 4
unevaluatedProperties: false
--
2.43.0.472.g3155946c3a-goog
