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Subject[PATCH v10 2/3] dt-bindings: serial: Add reg-io-width compatible
Date
Add a description for reg-io-width options for the samsung serial
UART peripheral.

Signed-off-by: Hyunki Koo <hyunki00.koo@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/serial/samsung_uart.yaml | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 9d2ce347875b..a57b1233c691 100644
--- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
@@ -29,6 +29,14 @@ properties:
reg:
maxItems: 1

+ reg-io-width:
+ description: |
+ The size (in bytes) of the IO accesses that should be performed
+ on the device.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum: [ 1, 4 ]
+
clocks:
minItems: 2
maxItems: 5
--
2.15.0.rc1
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