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authorHyunki Koo <hyunki00.koo@samsung.com>2020-05-06 17:02:39 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-06 14:37:33 +0200
commit7ad3bee4b3e39aad761461f64cf18247f7bdf59c (patch)
treed3c2e3f76f741c7cae3d2c150a770326237a0250 /Documentation/devicetree/bindings/serial/samsung_uart.yaml
parent8fba6c0c4c4a5291a62dd231e996eff09725489f (diff)
serial: samsung: dt-bindings: Add reg-io-width compatible
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> Link: https://lore.kernel.org/r/20200506080242.18623-2-hyunki00.koo@samsung.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial/samsung_uart.yaml')
-rw-r--r--Documentation/devicetree/bindings/serial/samsung_uart.yaml8
1 files changed, 8 insertions, 0 deletions
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