From: Hyunki Koo <hyunki00.koo@samsung.com>
Date: Wed, 6 May 2020 08:02:39 +0000 (+0900)
Subject: serial: samsung: dt-bindings: Add reg-io-width compatible
X-Git-Tag: v5.8-rc1~107^2~49
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7ad3bee4b3e39aad761461f64cf18247f7bdf59c;p=thirdparty%2Flinux.git

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>
---

diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 9d2ce347875b4..a57b1233c691c 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