linux-kernel - [PATCH v6 1/2] dt-bindings: serial: Add reg-io-width compatible

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Message-Id: <20200406230855.13772-2-hyunki00.koo@samsung.com>
Date:   Tue,  7 Apr 2020 08:08:50 +0900
From:   Hyunki Koo <hyunki00.koo@...sung.com>
To:     gregkh@...uxfoundation.org, krzk@...nel.org
Cc:     Hyunki Koo <hyunki00.koo@...sung.com>,
        Rob Herring <robh+dt@...nel.org>, linux-serial@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 1/2] dt-bindings: serial: 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@...sung.com>
---
v5: first added in this series
v6: clean description of reg-io-width
---
 Documentation/devicetree/bindings/serial/samsung_uart.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
index 9d2ce347875b..1a0bb7619e2e 100644
--- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
+++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
@@ -29,6 +29,12 @@ properties:
   reg:
     maxItems: 1
 
+  reg-io-width:
+    description:
+      The size (in bytes) of the IO accesses that should be performed
+      on the device. If omitted, default of 1 is used.
+      - enum: [ 1, 4 ]
+
   clocks:
     minItems: 2
     maxItems: 5
-- 
2.15.0.rc1