[PATCH v1 1/4] dt-bindings: sc16is7xx: Add alternative clock-frequence property

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For the platforms which have no clock provider for the sc16is7xx type of UART,
introduce an alternative clock-frequency property which would be used instead.

Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
index e7921a8e276b..b8cf38a1e43c 100644
--- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
+++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
@@ -12,6 +12,8 @@ Required properties:
 - reg: I2C address of the SC16IS7xx device.
 - interrupts: Should contain the UART interrupt
 - clocks: Reference to the IC source clock.
+	OR
+- clock-frequency: The source clock frequency for the IC.
 
 Optional properties:
 - gpio-controller: Marks the device node as a GPIO controller.
-- 
2.19.2




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