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dt-bindings: sc16is7xx: Add alternative clock-frequency property 

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@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2019-03-18 12:29:14 +02:00 committed by Greg Kroah-Hartman
parent f4487db58e
commit 8650e026c8
1 changed files with 2 additions and 0 deletions
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Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
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@ -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 (when there is no clock provider visible to the platform)
- clock-frequency: The source clock frequency for the IC.
Optional properties:
- gpio-controller: Marks the device node as a GPIO controller.