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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-03-18 13:29:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-27 18:30:50 +0300
commit8650e026c819f4b6dfc1bee078498a92a0f5a223 (patch)
treea4d6417c3ece1ef222f68be12a83b0256d8c8880 /Documentation
parentf4487db58eb780a52d768f3b36aaaa8fd5839215 (diff)
downloadlinux-8650e026c819f4b6dfc1bee078498a92a0f5a223.tar.xz
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
index e7921a8e276b..c1091a923a89 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 (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.