[PATCH v1 1/2] dt: atmel-usart: document new I/O data register width property
DORMANTno replies
From: Andy Shevchenko <hidden>
Date: 2015-07-30 13:06:30
Also in:
linux-serial
Subsystem:
open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
This change documents a new property for the Atmel serial device, allowing an implementer to specify either four bytes or one byte access to the controller data register. This supports a change that unbreaks this driver on ATNGW100 board. Signed-off-by: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> --- Documentation/devicetree/bindings/serial/atmel-usart.txt | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt
index e6e6142..a8c290a7 100644
--- a/Documentation/devicetree/bindings/serial/atmel-usart.txt
+++ b/Documentation/devicetree/bindings/serial/atmel-usart.txt@@ -6,6 +6,8 @@ Required properties: additional mode or an USART new feature. For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart" - reg: Should contain registers location and length +- reg-io-width: The I/O register width (in bytes) implemented by + this device. Supported values are 1 or 4 (the default). - interrupts: Should contain interrupt - clock-names: tuple listing input clock names. Required elements: "usart"
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2.5.0
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