From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Subject: [PATCH v1 1/2] dt: atmel-usart: document new I/O data register width property Date: Thu, 30 Jul 2015 16:06:30 +0300 Message-ID: <1438261591-13130-1-git-send-email-andriy.shevchenko@linux.intel.com> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rob Herring , Nicolas Ferre , Greg Kroah-Hartman , linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Cyrille Pitchen , Hans-Christian Egtvedt , alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Cc: Andy Shevchenko List-Id: devicetree@vger.kernel.org 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 --- 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,-dbgu", "atmel,-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" -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html