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| author |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-03-12 15:54:26 +0100 |
|---|---|---|
| committer |   Nicolas Ferre <nicolas.ferre@atmel.com> | 2015-03-13 15:11:04 +0100 |
| commit | 8c07f664a6c48bfc44ce9352c8c2fba55f1d108b (patch) | |
| tree | 2b484be3b28bc8af0f1ea4086e5a815713102164 /Documentation/devicetree/bindings/serial | |
| parent | ARM: at91: remove unused _matrix.h headers (diff) | |
| download | linux-dev-8c07f664a6c48bfc44ce9352c8c2fba55f1d108b.tar.xz linux-dev-8c07f664a6c48bfc44ce9352c8c2fba55f1d108b.zip | |
ARM: at91/dt: introduce atmel,<chip>-dbgu
The DBGU is not a simple UART and we need to be able to distinguish it from the
other UARTs, in particular to get its address and check the chip id.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/atmel-usart.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt index a6391e70a8fd..90787aa2e648 100644 --- a/Documentation/devicetree/bindings/serial/atmel-usart.txt +++ b/Documentation/devicetree/bindings/serial/atmel-usart.txt @@ -1,9 +1,10 @@ * Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART) Required properties: -- compatible: Should be "atmel,<chip>-usart" +- compatible: Should be "atmel,<chip>-usart" or "atmel,<chip>-dbgu" The compatible <chip> indicated will be the first SoC to support an 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 - interrupts: Should contain interrupt - clock-names: tuple listing input clock names. |