diff options
Diffstat (limited to 'dts/Bindings/serial')
-rw-r--r-- | dts/Bindings/serial/atmel-usart.txt | 3 | ||||
-rw-r--r-- | dts/Bindings/serial/brcm,bcm6345-uart.txt (renamed from dts/Bindings/serial/bcm63xx-uart.txt) | 0 | ||||
-rw-r--r-- | dts/Bindings/serial/omap_serial.txt | 20 |
3 files changed, 22 insertions, 1 deletions
diff --git a/dts/Bindings/serial/atmel-usart.txt b/dts/Bindings/serial/atmel-usart.txt index a6391e70a8..90787aa2e6 100644 --- a/dts/Bindings/serial/atmel-usart.txt +++ b/dts/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. diff --git a/dts/Bindings/serial/bcm63xx-uart.txt b/dts/Bindings/serial/brcm,bcm6345-uart.txt index 5c52e5eef1..5c52e5eef1 100644 --- a/dts/Bindings/serial/bcm63xx-uart.txt +++ b/dts/Bindings/serial/brcm,bcm6345-uart.txt diff --git a/dts/Bindings/serial/omap_serial.txt b/dts/Bindings/serial/omap_serial.txt index 342eedd100..54c2a155c7 100644 --- a/dts/Bindings/serial/omap_serial.txt +++ b/dts/Bindings/serial/omap_serial.txt @@ -4,7 +4,27 @@ Required properties: - compatible : should be "ti,omap2-uart" for OMAP2 controllers - compatible : should be "ti,omap3-uart" for OMAP3 controllers - compatible : should be "ti,omap4-uart" for OMAP4 controllers +- reg : address and length of the register space +- interrupts or interrupts-extended : Should contain the uart interrupt + specifier or both the interrupt + controller phandle and interrupt + specifier. - ti,hwmods : Must be "uart<n>", n being the instance number (1-based) Optional properties: - clock-frequency : frequency of the clock input to the UART +- dmas : DMA specifier, consisting of a phandle to the DMA controller + node and a DMA channel number. +- dma-names : "rx" for receive channel, "tx" for transmit channel. + +Example: + + uart4: serial@49042000 { + compatible = "ti,omap3-uart"; + reg = <0x49042000 0x400>; + interrupts = <80>; + dmas = <&sdma 81 &sdma 82>; + dma-names = "tx", "rx"; + ti,hwmods = "uart4"; + clock-frequency = <48000000>; + }; |