diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt index 7c408c87e613..5c96d41899f1 100644 --- a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt @@ -1,8 +1,10 @@ * Freescale MXS Application UART (AUART) -Required properties: -- compatible : Should be "fsl,<soc>-auart". The supported SoCs include - imx23 and imx28. +Required properties for all SoCs: +- compatible : Should be one of fallowing variants: + "fsl,imx23-auart" - Freescale i.MX23 + "fsl,imx28-auart" - Freescale i.MX28 + "alphascale,asm9260-auart" - Alphascale ASM9260 - reg : Address and length of the register set for the device - interrupts : Should contain the auart interrupt numbers - dmas: DMA specifier, consisting of a phandle to DMA controller node @@ -10,8 +12,14 @@ Required properties: Refer to dma.txt and fsl-mxs-dma.txt for details. - dma-names: "rx" for RX channel, "tx" for TX channel. +Required properties for "alphascale,asm9260-auart": +- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt +- clock-names : should be set to + "mod" - source for tick counter. + "ahb" - ahb gate. + Optional properties: -- fsl,uart-has-rtscts : Indicate the UART has RTS and CTS lines +- uart-has-rtscts : Indicate the UART has RTS and CTS lines for hardware flow control, it also means you enable the DMA support for this UART. - {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD |