Message ID | 1425654972-8044-1-git-send-email-mporter@konsulko.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
* Matt Porter <mporter@konsulko.com> [150306 07:16]: > The omap_serial.txt binding documentation lacks a number of properties > that are used in DTS files for platforms incorporating this peripheral. > Fix this by documenting the missing required and optional fields and > add an example. > > Signed-off-by: Matt Porter <mporter@konsulko.com> Applying the original version as they seem to be the same. Regards, Tony > --- > .../devicetree/bindings/serial/omap_serial.txt | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt > index 342eedd..54c2a15 100644 > --- a/Documentation/devicetree/bindings/serial/omap_serial.txt > +++ b/Documentation/devicetree/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>; > + }; > -- > 1.8.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt index 342eedd..54c2a15 100644 --- a/Documentation/devicetree/bindings/serial/omap_serial.txt +++ b/Documentation/devicetree/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>; + };
The omap_serial.txt binding documentation lacks a number of properties that are used in DTS files for platforms incorporating this peripheral. Fix this by documenting the missing required and optional fields and add an example. Signed-off-by: Matt Porter <mporter@konsulko.com> --- .../devicetree/bindings/serial/omap_serial.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)