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author | Baruch Siach <baruch@tkos.co.il> | 2014-12-18 21:45:25 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-09 14:30:16 -0800 |
commit | 5fafc8947d0b90473e9c2710088e8762802bcc56 (patch) | |
tree | ea439a9167068bd7fcf1ed91f2ee8749c37dd7f3 /Documentation | |
parent | 5930cb3511dfb4392de1180c892b353316ef29ec (diff) | |
download | linux-5fafc8947d0b90473e9c2710088e8762802bcc56.tar.bz2 |
serial: add device tree binding documentation for Conexant USART
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/serial/digicolor-usart.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/digicolor-usart.txt b/Documentation/devicetree/bindings/serial/digicolor-usart.txt new file mode 100644 index 000000000000..2d3ede66889d --- /dev/null +++ b/Documentation/devicetree/bindings/serial/digicolor-usart.txt @@ -0,0 +1,27 @@ +Binding for Conexant Digicolor USART + +Note: this binding is only applicable for using the USART peripheral as +UART. USART also support synchronous serial protocols like SPI and I2S. Use +the binding that matches the wiring of your system. + +Required properties: +- compatible : should be "cnxt,cx92755-usart". +- reg: Should contain USART controller registers location and length. +- interrupts: Should contain a single USART controller interrupt. +- clocks: Must contain phandles to the USART clock + See ../clocks/clock-bindings.txt for details. + +Note: Each UART port should have an alias correctly numbered +in "aliases" node. + +Example: + aliases { + serial0 = &uart0; + }; + + uart0: uart@f0000740 { + compatible = "cnxt,cx92755-usart"; + reg = <0xf0000740 0x20>; + clocks = <&main_clk>; + interrupts = <44>; + }; |