From 5fafc8947d0b90473e9c2710088e8762802bcc56 Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Thu, 18 Dec 2014 21:45:25 +0200 Subject: [PATCH] serial: add device tree binding documentation for Conexant USART Signed-off-by: Baruch Siach Signed-off-by: Greg Kroah-Hartman --- .../bindings/serial/digicolor-usart.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/digicolor-usart.txt 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>; + }; -- 2.20.1