From 05202872ca98f8ea61943a9b530417c5503b816f Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Mon, 10 Feb 2014 22:17:47 +0400 Subject: [PATCH] serial: max310x: Add bindings documentation for the MAX310X UARTs This patch adds the devicetree documentation for the Maxim MAX310X UARTs. Signed-off-by: Alexander Shiyan Signed-off-by: Greg Kroah-Hartman --- .../bindings/serial/maxim,max310x.txt | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/maxim,max310x.txt diff --git a/Documentation/devicetree/bindings/serial/maxim,max310x.txt b/Documentation/devicetree/bindings/serial/maxim,max310x.txt new file mode 100644 index 000000000000..0daf780882f6 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/maxim,max310x.txt @@ -0,0 +1,36 @@ +* Maxim MAX310X advanced Universal Asynchronous Receiver-Transmitter (UART) + +Required properties: +- compatible: Should be one of the following: + - "maxim,max3107" for Maxim MAX3107, + - "maxim,max3108" for Maxim MAX3108, + - "maxim,max3109" for Maxim MAX3109, + - "maxim,max14830" for Maxim MAX14830. +- reg: SPI chip select number. +- interrupt-parent: The phandle for the interrupt controller that + services interrupts for this IC. +- interrupts: Specifies the interrupt source of the parent interrupt + controller. The format of the interrupt specifier depends on the + parent interrupt controller. +- clocks: phandle to the IC source clock. +- clock-names: Should be "osc" if clock is an external crystal or + "xtal" if an external clock source is used. + +Optional properties: +- gpio-controller: Marks the device node as a GPIO controller. +- #gpio-cells: Should be two. The first cell is the GPIO number and + the second cell is used to specify the GPIO polarity: + 0 = active high, + 1 = active low. + +Example: + max14830: max14830@0 { + compatible = "maxim,max14830"; + reg = <0>; + clocks = <&clk20m>; + clock-names = "osc"; + interrupt-parent = <&gpio3>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + gpio-controller; + #gpio-cells = <2>; + }; -- 2.39.2