From 6cf600aba1b7fcb6ec67a1dcea3a3c2391eeb331 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 12 Jun 2015 18:04:17 +0900 Subject: [PATCH] serial: 8250_uniphier: add bindings document for UniPhier UART This is binding information for the UniPhier on-chip UART driver (drivers/tty/serial/8250/8250_uniphier.c). Signed-off-by: Masahiro Yamada Signed-off-by: Greg Kroah-Hartman --- .../bindings/serial/uniphier-uart.txt | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/uniphier-uart.txt diff --git a/Documentation/devicetree/bindings/serial/uniphier-uart.txt b/Documentation/devicetree/bindings/serial/uniphier-uart.txt new file mode 100644 index 000000000000..0b3892a7a528 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/uniphier-uart.txt @@ -0,0 +1,23 @@ +UniPhier UART controller + +Required properties: +- compatible: should be "socionext,uniphier-uart". +- reg: offset and length of the register set for the device. +- interrupts: a single interrupt specifier. +- clocks: phandle to the input clock. + +Optional properties: +- fifo-size: the RX/TX FIFO size. Defaults to 64 if not specified. + +Example: + aliases { + serial0 = &serial0; + }; + + serial0: serial@54006800 { + compatible = "socionext,uniphier-uart"; + reg = <0x54006800 0x40>; + interrupts = <0 33 4>; + clocks = <&uart_clk>; + fifo-size = <64>; + };