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DTS: serial: Add bindings documention for the Mediatek UARTs 

This patch adds the devicetree documentation for the Mediatek UART.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Matthias Brugger 2014-09-09 17:31:43 +02:00 committed by Greg Kroah-Hartman
parent b4756f4f0d
commit 76ce677063
1 changed files with 22 additions and 0 deletions
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Documentation/devicetree/bindings/serial/mtk-uart.txt 100644
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* Mediatek Universal Asynchronous Receiver/Transmitter (UART)
Required properties:
- compatible should contain:
* "mediatek,mt6589-uart" for MT6589 compatible UARTS
* "mediatek,mt6582-uart" for MT6582 compatible UARTS
* "mediatek,mt6577-uart" for all compatible UARTS (MT6589, MT6582, MT6577)
- reg: The base address of the UART register bank.
- interrupts: A single interrupt specifier.
- clocks: Clock driving the hardware.
Example:
uart0: serial@11006000 {
compatible = "mediatek,mt6589-uart", "mediatek,mt6577-uart";
reg = <0x11006000 0x400>;
interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>;
clocks = <&uart_clk>;
};