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dt/bindings: serial: bcm2835: add binding documentation for bcm2835-aux-uart

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Add binding documentation for the bcm2835-aux-uart driver.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Sperl 2016-01-17 12:15:29 +00:00 committed by Greg Kroah-Hartman
parent 434ba16e86
commit 45d7e9a51c
1 changed files with 18 additions and 0 deletions
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Documentation/devicetree/bindings/serial/brcm,bcm2835-aux-uart.txt Normal file
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* BCM2835 AUXILIAR UART
Required properties:
- compatible: "brcm,bcm2835-aux-uart"
- reg: The base address of the UART register bank.
- interrupts: A single interrupt specifier.
- clocks: Clock driving the hardware; used to figure out the baud rate
divisor.
Example:
uart1: serial@7e215040 {
compatible = "brcm,bcm2835-aux-uart";
reg = <0x7e215040 0x40>;
interrupts = <1 29>;
clocks = <&aux BCM2835_AUX_CLOCK_UART>;
};