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authorKumar Gala <galak@codeaurora.org>2013-08-28 14:08:23 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-28 16:02:48 -0700
commit6b9c1fa25a5c2a2a2d8fa1e2f8c2cc5d6d0c4a45 (patch)
tree64cb86b49c30d4290b155a0bb3002d15116a5a8e /Documentation/devicetree/bindings/tty/serial/of-serial.txt
parentserial: fsl-imx-uart: Cleanup duplicate device tree binding (diff)
downloadlinux-dev-6b9c1fa25a5c2a2a2d8fa1e2f8c2cc5d6d0c4a45.tar.xz
linux-dev-6b9c1fa25a5c2a2a2d8fa1e2f8c2cc5d6d0c4a45.zip
serial: unify serial bindings into a single dir
Move all bindings in bindings/tty/serial into bindings/serial so we only have one place dir with serial/uart related bindings in it. Signed-off-by: Kumar Gala <galak@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt
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-* UART (Universal Asynchronous Receiver/Transmitter)
-
-Required properties:
-- compatible : one of:
- - "ns8250"
- - "ns16450"
- - "ns16550a"
- - "ns16550"
- - "ns16750"
- - "ns16850"
- - "nvidia,tegra20-uart"
- - "nxp,lpc3220-uart"
- - "ibm,qpace-nwp-serial"
- - "altr,16550-FIFO32"
- - "altr,16550-FIFO64"
- - "altr,16550-FIFO128"
- - "serial" if the port type is unknown.
-- reg : offset and length of the register set for the device.
-- interrupts : should contain uart interrupt.
-- clock-frequency : the input clock frequency for the UART
- or
- clocks phandle to refer to the clk used as per Documentation/devicetree
- /bindings/clock/clock-bindings.txt
-
-Optional properties:
-- current-speed : the current active speed of the UART.
-- reg-offset : offset to apply to the mapbase from the start of the registers.
-- reg-shift : quantity to shift the register offsets by.
-- reg-io-width : the size (in bytes) of the IO accesses that should be
- performed on the device. There are some systems that require 32-bit
- accesses to the UART (e.g. TI davinci).
-- used-by-rtas : set to indicate that the port is in use by the OpenFirmware
- RTAS and should not be registered.
-- no-loopback-test: set to indicate that the port does not implements loopback
- test mode
-- fifo-size: the fifo size of the UART.
-- auto-flow-control: one way to enable automatic flow control support. The
- driver is allowed to detect support for the capability even without this
- property.
-
-Example:
-
- uart@80230000 {
- compatible = "ns8250";
- reg = <0x80230000 0x100>;
- clock-frequency = <3686400>;
- interrupts = <10>;
- reg-shift = <2>;
- };