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Date: Fri, 17 Oct 2014 14:12:00 +0100
From: Mark Rutland <mark.rutland@....com>
To: Chunyan Zhang <chunyan.zhang@...eadtrum.com>,
Arnd Bergmann <arnd@...db.de>
Cc: Catalin Marinas <Catalin.Marinas@....com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
"jslaby@...e.cz" <jslaby@...e.cz>,
"galak@...eaurora.org" <galak@...eaurora.org>,
"broonie@...aro.org" <broonie@...aro.org>,
"m-karicheri2@...com" <m-karicheri2@...com>,
Pawel Moll <Pawel.Moll@....com>,
"artagnon@...il.com" <artagnon@...il.com>,
"rrichter@...ium.com" <rrichter@...ium.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
Will Deacon <Will.Deacon@....com>,
"orsonzhai@...il.com" <orsonzhai@...il.com>,
"geng.ren@...eadtrum.com" <geng.ren@...eadtrum.com>,
"zhizhou.zhang@...eadtrum.com" <zhizhou.zhang@...eadtrum.com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"sprdlinux@...elists.org" <sprdlinux@...elists.org>
Subject: Re: [PATCH v2 1/5] Documentation: DT: Renamed of-serial.txt to
8250.txt
[adding Arnd to Cc, as this was his suggestion]
On Fri, Oct 17, 2014 at 10:54:21AM +0100, Chunyan Zhang wrote:
> The file of-serial.txt was only for 8250 compatible UART implementations,
> so renamed it to 8250.txt to avoid confusing other persons.
>
> Signed-off-by: Chunyan Zhang <chunyan.zhang@...eadtrum.com>
This makes sense to me, so:
Acked-by: Mark Rutland <mark.rutland@....com>
In future please use git format-patch -C -M when moving things around.
It should detect that this is a rename and generate a trivial diff,
rather than featuring every line of the file twice.
Thanks,
Mark.
> ---
> Documentation/devicetree/bindings/serial/8250.txt | 50 ++++++++++++++++++++
> .../devicetree/bindings/serial/of-serial.txt | 50 --------------------
> 2 files changed, 50 insertions(+), 50 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/serial/8250.txt
> delete mode 100644 Documentation/devicetree/bindings/serial/of-serial.txt
>
> diff --git a/Documentation/devicetree/bindings/serial/8250.txt b/Documentation/devicetree/bindings/serial/8250.txt
> new file mode 100644
> index 0000000..7705477
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/8250.txt
> @@ -0,0 +1,50 @@
> +* 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.
> +- has-hw-flow-control: the hardware has flow control capability.
> +
> +Example:
> +
> + uart@...30000 {
> + compatible = "ns8250";
> + reg = <0x80230000 0x100>;
> + clock-frequency = <3686400>;
> + interrupts = <10>;
> + reg-shift = <2>;
> + };
> diff --git a/Documentation/devicetree/bindings/serial/of-serial.txt b/Documentation/devicetree/bindings/serial/of-serial.txt
> deleted file mode 100644
> index 7705477..0000000
> --- a/Documentation/devicetree/bindings/serial/of-serial.txt
> +++ /dev/null
> @@ -1,50 +0,0 @@
> -* 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.
> -- has-hw-flow-control: the hardware has flow control capability.
> -
> -Example:
> -
> - uart@...30000 {
> - compatible = "ns8250";
> - reg = <0x80230000 0x100>;
> - clock-frequency = <3686400>;
> - interrupts = <10>;
> - reg-shift = <2>;
> - };
> --
> 1.7.9.5
>
>
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