linux-kernel - Re: [PATCH v3 2/5] Documentation: DT: Add bindings for Spreadtrum SoC Platform

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Date:	Tue, 25 Nov 2014 13:52:42 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Chunyan Zhang <chunyan.zhang@...eadtrum.com>
Cc:	grant.likely@...aro.org, robh+dt@...nel.org,
	catalin.marinas@....com, gregkh@...uxfoundation.org,
	ijc+devicetree@...lion.org.uk, jslaby@...e.cz,
	galak@...eaurora.org, broonie@...aro.org, mark.rutland@....com,
	m-karicheri2@...com, pawel.moll@....com, artagnon@...il.com,
	rrichter@...ium.com, will.deacon@....com,
	gnomes@...rguk.ukuu.org.uk, corbet@....net, jason@...edaemon.net,
	broonie@...nel.org, heiko@...ech.de, shawn.guo@...escale.com,
	florian.vaussard@...l.ch, andrew@...n.ch, hytszk@...il.com,
	orsonzhai@...il.com, geng.ren@...eadtrum.com,
	zhizhou.zhang@...eadtrum.com, lanqing.liu@...eadtrum.com,
	zhang.lyra@...il.com, wei.qiao@...eadtrum.com,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, sprdlinux@...elists.org,
	linux-doc@...r.kernel.org, linux-serial@...r.kernel.org,
	linux-api@...r.kernel.org
Subject: Re: [PATCH v3 2/5] Documentation: DT: Add bindings for Spreadtrum SoC Platform

On Tuesday 25 November 2014 20:16:55 Chunyan Zhang wrote:
> diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
> new file mode 100644
> index 0000000..54e532f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt
> @@ -0,0 +1,6 @@
> +* Spreadtrum serial UART
> +
> +Required properties:
> +- compatible: must be "sprd,sc9836-uart"
> +- reg: offset and length of the register set for the device
> +- interrupts: exactly one interrupt specifier
> 

The driver uses a clock, and the dts file lists a clock
property, so it should be documented here, either as optional
or mandatory, and with a description what this clock refers to.

	Arnd
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