linux-kernel - Re: [PATCH v5 2/5] Documentation: DT: Add bindings for Spreadtrum SoC Platform

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Date:	Fri, 16 Jan 2015 10:21:35 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Chunyan Zhang <chunyan.zhang@...eadtrum.com>
Cc:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
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Subject: Re: [PATCH v5 2/5] Documentation: DT: Add bindings for Spreadtrum
 SoC Platform

On Fri, Jan 16, 2015 at 10:00:08AM +0000, Chunyan Zhang wrote:
> Adds Spreadtrum's prefix "sprd" to vendor-prefixes file.
> Adds the devicetree binding documentations for Spreadtrum's sc9836-uart
> and SC9836 SoC based on the Sharkl64 Platform which is a 64-bit SoC
> Platform of Spreadtrum.
> 
> Signed-off-by: Chunyan Zhang <chunyan.zhang@...eadtrum.com>
> Signed-off-by: Orson Zhai <orson.zhai@...eadtrum.com>
> ---
>  Documentation/devicetree/bindings/arm/sprd.txt     |   11 +++++++++++
>  .../devicetree/bindings/serial/sprd-uart.txt       |    7 +++++++
>  .../devicetree/bindings/vendor-prefixes.txt        |    1 +
>  3 files changed, 19 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/sprd.txt
>  create mode 100644 Documentation/devicetree/bindings/serial/sprd-uart.txt
> 
> diff --git a/Documentation/devicetree/bindings/arm/sprd.txt b/Documentation/devicetree/bindings/arm/sprd.txt
> new file mode 100644
> index 0000000..31a629d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/sprd.txt
> @@ -0,0 +1,11 @@
> +Spreadtrum SoC Platforms Device Tree Bindings
> +----------------------------------------------------
> +
> +Sharkl64 is a Spreadtrum's SoC Platform which is based
> +on ARM 64-bit processor.
> +
> +SC9836 openphone board with SC9836 SoC based on the
> +Sharkl64 Platform shall have the following properties.
> +
> +Required root node properties:
> +        - compatible = "sprd,sc9836-openphone", "sprd,sc9836";
> diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt
> new file mode 100644
> index 0000000..2aff0f2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt
> @@ -0,0 +1,7 @@
> +* 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
> +- clocks: phandles to input clocks.

The order and relevance of each should be specified. If you have
multiple clocks I would strongly recommend you use clock-names to
distinguish them.

Otherwise this looks fine.

Mark.

> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index b1df0ad..0a8384f 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -153,6 +153,7 @@ snps	Synopsys, Inc.
>  solidrun	SolidRun
>  sony	Sony Corporation
>  spansion	Spansion Inc.
> +sprd	Spreadtrum Communications Inc.
>  st	STMicroelectronics
>  ste	ST-Ericsson
>  stericsson	ST-Ericsson
> -- 
> 1.7.9.5
> 
> 
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