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

From: Mark Rutland
Date: Fri Jan 16 2015 - 05:22:09 EST


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@xxxxxxxxxxxxxx>
> Signed-off-by: Orson Zhai <orson.zhai@xxxxxxxxxxxxxx>
> ---
> 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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