Re: [PATCH 2/3 v3] Documentation: dt: add the CSR atlas7 hwspinlock bindings document

From: Suman Anna
Date: Fri May 22 2015 - 18:44:39 EST


Hi Barry,

On 05/19/2015 01:41 AM, Barry Song wrote:
> From: Wei Chen <wei.chen@xxxxxxx>
>
> The Hardware Spinlock device on atlas7 provides hardware assistance
> for synchronization between the multiple processors in the system
> (dual Cortex-A7, CAN bus Cortex-M3 and audio DSP).
> This patch adds the DT bindings information for this hwspinlock
> module.
>
> Cc: Suman Anna <s-anna@xxxxxx>
> Cc: Bjorn Andersson <bjorn@xxxxxxx>
> Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
> Signed-off-by: Barry Song <Baohua.Song@xxxxxxx>
> ---
> .../devicetree/bindings/hwlock/sirf,hwspinlock.txt | 25 ++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt
>
> diff --git a/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt
> new file mode 100644
> index 0000000..cc6d351
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt
> @@ -0,0 +1,25 @@
> +SIRF Hardware spinlock device Binding
> +-----------------------------------------------
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> + "sirf,hwspinlock"
> +
> +- reg : the register address of hwspinlock

Also suggest to document the value to be used for #hwlock-cells, the
generic hwlock binding does not mention that.

> +
> +Please look at the generic hwlock binding for usage information for consumers,
> +"Documentation/devicetree/bindings/hwlock/hwlock.txt"
> +

regards
Suman

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