[PATCH 3/3 repost] clocksource: sh_tmu: Document r8a7779 binding

[Mark Rutland]

On Wed, Aug 27, 2014 at 06:28:20AM +0100, Simon Horman wrote:
> In general Renesas hardware is not documented to the extent
> where the relationship between IP blocks on different SoCs can be assumed
> although they may appear to operate the same way. Furthermore the
> documentation typically does not specify a version for individual
> IP blocks. For these reasons a convention of using the SoC name in place
> of a version and providing SoC-specific compat strings has been adopted.
> 
> Although not universally liked this convention is used in the bindings
> for the drivers a number of drivers for Renesas hardware. The purpose
> of this patch is to update the Renesas R-Car Timer Unit (TMU)
> driver to follow this convention.
> 
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> 
> ---
> * I plan to follow up with a patch patch to use the new binding in the
>   dtsi files for the r8a7779 SoC.
> ---
>  Documentation/devicetree/bindings/timer/renesas,tmu.txt | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.txt b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
> index 425d0c5..712ddfa 100644
> --- a/Documentation/devicetree/bindings/timer/renesas,tmu.txt
> +++ b/Documentation/devicetree/bindings/timer/renesas,tmu.txt
> @@ -8,7 +8,9 @@ are independent. The TMU hardware supports up to three channels.
>  
>  Required Properties:
>  
> -  - compatible: must contain "renesas,tmu"
> +  - compatible: must contain one of the following.
> +    - "renesas,tmu" generic TMU
> +    - "renesas,tmu-r8a7779" R8A7779 TMU

Similarly to patch 2, "one or more" and swap the order here?

Mark.

>  
>    - reg: base address and length of the registers block for the timer module.
>  
> @@ -27,7 +29,7 @@ Optional Properties:
>  Example: R8A7779 (R-Car H1) TMU0 node
>  
>  	tmu0: timer at ffd80000 {
> -		compatible = "renesas,tmu";
> +		compatible = "renesas,tmu-r8a7779", "renesas,tmu";
>  		reg = <0xffd80000 0x30>;
>  		interrupts = <0 32 IRQ_TYPE_LEVEL_HIGH>,
>  			     <0 33 IRQ_TYPE_LEVEL_HIGH>,
> -- 
> 2.0.1
> 
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