Hi Valentine,
Thank you for the patch.
On Friday 17 January 2014 02:07:42 Valentine Barshak wrote:
> Now that the clocks are available in the R-Car Gen2 DT,
> add clocks property description to the sata_rcar bindings.
> The clocks have been tested on r8a7791 so we use that
> as an example of the R-Car SATA node.
>
> The patch is against for-next branch of the libata git repo.
>
> Signed-off-by: Valentine Barshak <valentine.barshak@xxxxxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/ata/sata_rcar.txt | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt
> b/Documentation/devicetree/bindings/ata/sata_rcar.txt index
> 1e61113..6da60c0 100644
> --- a/Documentation/devicetree/bindings/ata/sata_rcar.txt
> +++ b/Documentation/devicetree/bindings/ata/sata_rcar.txt
> @@ -7,12 +7,14 @@ Required properties:
> - "renesas,sata-r8a7791" for R-Car M2
> - reg : address and length of the SATA registers;
> - interrupts : must consist of one interrupt specifier.
> +- clocks : must contain a phandle and clock-specifier pair.
I would say "must contain a reference to the functional clock.", as the clock
could be referenced by a phandle only depending on the SATA IP core
integration in the SoC.
Wouldn't it be time to have standard wordings for clocks (and interrupt)
bindings ?
> Example:
>
> -sata: sata@fc600000 {
> - compatible = "renesas,sata-r8a7779";
> - reg = <0xfc600000 0x2000>;
> +sata0: sata@ee300000 {
> + compatible = "renesas,sata-r8a7791";
> + reg = <0 0xee300000 0 0x2000>;
> interrupt-parent = <&gic>;
> - interrupts = <0 100 IRQ_TYPE_LEVEL_HIGH>;
> + interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&mstp8_clks R8A7791_CLK_SATA0>;
> };
--
Regards,
Laurent Pinchart
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