On Tue, May 14, 2013 at 12:08 AM, Dolev Raviv <draviv@xxxxxxxxxxxxxx> wrote:
> Compatible list is used in commit 03b1781 but is not documented.
> Add necessary device tree bindings to describe on-chip UFS host
> controllers.
>
> Signed-off-by: Sujit Reddy Thumma <sthumma@xxxxxxxxxxxxxx>
>
> diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> new file mode 100644
> index 0000000..20468b2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt
> @@ -0,0 +1,16 @@
> +* Universal Flash Storage (UFS) Host Controller
> +
> +UFSHC nodes are defined to describe on-chip UFS host controllers.
> +Each UFS controller instance should have its own node.
> +
> +Required properties:
> +- compatible : compatible list, contains "jedec,ufs-1.1"
> +- interrupts : <interrupt mapping for UFS host controller IRQ>
> +- reg : <registers mapping>
> +
> +Example:
> + ufshc@0xfc598000 {
> + compatible = "jedec,ufs-1.1";
Hmm.
Does jedec really specify the programming interface of this type of
device, register layout and meaning? It seems to be more about the
command set and electrical/connectivity specifications, no?
-Olof
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