[PATCH] powerpc/fsl: add device tree binding for QE firmware

Grant Likely grant.likely at secretlab.ca
Sat Mar 27 05:44:52 EST 2010


On Fri, Mar 26, 2010 at 12:39 PM, Timur Tabi <timur at freescale.com> wrote:
> Grant Likely wrote:
>>> Without the compatible property, the only way I'd know that the child node contains a firmware is to look at the actual name of the child node, which (as Scott and I believe) is not better than a compatible property.
>> If it is always a child of a qe node, then I've got no objections.
>
> I have no problem with putting the firmware node as a child of the QE node and skipping the phandle property, but only as long as there's only one QE node.  Would you agree that this is bad:
>
> qe1: qe at e0080000 {
>        compatible = "fsl,qe";
>        qefw: fsl,qe_firmware {
>                compatible="fsl,qe-firmware";
>                fsl,firmware = /bininc/("firmware-blob.bin");
>                fsl,qe-firmware-eccr = <0x00000000 0x00001230>;
>        }
>        ...
> }
>
> qe2: qe at e0090000 {
>        compatible = "fsl,qe";
>        fsl,firmware-phandle = <&qefw>;
>        ...
> }

Nah.  That looks totally fine.  Not having the firmware under a qe
node would look bad to me.

g.


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