Q: MTD RAM in OF Device Tree

Hi all,

is there a standard way to define a ram chip (in my case a battery-buffered=
 nv ram, attached to the 5200's Local Bus) in the OF tree, and are there an=
y drivers (on 2.6.29.1) which pick up the chip/partition specification for =
mtd?  Does such a driver exist, or do I have to write one (probably based o=
n plat-ram.c?)?  I think of something like

localbus {
=09[...]
=09ranges =3D < 0 0 0xfe000000 0x02000000
=09=09   1 0 0xfc000000 0x00080000>;

        flash@0,0 {
=09=09[flash definition & partitions]
=09};

=09nvram@1,0 {
=09=09compatible =3D "mtd-ram";
=09=09reg =3D <1 0x0 0x00080000>;
=09=09bank-width =3D <2>;
=09=09device-width =3D <2>;
=09=09#size-cells =3D <1>;
=09=09#address-cells =3D <1>;
=09=09part@0 {
=09=09=09label =3D "pdata";
=09=09=09reg =3D <0x00000000 0x00080000>;
=09=09};
=09};
};

Thanks,
Albrecht.

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