On Fri, Sep 17, 2021 at 03:54:24PM +0900, Chanho Park wrote: > Add "sysreg" regmap phandle property to control io coherency setting. > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx> > --- > .../devicetree/bindings/ufs/samsung,exynos-ufs.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml > index b9ca8ef4f2be..c3f14f81d4b7 100644 > --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml > +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml > @@ -54,6 +54,11 @@ properties: > phy-names: > const: ufs-phy > > + sysreg: Needs a vendor prefix. > + $ref: '/schemas/types.yaml#/definitions/phandle' > + description: phandle for FSYS sysreg interface, used to control > + sysreg register bit for UFS IO Coherency Is there more than 1 FSYS? If not, you can just get the node by its compatible. Also, what about 'dma-coherent' property? The driver core needs to know. > + > required: > - compatible > - reg > -- > 2.33.0 > >