On Wed, Apr 11, 2018 at 10:16:37PM +0800, Icenowy Zheng wrote: > On some Allwinner SoCs the EMAC clock register needed by dwmac-sun8i is > in another device's memory space. In this situation dwmac-sun8i can use > a regmap exported by the other device with only the EMAC clock register.
If this is a clock, then why not use the clock binding? > > Document this situation in the dwmac-sun8i device tree binding > documentation. > > Signed-off-by: Icenowy Zheng <icen...@aosc.io> > --- > Documentation/devicetree/bindings/net/dwmac-sun8i.txt | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > index 3d6d5fa0c4d5..0c5f63a80617 100644 > --- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > +++ b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt > @@ -20,8 +20,9 @@ Required properties: > - phy-handle: See ethernet.txt > - #address-cells: shall be 1 > - #size-cells: shall be 0 > -- syscon: A phandle to the syscon of the SoC with one of the following > - compatible string: > +- syscon: A phandle to a device which exports the EMAC clock register as a > + regmap or to the syscon of the SoC with one of the following compatible > + string: > - allwinner,sun8i-h3-system-controller > - allwinner,sun8i-v3s-system-controller > - allwinner,sun50i-a64-system-controller > -- > 2.15.1 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html