On Thu, Mar 28, 2019 at 01:09:36PM +0000, Charles Keepax wrote: > Lochnagar is an evaluation and development board for Cirrus > Logic Smart CODEC and Amp devices. It allows the connection of > most Cirrus Logic devices on mini-cards, as well as allowing > connection of various application processor systems to provide a > full evaluation platform. This driver supports the board > controller chip on the Lochnagar board. > > Signed-off-by: Charles Keepax <[email protected]> > --- > > No changes since v3. > > Thanks, > Charles > > .../devicetree/bindings/hwmon/cirrus,lochnagar.txt | 26 > ++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/hwmon/cirrus,lochnagar.txt > > diff --git a/Documentation/devicetree/bindings/hwmon/cirrus,lochnagar.txt > b/Documentation/devicetree/bindings/hwmon/cirrus,lochnagar.txt > new file mode 100644 > index 0000000000000..ffb79ccf51ee3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/cirrus,lochnagar.txt > @@ -0,0 +1,26 @@ > +Cirrus Logic Lochnagar Audio Development Board > + > +Lochnagar is an evaluation and development board for Cirrus Logic > +Smart CODEC and Amp devices. It allows the connection of most Cirrus > +Logic devices on mini-cards, as well as allowing connection of > +various application processor systems to provide a full evaluation > +platform. Audio system topology, clocking and power can all be > +controlled through the Lochnagar, allowing the device under test > +to be used in a variety of possible use cases. > + > +This binding document describes the binding for the hardware monitor > +portion of the driver. > + > +This binding must be part of the Lochnagar MFD binding: > + [4] ../mfd/cirrus,lochnagar.txt > + > +Required properties: > + > + - compatible : One of the following strings: > + "cirrus,lochnagar2-hwmon" > + > +Example: > + > +lochnagar-hwmon { > + compatible = "cirrus,lochnagar2-hwmon";
You don't have any resources in DT, the parent MFD driver can just instantiate this child device. Rob
