Messages in this thread | | | From | Stephen Boyd <> | Subject | Re: [PATCH v4 2/2] dt-bindings: introduce Command DB for QCOM SoCs | Date | Mon, 05 Mar 2018 16:21:13 -0800 |
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Quoting Lina Iyer (2018-02-26 09:58:02) > diff --git a/Documentation/devicetree/bindings/arm/msm/cmd-db.txt b/Documentation/devicetree/bindings/arm/msm/cmd-db.txt > new file mode 100644 > index 000000000000..5737ed2ac6e8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/msm/cmd-db.txt > @@ -0,0 +1,38 @@ > +Command DB > +--------- > + > +Command DB is a database that provides a mapping between resource key and the
s/between/between the/
> +resource address for a system resource managed by a remote processor. The data > +is stored in a shared memory region and is loaded by the remote processor. > + > +Some of the Qualcomm Technologies Inc SoC's have hardware accelerators for
s/SoC's/SoCs/
> +controlling shared resources. Depending on the board configuration the shared > +resource properties may change. These properties are dynamically probed by the > +remote processor and made available in the shared memory. > + > +The bindings for Command DB is specified in the reserved-memory section in
s/bindings/node/
maybe?
> +devicetree. The devicetree representation of the command DB driver should be:
Maybe drop this last sentence entirely.
> + > +Properties: > +- compatible: > + Usage: required > + Value type: <string> > + Definition: Should be "qcom,cmd-db" > + > +- reg: > + Usage: required > + Value type: <prop encoded array> > + Definition: The register address that points to the location of the > + Command DB in memory. Additionally, specify the address > + and size of the actual lacation in memory.
s/lacation/location/
> + > +Example: > + > + reserved-memory { > + [...] > + qcom,cmd-db@c3f000c { > + reg = <0x0 0xc3f000c 0x0 0x8>, > + <0x0 0x85fe0000 0x0 0x20000>; > + compatible = "qcom,cmd-db"; > + }; > + };
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