| Message ID | 20180216224614.24037-3-ilina@codeaurora.org |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
| Series | None | expand |
On Fri, Feb 16, 2018 at 03:46:14PM -0700, Lina Iyer wrote: > From: Mahesh Sivasubramanian <msivasub@codeaurora.org> > > Command DB provides information on shared resources like clocks, > regulators etc., probed at boot by the remote subsytem and made > available in shared memory. > > Cc: devicetree@vger.kernel.org > Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org> > Signed-off-by: Lina Iyer <ilina@codeaurora.org> > --- > .../devicetree/bindings/arm/msm/cmd-db.txt | 30 ++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/msm/cmd-db.txt > > 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..039be54fe9c4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/msm/cmd-db.txt > @@ -0,0 +1,30 @@ > +Command DB > +--------- > + > +Command DB is a database that provides a mapping between resource key and 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 > +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 devicetree representation of the command DB driver should be: Need to state this is a child of /reserved-memory > + > +PROPERTIES: Why the yelling? :) > +- compatible: > + Usage: required > + Value type: <string> > + Definition: Should be "qcom,cmd-db" reg? > + > +Example: > + > + reserved-memory { > + [...] > + qcom,cmd-db@c3f000c { > + reg = <0x0 0xc3f000c 0x0 0x8>, > + <0x0 0x85fe0000 0x0 0x20000>; > + compatible = "qcom,cmd-db"; > + }; > + }; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, Feb 19 2018 at 20:31 +0000, Rob Herring wrote: >On Fri, Feb 16, 2018 at 03:46:14PM -0700, Lina Iyer wrote: >> From: Mahesh Sivasubramanian <msivasub@codeaurora.org> >> >> +The devicetree representation of the command DB driver should be: > >Need to state this is a child of /reserved-memory Yes, ofcourse. Will fix. > >> + >> +PROPERTIES: > >Why the yelling? :) > Oops. >> +- compatible: >> + Usage: required >> + Value type: <string> >> + Definition: Should be "qcom,cmd-db" > >reg? > Yes. Thanks Rob for the reveiw. -- Lina -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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..039be54fe9c4 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/cmd-db.txt @@ -0,0 +1,30 @@ +Command DB +--------- + +Command DB is a database that provides a mapping between resource key and 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 +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 devicetree representation of the command DB driver should be: + +PROPERTIES: +- compatible: + Usage: required + Value type: <string> + Definition: Should be "qcom,cmd-db" + +Example: + + reserved-memory { + [...] + qcom,cmd-db@c3f000c { + reg = <0x0 0xc3f000c 0x0 0x8>, + <0x0 0x85fe0000 0x0 0x20000>; + compatible = "qcom,cmd-db"; + }; + };