On Fri, Feb 16, 2018 at 03:46:14PM -0700, Lina Iyer wrote:
> From: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxx
> Signed-off-by: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx>
> Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx>
> ---
> .../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";
> + };
> + };
> --
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>
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