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Add driver for interconnect busses found in MSM8909 based platforms.
The topology consists of three NoCs that are partially controlled by
a RPM processor.
In the downstream/vendor kernel from Qualcomm there is an additional
"mm-snoc". However, it actually ends up using the same RPM "snoc_clk"
as the normal "snoc". It looks like this is actually the same NoC
in hardware and the "mm-snoc" was only defined to assign a different
"qcom,util-fact" to increase bandwidth requests by a static margin.
In mainline we can represent this by assigning the equivalent "ab_coeff"
to all the nodes that are part of "mm-snoc" downstream.
Signed-off-by: Adam Skladowski <a39.skl@gmail.com>
[Stephan: Drop separate mm-snoc that exists downstream since it's
actually the same NoC as SNoC in hardware, add qos_offset for BIMC,
add ab_coeff for mm-snoc nodes and BIMC]
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231220-icc-msm8909-v2-2-3b68bbed2891@kernkonzept.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
1cef9f2d1e