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Documentation for last level cache controller device tree bindings, client bindings usage examples. Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org> Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> Reviewed-by: Evan Green <evgreen@chromium.org> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
27 lines
770 B
Plaintext
27 lines
770 B
Plaintext
== Introduction==
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LLCC (Last Level Cache Controller) provides last level of cache memory in SOC,
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that can be shared by multiple clients. Clients here are different cores in the
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SOC, the idea is to minimize the local caches at the clients and migrate to
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common pool of memory. Cache memory is divided into partitions called slices
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which are assigned to clients. Clients can query the slice details, activate
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and deactivate them.
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Properties:
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- compatible:
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Usage: required
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Value type: <string>
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Definition: must be "qcom,sdm845-llcc"
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- reg:
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Usage: required
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Value Type: <prop-encoded-array>
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Definition: Start address and the the size of the register region.
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Example:
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cache-controller@1100000 {
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compatible = "qcom,sdm845-llcc";
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reg = <0x1100000 0x250000>;
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};
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