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Merge "dt-bindings: devfreq: Add DT bindings to support OPP BW values"
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commit
177582a192
2 changed files with 34 additions and 15 deletions
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@ -4,7 +4,7 @@ arm-memlat-mon is a device that represents the use of the PMU in ARM cores
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to measure the parameters for latency driven memory access patterns.
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Required properties:
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- compatible: Must be "qcom,arm-memlat-mon"
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- compatible: Must be "qcom,arm-memlat-mon" or "qcom,arm-cpu-mon"
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- qcom,cpulist: List of CPU phandles to be monitored in a cluster
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- qcom,target-dev: The DT device that corresponds to this master port
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- qcom,core-dev-table: A mapping table of core frequency to a required bandwidth vote at the
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@ -10,11 +10,11 @@ Required properties:
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- interconnects: Pairs of phandles and interconnect provider specificers
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to denote the edge source and destination ports of the
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desired interconnect path.
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- qcom,bw-tbl: A list of meaningful instantaneous bandwidth values
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(in MB/s) that can be requested from the device
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master port to the slave port. The list of values
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depend on the supported bus/slave frequencies and the
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bus width.
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- operating-points-v2: A phandle to the OPP v2 table that holds meaningful
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instantaneous bandwidth values (in MB/s) that can be
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requested from the device master port to the slave port.
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The list of values depend on the supported bus/slave
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frequencies and the bus width.
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Optional properties:
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- qcom,active-only: Indicates that the bandwidth votes need to be
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@ -24,17 +24,36 @@ Optional properties:
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Example:
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bw_opp_table: bw-opp-table {
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compatible = "operating-points-v2";
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opp-75 {
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opp-hz = /bits/ 64 < 572 >; /* 75 MHz */
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};
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opp-150 {
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opp-hz = /bits/ 64 < 1144 >; /* 150 MHz */
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};
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opp-200 {
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opp-hz = /bits/ 64 < 1525 >; /* 200 MHz */
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};
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opp-307 {
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opp-hz = /bits/ 64 < 2342 >; /* 307 MHz */
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};
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opp-460 {
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opp-hz = /bits/ 64 < 3509 >; /* 460 MHz */
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};
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opp-614 {
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opp-hz = /bits/ 64 < 4684 >; /* 614 MHz */
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};
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opp-800 {
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opp-hz = /bits/ 64 < 6103 >; /* 800 MHz */
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};
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opp-931 {
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opp-hz = /bits/ 64 < 7102 >; /* 931 MHz */
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};
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};
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qcom,cpubw {
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compatible = "qcom,devfreq-icc";
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interconnects = <&mc_virt MASTER_LLCC &mc_virt SLAVE_EBI1>;
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qcom,active-only;
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qcom,bw-tbl =
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< 572 /* 75 MHz */ >,
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< 1144 /* 150 MHz */ >,
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< 1525 /* 200 MHz */ >,
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< 2342 /* 307 MHz */ >,
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< 3509 /* 460 MHz */ >,
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< 4684 /* 614 MHz */ >,
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< 6103 /* 800 MHz */ >,
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< 7102 /* 931 MHz */ >;
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operating-points-v2 = <&bw_opp_table>;
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};
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