Merge "dt-bindings: devfreq: Add DT bindings to support OPP BW values"

This commit is contained in:
qctecmdr 2019-12-04 19:24:35 -08:00 • committed by Gerrit - the friendly Code Review server
commit 177582a192
2 changed files with 34 additions and 15 deletions

View file

@ -4,7 +4,7 @@ arm-memlat-mon is a device that represents the use of the PMU in ARM cores
to measure the parameters for latency driven memory access patterns.
Required properties:
- compatible: Must be "qcom,arm-memlat-mon"
- compatible: Must be "qcom,arm-memlat-mon" or "qcom,arm-cpu-mon"
- qcom,cpulist: List of CPU phandles to be monitored in a cluster
- qcom,target-dev: The DT device that corresponds to this master port
- qcom,core-dev-table: A mapping table of core frequency to a required bandwidth vote at the

View file

@ -10,11 +10,11 @@ Required properties:
- interconnects: Pairs of phandles and interconnect provider specificers
to denote the edge source and destination ports of the
desired interconnect path.
- qcom,bw-tbl: A list of meaningful instantaneous bandwidth values
(in MB/s) that can be requested from the device
master port to the slave port. The list of values
depend on the supported bus/slave frequencies and the
bus width.
- operating-points-v2: A phandle to the OPP v2 table that holds meaningful
instantaneous bandwidth values (in MB/s) that can be
requested from the device master port to the slave port.
The list of values depend on the supported bus/slave
frequencies and the bus width.
Optional properties:
- qcom,active-only: Indicates that the bandwidth votes need to be
@ -24,17 +24,36 @@ Optional properties:
Example:
bw_opp_table: bw-opp-table {
compatible = "operating-points-v2";
opp-75 {
opp-hz = /bits/ 64 < 572 >; /* 75 MHz */
};
opp-150 {
opp-hz = /bits/ 64 < 1144 >; /* 150 MHz */
};
opp-200 {
opp-hz = /bits/ 64 < 1525 >; /* 200 MHz */
};
opp-307 {
opp-hz = /bits/ 64 < 2342 >; /* 307 MHz */
};
opp-460 {
opp-hz = /bits/ 64 < 3509 >; /* 460 MHz */
};
opp-614 {
opp-hz = /bits/ 64 < 4684 >; /* 614 MHz */
};
opp-800 {
opp-hz = /bits/ 64 < 6103 >; /* 800 MHz */
};
opp-931 {
opp-hz = /bits/ 64 < 7102 >; /* 931 MHz */
};
};
qcom,cpubw {
compatible = "qcom,devfreq-icc";
interconnects = <&mc_virt MASTER_LLCC &mc_virt SLAVE_EBI1>;
qcom,active-only;
qcom,bw-tbl =
< 572 /* 75 MHz */ >,
< 1144 /* 150 MHz */ >,
< 1525 /* 200 MHz */ >,
< 2342 /* 307 MHz */ >,
< 3509 /* 460 MHz */ >,
< 4684 /* 614 MHz */ >,
< 6103 /* 800 MHz */ >,
< 7102 /* 931 MHz */ >;
operating-points-v2 = <&bw_opp_table>;
};