Re: [PATCH V5 2/3] OPP: Allow multiple OPP tables to be passed via DT
From: Nishanth Menon <nm@ti.com>
Date: 2015-05-21 05:34:47
Also in:
linux-arm-kernel, linux-pm
On 05/19/2015 10:41 PM, Viresh Kumar wrote: Thinking a little more..
+Example 5: Multiple OPP tables
+
+/ {
+ cpus {
+ cpu@0 {
+ compatible = "arm,cortex-a7";
+ ...
+
+ opp-supply = <&cpu_supply>
+ operating-points-v2 = <&cpu0_opp0>, <&cpu0_opp1>;
+ };
+ };
+
+ cpu0_opp0: opp0 {Maybe we should rename these as cpu0_opp_table_slow opp_table-fast
+ compatible = "operating-points-v2"; + opp-name = "opp-slow";
just name = "slow" ?
+ opp-shared;
+
+ entry00 {rename these as opp0, opp01 etc? these are the actual OPP description, while, what we call "cpu0_opp0" is actually an OPP table choice we have.
+ opp-hz = <600000000>;
+ ...
+ };
+
+ entry01 {
+ opp-hz = <800000000>;
+ ...
+ };
+ };
+
+ cpu0_opp1: opp1 {
+ compatible = "operating-points-v2";
+ opp-name = "opp-fast";
+ opp-shared;
+
+ entry10 {
+ opp-hz = <1000000000>;
+ ...
+ };
+
+ entry11 {
+ opp-hz = <1100000000>;
+ ...
+ };
+ };
+};-- Regards, Nishanth Menon