diff --git a/bindings/arm/msm/rpm-smd.txt b/bindings/arm/msm/rpm-smd.txt new file mode 100644 index 000000000000..79968810b96a --- /dev/null +++ b/bindings/arm/msm/rpm-smd.txt @@ -0,0 +1,40 @@ +Resource Power Manager(RPM) + +RPM is a dedicated hardware engine for managing shared SoC resources, +which includes buses, clocks, power rails, etc. The goal of RPM is +to achieve the maximum power savings while satisfying the SoC's +operational and performance requirements. RPM accepts resource +requests from multiple RPM masters. It arbitrates and aggregates +the requests, and configures the shared resources. The RPM masters +are the application processor, the modem processor, as well as hardware +accelerators. The RPM driver communicates with the hardware engine using +SMD. + +The devicetree representation of the RPM block should be: + +Required properties + +- compatible: "qcom,rpm-smd" +- rpm-channel-name: The string corresponding to the channel name of the + peripheral subsystem. Required for both smd and + glink transports. +- rpm-channel-type: The interal SMD edge for this subsystem found in + +- interrupts: The IRQ used by remote processor to inform APSS about + reception of response message packet. + +Optional properties +- rpm-standalone: Allow RPM driver to run in standalone mode irrespective of RPM + channel presence. +- reg: Contains the memory address at which rpm messaging format version is + stored. If this field is not present, the target only supports v0 format. + +Example: + + qcom,rpm-smd { + compatible = "qcom,rpm-smd"; + interrupts = ; + qcom,rpm-channel-name = "rpm_requests"; + qcom,rpm-channel-type = 15; /* APPS_RPM_SMD */ + } +} diff --git a/bindings/arm/msm/rpm_master_stats.txt b/bindings/arm/msm/rpm_master_stats.txt new file mode 100644 index 000000000000..cfc6e3ab6243 --- /dev/null +++ b/bindings/arm/msm/rpm_master_stats.txt @@ -0,0 +1,47 @@ +* RPM Stats + +RPM maintains a counter of the masters i.e APPS, MPPS etc +number of times the SoC entered a deeper sleep mode involving +lowering or powering down the backbone rails - Cx and Mx and +the oscillator clock, XO. + +PROPERTIES + +- compatible: + Usage: required + Value type: + Definition: Should be "qcom,rpm-master-stats". + +- reg: + Usage: required + Value type: + Definition: The address on the RPM RAM from where the stats are read + should be provided as "phys_addr_base". The offset + from which the stats are available should be provided as + "offset_addr". + +- reg-names: + Usage: required + Value type: + Definition: Provides labels for the reg property. + +- qcom,masters: + Usage: required + Value tye: + Defination: Provides the masters list. + +qcom,master-offset: + Usage: required + Value tye: + Defination: Provides the masters list + +EXAMPLE: + +qcom,rpm-master-stats@60150 { + compatible = "qcom,rpm-master-stats"; + reg = <0x45f0150 0x5000>; + qcom,masters = "APSS", "MPSS", "ADSP", "CDSP", "TZ"; + qcom,master-stats-version = <2>; + qcom,master-offset = <4096>; + }; + diff --git a/qcom/bengal-pm.dtsi b/qcom/bengal-pm.dtsi new file mode 100644 index 000000000000..b1adaf4ce015 --- /dev/null +++ b/qcom/bengal-pm.dtsi @@ -0,0 +1,190 @@ +&soc { + qcom,lpm-levels { + compatible = "qcom,lpm-levels"; + qcom,use-psci; + #address-cells = <1>; + #size-cells = <0>; + qcom,pm-cluster@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + label = "system"; + qcom,spm-device-names = "cci"; + qcom,psci-mode-shift = <8>; + qcom,psci-mode-mask = <0xf>; + + qcom,pm-cluster-level@0 { + reg = <0>; + label = "system-wfi"; + qcom,psci-mode = <0x0>; + qcom,entry-latency-us = <640>; + qcom,exit-latency-us = <1654>; + qcom,min-residency-us = <2294>; + }; + + qcom,pm-cluster-level@1 { /* E3 */ + reg = <1>; + label = "system-pc"; + qcom,psci-mode = <0x3>; + qcom,entry-latency-us = <10831>; + qcom,exit-latency-us = <4506>; + qcom,min-residency-us = <15338>; + qcom,min-child-idx = <2>; + qcom,notify-rpm; + qcom,is-reset; + }; + + qcom,pm-cluster@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + label = "pwr"; + qcom,spm-device-names = "l2"; + qcom,psci-mode-shift = <4>; + qcom,psci-mode-mask = <0xf>; + + qcom,pm-cluster-level@0 { /* D1 */ + reg = <0>; + label = "pwr-l2-wfi"; + qcom,psci-mode = <0x1>; + qcom,entry-latency-us = <38>; + qcom,exit-latency-us = <51>; + qcom,min-residency-us = <89>; + }; + + qcom,pm-cluster-level@1 { /* D3G */ + reg = <1>; + label = "pwr-l2-gdhs"; + qcom,psci-mode = <0x2>; + qcom,entry-latency-us = <360>; + qcom,exit-latency-us = <421>; + qcom,min-residency-us = <782>; + qcom,min-child-idx = <1>; + }; + + qcom,pm-cluster-level@2 { /* D3 */ + reg = <2>; + label = "pwr-l2-pc"; + qcom,psci-mode = <0x4>; + qcom,entry-latency-us = <800>; + qcom,exit-latency-us = <2118>; + qcom,min-residency-us = <7376>; + qcom,min-child-idx = <1>; + qcom,is-reset; + }; + + qcom,pm-cpu { + #address-cells = <1>; + #size-cells = <0>; + qcom,psci-mode-shift = <0>; + qcom,psci-mode-mask = <0xf>; + qcom,cpu = <&CPU0 &CPU1 &CPU2 &CPU3>; + + qcom,pm-cpu-level@0 { /* C1 */ + reg = <0>; + label = "wfi"; + qcom,psci-cpu-mode = <0x1>; + qcom,entry-latency-us = <49>; + qcom,exit-latency-us = <42>; + qcom,min-residency-us = <91>; + }; + + qcom,pm-cpu-level@1 { /* C3 */ + reg = <1>; + label = "pc"; + qcom,psci-cpu-mode = <0x3>; + qcom,entry-latency-us = <290>; + qcom,exit-latency-us = <376>; + qcom,min-residency-us = <1182>; + qcom,is-reset; + qcom,use-broadcast-timer; + }; + }; + }; + + qcom,pm-cluster@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + label = "perf"; + qcom,spm-device-names = "l2"; + qcom,psci-mode-shift = <4>; + qcom,psci-mode-mask = <0xf>; + + qcom,pm-cluster-level@0 { /* D1 */ + reg = <0>; + label = "perf-l2-wfi"; + qcom,psci-mode = <0x1>; + qcom,entry-latency-us = <38>; + qcom,exit-latency-us = <51>; + qcom,min-residency-us = <89>; + }; + + qcom,pm-cluster-level@1 { /* D3G*/ + reg = <1>; + label = "perf-l2-gdhs"; + qcom,psci-mode = <2>; + qcom,entry-latency-us = <314>; + qcom,exit-latency-us = <345>; + qcom,min-residency-us = <660>; + qcom,min-child-idx = <1>; + }; + + qcom,pm-cluster-level@2 { /* D3 */ + reg = <2>; + label = "perf-l2-pc"; + qcom,psci-mode = <0x4>; + qcom,entry-latency-us = <640>; + qcom,exit-latency-us = <1654>; + qcom,min-residency-us = <8094>; + qcom,min-child-idx = <1>; + qcom,is-reset; + }; + + qcom,pm-cpu { + #address-cells = <1>; + #size-cells = <0>; + qcom,psci-mode-shift = <0>; + qcom,psci-mode-mask = <0xf>; + qcom,cpu = <&CPU4 &CPU5 &CPU6 &CPU7>; + + qcom,pm-cpu-level@0 { /* C1 */ + reg = <0>; + label = "wfi"; + qcom,psci-cpu-mode = <0x1>; + qcom,entry-latency-us = <29>; + qcom,exit-latency-us = <39>; + qcom,min-residency-us = <68>; + }; + + qcom,pm-cpu-level@1 { /* C3 */ + reg = <1>; + label = "pc"; + qcom,psci-cpu-mode = <0x3>; + qcom,entry-latency-us = <297>; + qcom,exit-latency-us = <324>; + qcom,min-residency-us = <1110>; + qcom,is-reset; + qcom,use-broadcast-timer; + }; + }; + }; + }; + }; + + qcom,rpm-stats@4600000 { + compatible = "qcom,rpm-stats"; + reg = <0x04600000 0x1000>, + <0x04690014 0x4>; + reg-names = "phys_addr_base", "offset_addr"; + qcom,sleep-stats-version = <2>; + }; + + qcom,rpm-master-stats@45f0150 { + compatible = "qcom,rpm-master-stats"; + reg = <0x45f0150 0x5000>; + qcom,masters = "APSS", "MPSS", "ADSP", "CDSP", "TZ"; + qcom,master-stats-version = <2>; + qcom,master-offset = <4096>; + }; +}; diff --git a/qcom/bengal.dtsi b/qcom/bengal.dtsi index 688a199fb318..ed3268e928af 100644 --- a/qcom/bengal.dtsi +++ b/qcom/bengal.dtsi @@ -659,6 +659,13 @@ qcom,scandump-sizes = <0x40000>; }; + rpm_bus: qcom,rpm-smd { + compatible = "qcom,rpm-smd"; + rpm-channel-name = "rpm_requests"; + interrupts = ; + rpm-channel-type = <15>; /* SMD_APPS_RPM */ + }; + qcom,chd_silver { compatible = "qcom,core-hang-detect"; label = "silver"; @@ -1437,6 +1444,7 @@ #include "msm-arm-smmu-bengal.dtsi" #include "bengal-regulator.dtsi" +#include "bengal-pm.dtsi" #include "bengal-pinctrl.dtsi" #include "bengal-qupv3.dtsi" #include "bengal-gpu.dtsi"