From: Ulf Hansson <ulf.hansson@linaro.org> To: "Rafael J . Wysocki" <rjw@rjwysocki.net>, Sudeep Holla <sudeep.holla@arm.com>, Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Mark Rutland <mark.rutland@arm.com>, linux-pm@vger.kernel.org Cc: Kevin Hilman <khilman@kernel.org>, Lina Iyer <ilina@codeaurora.org>, Lina Iyer <lina.iyer@linaro.org>, Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>, Daniel Lezcano <daniel.lezcano@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Vincent Guittot <vincent.guittot@linaro.org>, Stephen Boyd <sboyd@kernel.org>, Juri Lelli <juri.lelli@arm.com>, Geert Uytterhoeven <geert+renesas@glider.be>, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Gross <andy.gross@linaro.org>, David Brown <david.brown@linaro.org> Subject: [PATCH v8 26/26] arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916 Date: Wed, 20 Jun 2018 19:22:26 +0200 [thread overview] Message-ID: <20180620172226.15012-27-ulf.hansson@linaro.org> (raw) In-Reply-To: <20180620172226.15012-1-ulf.hansson@linaro.org> From: Lina Iyer <lina.iyer@linaro.org> In the hierarchical layout, we are creating power domains around each CPU and describes the idle states for them inside the power domain provider node. Note that, the CPU's idle states still needs to be compatible with "arm,idle-state". Furthermore, represent the CPU cluster as a separate master power domain, powering the CPU's power domains. The cluster node, contains the idle states for the cluster and each idle state needs to be compatible with the "domain-idle-state". If the running platform is using a PSCI FW that supports the OS initiated CPU suspend mode, which likely should be the case unless the PSCI FW is very old, this change makes the PSCI driver to enable it. Cc: Andy Gross <andy.gross@linaro.org> Cc: David Brown <david.brown@linaro.org> Cc: Lina Iyer <ilina@codeaurora.org> Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Co-developed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- arch/arm64/boot/dts/qcom/msm8916.dtsi | 53 +++++++++++++++++++++++++-- 1 file changed, 49 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 650f356f69ca..d67c51090d0c 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -113,10 +113,10 @@ reg = <0x0>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD0>; }; CPU1: cpu@1 { @@ -125,10 +125,10 @@ reg = <0x1>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD1>; }; CPU2: cpu@2 { @@ -137,10 +137,10 @@ reg = <0x2>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD2>; }; CPU3: cpu@3 { @@ -149,10 +149,10 @@ reg = <0x3>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD3>; }; L2_0: l2-cache { @@ -169,12 +169,57 @@ min-residency-us = <2000>; local-timer-stop; }; + + CLUSTER_RET: cluster-retention { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x1000010>; + entry-latency-us = <500>; + exit-latency-us = <500>; + min-residency-us = <2000>; + }; + + CLUSTER_PWRDN: cluster-gdhs { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x1000030>; + entry-latency-us = <2000>; + exit-latency-us = <2000>; + min-residency-us = <6000>; + }; }; }; psci { compatible = "arm,psci-1.0"; method = "smc"; + + CPU_PD0: cpu-pd0 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CPU_PD1: cpu-pd1 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CPU_PD2: cpu-pd2 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CPU_PD3: cpu-pd3 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CLUSTER_PD: cluster-pd { + #power-domain-cells = <0>; + domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>; + }; }; pmu { -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: ulf.hansson@linaro.org (Ulf Hansson) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 26/26] arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916 Date: Wed, 20 Jun 2018 19:22:26 +0200 [thread overview] Message-ID: <20180620172226.15012-27-ulf.hansson@linaro.org> (raw) In-Reply-To: <20180620172226.15012-1-ulf.hansson@linaro.org> From: Lina Iyer <lina.iyer@linaro.org> In the hierarchical layout, we are creating power domains around each CPU and describes the idle states for them inside the power domain provider node. Note that, the CPU's idle states still needs to be compatible with "arm,idle-state". Furthermore, represent the CPU cluster as a separate master power domain, powering the CPU's power domains. The cluster node, contains the idle states for the cluster and each idle state needs to be compatible with the "domain-idle-state". If the running platform is using a PSCI FW that supports the OS initiated CPU suspend mode, which likely should be the case unless the PSCI FW is very old, this change makes the PSCI driver to enable it. Cc: Andy Gross <andy.gross@linaro.org> Cc: David Brown <david.brown@linaro.org> Cc: Lina Iyer <ilina@codeaurora.org> Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Co-developed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- arch/arm64/boot/dts/qcom/msm8916.dtsi | 53 +++++++++++++++++++++++++-- 1 file changed, 49 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 650f356f69ca..d67c51090d0c 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -113,10 +113,10 @@ reg = <0x0>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD0>; }; CPU1: cpu at 1 { @@ -125,10 +125,10 @@ reg = <0x1>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD1>; }; CPU2: cpu at 2 { @@ -137,10 +137,10 @@ reg = <0x2>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD2>; }; CPU3: cpu at 3 { @@ -149,10 +149,10 @@ reg = <0x3>; next-level-cache = <&L2_0>; enable-method = "psci"; - cpu-idle-states = <&CPU_SPC>; clocks = <&apcs 0>; operating-points-v2 = <&cpu_opp_table>; #cooling-cells = <2>; + power-domains = <&CPU_PD3>; }; L2_0: l2-cache { @@ -169,12 +169,57 @@ min-residency-us = <2000>; local-timer-stop; }; + + CLUSTER_RET: cluster-retention { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x1000010>; + entry-latency-us = <500>; + exit-latency-us = <500>; + min-residency-us = <2000>; + }; + + CLUSTER_PWRDN: cluster-gdhs { + compatible = "domain-idle-state"; + arm,psci-suspend-param = <0x1000030>; + entry-latency-us = <2000>; + exit-latency-us = <2000>; + min-residency-us = <6000>; + }; }; }; psci { compatible = "arm,psci-1.0"; method = "smc"; + + CPU_PD0: cpu-pd0 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CPU_PD1: cpu-pd1 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CPU_PD2: cpu-pd2 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CPU_PD3: cpu-pd3 { + #power-domain-cells = <0>; + power-domains = <&CLUSTER_PD>; + domain-idle-states = <&CPU_SPC>; + }; + + CLUSTER_PD: cluster-pd { + #power-domain-cells = <0>; + domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>; + }; }; pmu { -- 2.17.1
next prev parent reply other threads:[~2018-06-20 17:22 UTC|newest] Thread overview: 165+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-20 17:22 [PATCH v8 00/26] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM) Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 01/26] PM / Domains: Don't treat zero found compatible idle states as an error Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 02/26] PM / Domains: Deal with multiple states but no governor in genpd Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 03/26] PM / Domains: Add generic data pointer to genpd_power_state struct Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-24 21:09 ` Rafael J. Wysocki 2018-06-24 21:09 ` Rafael J. Wysocki 2018-06-25 8:34 ` Ulf Hansson 2018-06-25 8:34 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 04/26] PM / Domains: Add support for CPU devices to genpd Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-07-19 10:25 ` Rafael J. Wysocki 2018-07-19 10:25 ` Rafael J. Wysocki 2018-08-03 11:43 ` Ulf Hansson 2018-08-03 11:43 ` Ulf Hansson 2018-08-06 9:36 ` Rafael J. Wysocki 2018-08-06 9:36 ` Rafael J. Wysocki 2018-08-24 6:47 ` Ulf Hansson 2018-08-24 6:47 ` Ulf Hansson 2018-09-14 9:26 ` Rafael J. Wysocki 2018-09-14 9:26 ` Rafael J. Wysocki 2018-06-20 17:22 ` [PATCH v8 05/26] PM / Domains: Add helper functions to attach/detach CPUs to/from genpd Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-07-19 10:22 ` Rafael J. Wysocki 2018-07-19 10:22 ` Rafael J. Wysocki 2018-08-03 11:44 ` Ulf Hansson 2018-08-03 11:44 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 06/26] timer: Export next wakeup time of a CPU Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-07-19 10:15 ` Rafael J. Wysocki 2018-07-19 10:15 ` Rafael J. Wysocki 2018-06-20 17:22 ` [PATCH v8 07/26] PM / Domains: Add genpd governor for CPUs Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-07-19 10:32 ` Rafael J. Wysocki 2018-07-19 10:32 ` Rafael J. Wysocki 2018-07-26 9:14 ` Rafael J. Wysocki 2018-07-26 9:14 ` Rafael J. Wysocki 2018-08-03 14:28 ` Ulf Hansson 2018-08-03 14:28 ` Ulf Hansson 2018-08-03 14:28 ` Ulf Hansson 2018-08-06 9:20 ` Rafael J. Wysocki 2018-08-06 9:20 ` Rafael J. Wysocki 2018-08-06 9:20 ` Rafael J. Wysocki 2018-08-09 15:39 ` Lorenzo Pieralisi 2018-08-09 15:39 ` Lorenzo Pieralisi 2018-08-09 15:39 ` Lorenzo Pieralisi 2018-08-24 9:26 ` Ulf Hansson 2018-08-24 9:26 ` Ulf Hansson 2018-08-24 9:26 ` Ulf Hansson 2018-08-24 10:38 ` Lorenzo Pieralisi 2018-08-24 10:38 ` Lorenzo Pieralisi 2018-08-24 10:38 ` Lorenzo Pieralisi 2018-08-30 13:36 ` Ulf Hansson 2018-08-30 13:36 ` Ulf Hansson 2018-08-30 13:36 ` Ulf Hansson 2018-09-13 15:37 ` Lorenzo Pieralisi 2018-09-13 15:37 ` Lorenzo Pieralisi 2018-09-13 15:37 ` Lorenzo Pieralisi 2018-09-14 9:50 ` Rafael J. Wysocki 2018-09-14 9:50 ` Rafael J. Wysocki 2018-09-14 9:50 ` Rafael J. Wysocki 2018-09-14 10:44 ` Lorenzo Pieralisi 2018-09-14 10:44 ` Lorenzo Pieralisi 2018-09-14 10:44 ` Lorenzo Pieralisi 2018-09-14 11:34 ` Rafael J. Wysocki 2018-09-14 11:34 ` Rafael J. Wysocki 2018-09-14 11:34 ` Rafael J. Wysocki 2018-09-14 12:30 ` Lorenzo Pieralisi 2018-09-14 12:30 ` Lorenzo Pieralisi 2018-09-14 12:30 ` Lorenzo Pieralisi 2018-08-24 8:29 ` Ulf Hansson 2018-08-24 8:29 ` Ulf Hansson 2018-08-24 8:29 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 08/26] PM / Domains: Extend genpd CPU governor to cope with QoS constraints Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-07-19 10:35 ` Rafael J. Wysocki 2018-07-19 10:35 ` Rafael J. Wysocki 2018-08-03 11:42 ` Ulf Hansson 2018-08-03 11:42 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 09/26] kernel/cpu_pm: Manage runtime PM in the idle path for CPUs Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-07-18 10:11 ` Rafael J. Wysocki 2018-07-18 10:11 ` Rafael J. Wysocki 2018-07-19 10:12 ` Rafael J. Wysocki 2018-07-19 10:12 ` Rafael J. Wysocki 2018-07-19 10:39 ` Rafael J. Wysocki 2018-07-19 10:39 ` Rafael J. Wysocki 2018-08-03 11:42 ` Ulf Hansson 2018-08-03 11:42 ` Ulf Hansson 2018-08-06 9:37 ` Rafael J. Wysocki 2018-08-06 9:37 ` Rafael J. Wysocki 2018-08-08 10:56 ` Lorenzo Pieralisi 2018-08-08 10:56 ` Lorenzo Pieralisi 2018-08-08 18:02 ` Lina Iyer 2018-08-08 18:02 ` Lina Iyer 2018-08-09 8:16 ` Rafael J. Wysocki 2018-08-09 8:16 ` Rafael J. Wysocki 2018-08-09 8:16 ` Rafael J. Wysocki 2018-08-10 20:36 ` Lina Iyer 2018-08-10 20:36 ` Lina Iyer 2018-08-12 9:53 ` Rafael J. Wysocki 2018-08-12 9:53 ` Rafael J. Wysocki 2018-08-12 9:53 ` Rafael J. Wysocki 2018-08-09 9:58 ` Sudeep Holla 2018-08-09 9:58 ` Sudeep Holla 2018-08-09 9:58 ` Sudeep Holla 2018-08-09 10:25 ` Lorenzo Pieralisi 2018-08-09 10:25 ` Lorenzo Pieralisi 2018-08-10 20:18 ` Lina Iyer 2018-08-10 20:18 ` Lina Iyer 2018-08-15 10:44 ` Lorenzo Pieralisi 2018-08-15 10:44 ` Lorenzo Pieralisi 2018-08-24 12:24 ` Ulf Hansson 2018-08-24 12:24 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 10/26] dt: psci: Update DT bindings to support hierarchical PSCI states Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 11/26] of: base: Add of_get_cpu_state_node() to get idle states for a CPU node Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 12/26] cpuidle: dt: Support hierarchical CPU idle states Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 13/26] drivers: firmware: psci: Move psci to separate directory Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 14/26] MAINTAINERS: Update files for PSCI Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 15/26] drivers: firmware: psci: Split psci_dt_cpu_init_idle() Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 16/26] drivers: firmware: psci: Support hierarchical CPU idle states Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 17/26] drivers: firmware: psci: Simplify error path of psci_dt_init() Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 18/26] drivers: firmware: psci: Announce support for OS initiated suspend mode Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 19/26] drivers: firmware: psci: Prepare to use " Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 20/26] drivers: firmware: psci: Share a few internal PSCI functions Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 21/26] drivers: firmware: psci: Add support for PM domains using genpd Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 22/26] drivers: firmware: psci: Introduce psci_dt_topology_init() Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 23/26] drivers: firmware: psci: Try to attach CPU devices to their PM domains Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` [PATCH v8 24/26] drivers: firmware: psci: Deal with CPU hotplug when using OSI mode Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-11-19 19:50 ` Raju P L S S S N 2018-11-19 19:50 ` Raju P L S S S N 2018-11-20 9:50 ` Ulf Hansson 2018-11-20 9:50 ` Ulf Hansson 2018-11-20 10:47 ` Raju P L S S S N 2018-11-20 10:47 ` Raju P L S S S N 2018-06-20 17:22 ` [PATCH v8 25/26] arm64: kernel: Respect the hierarchical CPU topology in DT for PSCI Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson 2018-06-20 17:22 ` Ulf Hansson [this message] 2018-06-20 17:22 ` [PATCH v8 26/26] arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916 Ulf Hansson 2018-07-03 5:44 ` [PATCH v8 00/26] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM) Ulf Hansson 2018-07-03 5:44 ` Ulf Hansson 2018-07-03 7:54 ` Rafael J. Wysocki 2018-07-03 7:54 ` Rafael J. Wysocki 2018-07-09 11:42 ` Ulf Hansson 2018-07-09 11:42 ` Ulf Hansson
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