All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: <thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
	<skomatineni@nvidia.com>, <daniel.lezcano@linaro.org>,
	<robh+dt@kernel.org>
Cc: <ksitaraman@nvidia.com>, <sanjayc@nvidia.com>,
	<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: [PATCH v1 5/5] arm64: dts: tegra194: Add CPU idle states
Date: Wed, 3 Mar 2021 22:08:12 -0800	[thread overview]
Message-ID: <1614838092-30398-6-git-send-email-skomatineni@nvidia.com> (raw)
In-Reply-To: <1614838092-30398-1-git-send-email-skomatineni@nvidia.com>

This patch adds CPU core and cluster idle states to Tegra194
device tree

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 9449156..f9c2731 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -2155,12 +2155,14 @@
 		nvidia,bpmp = <&bpmp>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		cluster-deepest-power-state = <0x6>;
 
 		cpu0_0: cpu@0 {
 			compatible = "nvidia,tegra194-carmel";
 			device_type = "cpu";
 			reg = <0x000>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2175,6 +2177,7 @@
 			device_type = "cpu";
 			reg = <0x001>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2189,6 +2192,7 @@
 			device_type = "cpu";
 			reg = <0x100>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2203,6 +2207,7 @@
 			device_type = "cpu";
 			reg = <0x101>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2217,6 +2222,7 @@
 			device_type = "cpu";
 			reg = <0x200>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2231,6 +2237,7 @@
 			device_type = "cpu";
 			reg = <0x201>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2245,6 +2252,7 @@
 			device_type = "cpu";
 			reg = <0x300>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2259,6 +2267,7 @@
 			device_type = "cpu";
 			reg = <0x301>;
 			enable-method = "psci";
+			cpu-idle-states = <&C6>;
 			i-cache-size = <131072>;
 			i-cache-line-size = <64>;
 			i-cache-sets = <512>;
@@ -2343,12 +2352,31 @@
 			cache-line-size = <64>;
 			cache-sets = <4096>;
 		};
+
+		cpu_core_power_states {
+			C6: c6 {
+				compatible = "nvidia,tegra194-cpuidle-core";
+				idle-state-name = "CPU powergated, state retained";
+				wakeup-latency-us = <2000>;
+				min-residency-us = <30000>;
+				arm,psci-suspend-param = <0x6>;
+				status = "okay";
+			};
+		};
+
+		cpu_crossover_thresholds {
+			thresholds {
+				crossover_c1_c6 = <30000>;
+				crossover_cc1_cc6 = <80000>;
+			};
+		};
 	};
 
 	psci {
 		compatible = "arm,psci-1.0";
 		status = "okay";
 		method = "smc";
+		cpu_suspend = <0xC4000001>;
 	};
 
 	sound {
-- 
2.7.4


      parent reply	other threads:[~2021-03-04  6:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-04  6:08 [PATCH v1 0/5] Add cpuidle support for Tegra194 Sowjanya Komatineni
2021-03-04  6:08 ` [PATCH v1 1/5] MAINTAINERS: Add Tegra CPUIDLE driver section Sowjanya Komatineni
2021-03-04  8:01   ` Daniel Lezcano
2021-03-04  6:08 ` [PATCH v1 2/5] firmware: tegra: Add Tegra194 MCE ARI driver Sowjanya Komatineni
2021-03-04  6:08 ` [PATCH v1 3/5] dt-bindings: arm: Add cpu-idle-states to Tegra194 CPU nodes Sowjanya Komatineni
2021-03-04 20:47   ` Rob Herring
2021-03-08  4:37   ` Sudeep Holla
2021-03-08 18:32     ` Sowjanya Komatineni
2021-03-10 23:19       ` Sowjanya Komatineni
2021-03-11  2:52       ` Sudeep Holla
2021-03-11 21:11         ` Sowjanya Komatineni
2021-03-16  5:38           ` Sudeep Holla
     [not found]           ` <08ac26c1-8257-4c6d-d274-595fee28a00f@nvidia.com>
2021-03-16  6:57             ` Sudeep Holla
     [not found]             ` <4b21f4c7-19cd-fcea-dd1b-9203be60a523@nvidia.com>
2021-03-15 19:26               ` Sowjanya Komatineni
2021-03-16  7:18               ` Sudeep Holla
2021-03-16 11:24                 ` Sowjanya Komatineni
2021-03-04  6:08 ` [PATCH v1 4/5] cpuidle: Add Tegra194 cpuidle driver Sowjanya Komatineni
2021-03-05 13:50   ` Dmitry Osipenko
2021-03-04  6:08 ` Sowjanya Komatineni [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1614838092-30398-6-git-send-email-skomatineni@nvidia.com \
    --to=skomatineni@nvidia.com \
    --cc=daniel.lezcano@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=jonathanh@nvidia.com \
    --cc=ksitaraman@nvidia.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=sanjayc@nvidia.com \
    --cc=thierry.reding@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.