From 04d2831976ac627b45da075db445e10c9826f0bd Mon Sep 17 00:00:00 2001
From: Johnny Liu <johnliu@nvidia.com>
Date: Wed, 15 Mar 2023 02:59:47 +0000
Subject: [PATCH] dts: enable c7 cpu idle state

For platform-specific dts, it only need to enable the c7 cpu idle state
to enable the psci cpuidle driver. Other cpu idle states information and
configuration of cpu cores are specified in the soc overlay file.

Bug 3845478

Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Change-Id: I8a84d3199d47cf4fcd32edf4d7f13272b7c7e4eb
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/platform/t23x/concord-generic-dts/+/2871279
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 overlay/tegra234-p3737-0000+p3701-0000.dts | 69 ----------------------
 overlay/tegra234-status-overlay.dtsi       |  9 +++
 2 files changed, 9 insertions(+), 69 deletions(-)

diff --git a/overlay/tegra234-p3737-0000+p3701-0000.dts b/overlay/tegra234-p3737-0000+p3701-0000.dts
index 89a2ec5..fddda6d 100644
--- a/overlay/tegra234-p3737-0000+p3701-0000.dts
+++ b/overlay/tegra234-p3737-0000+p3701-0000.dts
@@ -35,75 +35,6 @@
 				hdr40_i2c1: i2c@c250000 {
 				};
 			};
-
-			cpus {
-				cpu_core_power_states {
-					C1: c1 {
-						compatible = "arm,idle-state";
-						state-name = "Clock gated";
-						wakeup-latency-us = <1>;
-						min-residency-us = <1>;
-						status = "okay";
-					};
-
-					C7: c7 {
-						compatible = "arm,idle-state";
-						state-name = "Core powergate";
-						wakeup-latency-us = <5000>;
-						arm,psci-suspend-param= <0x40000007>;
-						min-residency-us = <30000>;
-						status = "okay";
-					};
-				};
-
-				cpu@0 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@100 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@200 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@300 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@10000 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@10100 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@10200 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@10300 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@20000 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@20100 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@20200 {
-					cpu-idle-states = <&C7>;
-				};
-
-				cpu@20300 {
-					cpu-idle-states = <&C7>;
-				};
-			};
 		};
 	};
 };
diff --git a/overlay/tegra234-status-overlay.dtsi b/overlay/tegra234-status-overlay.dtsi
index bcb1e74..48c30e6 100644
--- a/overlay/tegra234-status-overlay.dtsi
+++ b/overlay/tegra234-status-overlay.dtsi
@@ -303,6 +303,15 @@
 					status = "okay";
 				};
 			};
+
+			cpus {
+				idle-states {
+					c7 {
+						status = "okay";
+					};
+				};
+			};
+
 		};
 	};
 };