This patch adds CPU core and cluster idle states to Tegra194
device tree
Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 9449156..c3b478e 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -2161,6 +2161,7 @@
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 +2176,7 @@
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 +2191,7 @@
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 +2206,7 @@
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 +2221,7 @@
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 +2236,7 @@
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 +2251,7 @@
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 +2266,7 @@
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>;
@@ -2343,6 +2351,17 @@
cache-line-size = <64>;
cache-sets = <4096>;
};
+
+ idle-states {
+ entry-method = "arm,psci";
+ C6: c6 {
+ compatible = "arm,idle-state";
+ wakeup-latency-us = <2000>;
+ min-residency-us = <30000>;
+ arm,psci-suspend-param = <0x6>;
+ status = "okay";
+ };
+ };
};
psci {
--
2.7.4
