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authorNiklas Cassel <niklas.cassel@linaro.org>2019-05-21 15:05:15 +0530
committerAndy Gross <agross@kernel.org>2019-05-29 21:37:31 -0500
commit45ea8f32b03164c282e96287066398801e02cb6c (patch)
treeee5eb3f74798e4a27d4d461fcdfbcd9ab50bfe90 /arch/arm64/boot/dts/qcom/qcs404.dtsi
parent3fdeaee951aa908963f371ba15c49e04f7d970be (diff)
arm64: dts: qcom: qcs404: Add PSCI cpuidle low power states
Add device bindings for cpuidle states for cpu devices. Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org> [amit: rename the idle-states to more generic names and fixups] Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <agross@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/qcom/qcs404.dtsi')
-rw-r--r--arch/arm64/boot/dts/qcom/qcs404.dtsi18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
index ffedf9640af7..5e17254c3c56 100644
--- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
@@ -30,6 +30,7 @@
compatible = "arm,cortex-a53";
reg = <0x100>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
next-level-cache = <&L2_0>;
};
@@ -38,6 +39,7 @@
compatible = "arm,cortex-a53";
reg = <0x101>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
next-level-cache = <&L2_0>;
};
@@ -46,6 +48,7 @@
compatible = "arm,cortex-a53";
reg = <0x102>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
next-level-cache = <&L2_0>;
};
@@ -54,6 +57,7 @@
compatible = "arm,cortex-a53";
reg = <0x103>;
enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
next-level-cache = <&L2_0>;
};
@@ -61,6 +65,20 @@
compatible = "cache";
cache-level = <2>;
};
+
+ idle-states {
+ entry-method = "psci";
+
+ CPU_SLEEP_0: cpu-sleep-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "standalone-power-collapse";
+ arm,psci-suspend-param = <0x40000003>;
+ entry-latency-us = <125>;
+ exit-latency-us = <180>;
+ min-residency-us = <595>;
+ local-timer-stop;
+ };
+ };
};
firmware {