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arm64: dts: lx2160a: add cpu idle support

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lx2160a supports pw20 which could help save more power during cpu is
dile. It needs system firmware support via PSCI.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Ran Wang 2019-04-18 03:42:25 +00:00 committed by Shawn Guo
parent ade5a57e30
commit 00c5ce8ac0
1 changed files with 25 additions and 0 deletions
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25
arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
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@ -33,6 +33,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster0_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@1 {
@ -48,6 +49,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster0_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@100 {
@ -63,6 +65,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster1_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@101 {
@ -78,6 +81,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster1_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@200 {
@ -93,6 +97,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster2_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@201 {
@ -108,6 +113,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster2_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@300 {
@ -123,6 +129,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster3_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@301 {
@ -138,6 +145,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster3_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@400 {
@ -153,6 +161,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster4_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@401 {
@ -168,6 +177,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster4_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@500 {
@ -183,6 +193,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster5_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@501 {
@ -198,6 +209,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster5_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@600 {
@ -213,6 +225,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster6_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@601 {
@ -228,6 +241,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster6_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@700 {
@ -243,6 +257,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster7_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cpu@701 {
@ -258,6 +273,7 @@
i-cache-line-size = <64>;
i-cache-sets = <192>;
next-level-cache = <&cluster7_l2>;
cpu-idle-states = <&cpu_pw20>;
};
cluster0_l2: l2-cache0 {
@ -323,6 +339,15 @@
cache-sets = <1024>;
cache-level = <2>;
};
cpu_pw20: cpu-pw20 {
compatible = "arm,idle-state";
idle-state-name = "PW20";
arm,psci-suspend-param = <0x0>;
entry-latency-us = <2000>;
exit-latency-us = <2000>;
min-residency-us = <6000>;
};
};
gic: interrupt-controller@6000000 {