* [PATCH] arm64: dts: lx2160a: add cpu idle support
@ 2019-04-18 3:42 ` Ran Wang
0 siblings, 0 replies; 6+ messages in thread
From: Ran Wang @ 2019-04-18 3:42 UTC (permalink / raw)
To: Shawn Guo
Cc: Leo Li, Rob Herring, linux-arm-kernel, devicetree, linux-kernel,
Ran Wang
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>
---
arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 25 ++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index fe87204..1e07155 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -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 {
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] arm64: dts: lx2160a: add cpu idle support
@ 2019-04-18 3:42 ` Ran Wang
0 siblings, 0 replies; 6+ messages in thread
From: Ran Wang @ 2019-04-18 3:42 UTC (permalink / raw)
To: Shawn Guo
Cc: Leo Li, Rob Herring, linux-arm-kernel, devicetree, linux-kernel,
Ran Wang
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>
---
arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 25 ++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index fe87204..1e07155 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -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 {
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] arm64: dts: lx2160a: add cpu idle support
@ 2019-04-18 3:42 ` Ran Wang
0 siblings, 0 replies; 6+ messages in thread
From: Ran Wang @ 2019-04-18 3:42 UTC (permalink / raw)
To: Shawn Guo
Cc: devicetree, linux-kernel, Leo Li, Rob Herring, Ran Wang,
linux-arm-kernel
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>
---
arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 25 ++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index fe87204..1e07155 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -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 {
--
1.7.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] arm64: dts: lx2160a: add cpu idle support
2019-04-18 3:42 ` Ran Wang
(?)
@ 2019-04-22 2:41 ` Shawn Guo
-1 siblings, 0 replies; 6+ messages in thread
From: Shawn Guo @ 2019-04-22 2:41 UTC (permalink / raw)
To: Ran Wang; +Cc: Leo Li, Rob Herring, linux-arm-kernel, devicetree, linux-kernel
On Thu, Apr 18, 2019 at 03:42:25AM +0000, Ran Wang wrote:
> 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>
Applied, thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] arm64: dts: lx2160a: add cpu idle support
@ 2019-04-22 2:41 ` Shawn Guo
0 siblings, 0 replies; 6+ messages in thread
From: Shawn Guo @ 2019-04-22 2:41 UTC (permalink / raw)
To: Ran Wang; +Cc: Leo Li, Rob Herring, linux-arm-kernel, devicetree, linux-kernel
On Thu, Apr 18, 2019 at 03:42:25AM +0000, Ran Wang wrote:
> 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>
Applied, thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] arm64: dts: lx2160a: add cpu idle support
@ 2019-04-22 2:41 ` Shawn Guo
0 siblings, 0 replies; 6+ messages in thread
From: Shawn Guo @ 2019-04-22 2:41 UTC (permalink / raw)
To: Ran Wang; +Cc: devicetree, Rob Herring, linux-kernel, linux-arm-kernel, Leo Li
On Thu, Apr 18, 2019 at 03:42:25AM +0000, Ran Wang wrote:
> 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>
Applied, thanks.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2019-04-22 2:41 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-18 3:42 [PATCH] arm64: dts: lx2160a: add cpu idle support Ran Wang
2019-04-18 3:42 ` Ran Wang
2019-04-18 3:42 ` Ran Wang
2019-04-22 2:41 ` Shawn Guo
2019-04-22 2:41 ` Shawn Guo
2019-04-22 2:41 ` Shawn Guo
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