diff mbox series

[v3,4/8] arm64: dts: mt8183: Configure CPU cooling

Message ID 20200103064407.19861-5-michael.kao@mediatek.com (mailing list archive)
State New, archived
Headers show
Series Add Mediatek thermal dirver and dtsi | expand

Commit Message

Michael Kao Jan. 3, 2020, 6:44 a.m. UTC
From: Matthias Kaehlcke <mka@chromium.org>

Add two passive trip points at 68°C and 85°C for the CPU temperature.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 55 ++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

Comments

Michael Kao Feb. 25, 2020, 9:34 a.m. UTC | #1
On Fri, 2020-01-03 at 14:44 +0800, Michael Kao wrote:
> From: Matthias Kaehlcke <mka@chromium.org>
> 
> Add two passive trip points at 68°C and 85°C for the CPU temperature.
> 
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> Signed-off-by: Michael Kao <michael.kao@mediatek.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi | 55 ++++++++++++++++++++++++
>  1 file changed, 55 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index 63378ae14a16..78575c3183a4 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -609,6 +609,61 @@
>  				polling-delay = <1000>;
>  				thermal-sensors = <&thermal 0>;
>  				sustainable-power = <5000>;
> +
> +				trips {
> +					threshold: trip-point@0 {
> +						temperature = <68000>;
> +						hysteresis = <2000>;
> +						type = "passive";
> +					};
> +
> +					target: trip-point@1 {
> +						temperature = <85000>;
> +						hysteresis = <2000>;
> +						type = "passive";
> +					};
> +
> +					cpu_crit: cpu-crit {
> +						temperature = <115000>;
> +						hysteresis = <2000>;
> +						type = "critical";
> +					};
> +				};
> +
> +				cooling-maps {
> +					map0 {
> +						trip = <&target>;
> +						cooling-device = <&cpu0
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>,
> +								 <&cpu1
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>,
> +								 <&cpu2
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>,
> +								 <&cpu3
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>;
> +						contribution = <3072>;
> +					};
> +					map1 {
> +						trip = <&target>;
> +						cooling-device = <&cpu4
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>,
> +								 <&cpu5
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>,
> +								 <&cpu6
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>,
> +								 <&cpu7
> +							THERMAL_NO_LIMIT
> +							THERMAL_NO_LIMIT>;
> +						contribution = <1024>;
> +					};
> +				};
>  			};
>  
>  			/* The tzts1 ~ tzts6 don't need to polling */

Gentally remind, do you have any comments?
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 63378ae14a16..78575c3183a4 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -609,6 +609,61 @@ 
 				polling-delay = <1000>;
 				thermal-sensors = <&thermal 0>;
 				sustainable-power = <5000>;
+
+				trips {
+					threshold: trip-point@0 {
+						temperature = <68000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+
+					target: trip-point@1 {
+						temperature = <85000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+
+					cpu_crit: cpu-crit {
+						temperature = <115000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&target>;
+						cooling-device = <&cpu0
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu1
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu2
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu3
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+						contribution = <3072>;
+					};
+					map1 {
+						trip = <&target>;
+						cooling-device = <&cpu4
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu5
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu6
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu7
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+						contribution = <1024>;
+					};
+				};
 			};
 
 			/* The tzts1 ~ tzts6 don't need to polling */