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Date: Fri, 21 Aug 2020 11:39:58 +0530
From: Amit Kucheria <amit.kucheria@...aro.org>
To: Yuantian Tang <andy.tang@....com>
Cc: Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
Rob Herring <robh+dt@...nel.org>,
lakml <linux-arm-kernel@...ts.infradead.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2 v2] arm64: dts: ls208xa: add more thermal zone support
On Wed, Jul 15, 2020 at 12:25 PM <andy.tang@....com> wrote:
>
> From: Yuantian Tang <andy.tang@....com>
>
> There are 7 thermal zones in ls208xa soc. Add the other thermal zone
> nodes to enable them.
>
> Signed-off-by: Yuantian Tang <andy.tang@....com>
Reviewed-by: Amit Kucheria <amitk@...nel.org>
> ---
> v2:
> - remove useless alert trip
> - add cooling-map to core cluster zones.
>
> .../arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 141 ++++++++++++++++--
> 1 file changed, 132 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> index 41102dacc2e1..cc36c969dd9d 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> @@ -79,20 +79,62 @@
> };
>
> thermal-zones {
> - cpu_thermal: cpu-thermal {
> + ddr-controller1 {
> polling-delay-passive = <1000>;
> polling-delay = <5000>;
> + thermal-sensors = <&tmu 1>;
>
> + trips {
> + ddr-ctrler1-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> +
> + ddr-controller2 {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 2>;
> +
> + trips {
> + ddr-ctrler2-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> +
> + ddr-controller3 {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 3>;
> +
> + trips {
> + ddr-ctrler3-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> + };
> +
> + core-cluster1 {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> thermal-sensors = <&tmu 4>;
>
> trips {
> - cpu_alert: cpu-alert {
> - temperature = <75000>;
> + core_cluster1_alert: core-cluster1-alert {
> + temperature = <85000>;
> hysteresis = <2000>;
> type = "passive";
> };
> - cpu_crit: cpu-crit {
> - temperature = <85000>;
> +
> + core-cluster1-crit {
> + temperature = <95000>;
> hysteresis = <2000>;
> type = "critical";
> };
> @@ -100,14 +142,95 @@
>
> cooling-maps {
> map0 {
> - trip = <&cpu_alert>;
> + trip = <&core_cluster1_alert>;
> cooling-device =
> <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> - <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> +
> + core-cluster2 {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 5>;
> +
> + trips {
> + core_cluster2_alert: core-cluster2-alert {
> + temperature = <85000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + core-cluster2-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&core_cluster2_alert>;
> + cooling-device =
> <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> - <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> +
> + core-cluster3 {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 6>;
> +
> + trips {
> + core_cluster3_alert: core-cluster3-alert {
> + temperature = <85000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + core-cluster3-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&core_cluster3_alert>;
> + cooling-device =
> <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> - <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> +
> + core-cluster4 {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 7>;
> +
> + trips {
> + core_cluster4_alert: core-cluster4-alert {
> + temperature = <85000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + core-cluster4-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&core_cluster4_alert>;
> + cooling-device =
> <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> };
> --
> 2.17.1
>
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