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- From 8f053e5616352943e16966f195f5a7a161e6fe7d Mon Sep 17 00:00:00 2001
- From: Mantas Pucka <[email protected]>
- Date: Thu, 25 Jan 2024 11:04:12 +0200
- Subject: [PATCH] arm64: dts: qcom: ipq6018: add thermal zones
- Add thermal zones to make use of thermal sensors data. For CPU zone,
- add cooling device that uses CPU frequency scaling.
- Signed-off-by: Mantas Pucka <[email protected]>
- Link: https://lore.kernel.org/r/[email protected]
- Signed-off-by: Bjorn Andersson <[email protected]>
- ---
- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 121 ++++++++++++++++++++++++++
- 1 file changed, 121 insertions(+)
- --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
- +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
- @@ -9,6 +9,7 @@
- #include <dt-bindings/clock/qcom,gcc-ipq6018.h>
- #include <dt-bindings/reset/qcom,gcc-ipq6018.h>
- #include <dt-bindings/clock/qcom,apss-ipq.h>
- +#include <dt-bindings/thermal/thermal.h>
-
- / {
- #address-cells = <2>;
- @@ -43,6 +44,7 @@
- clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
- + #cooling-cells = <2>;
- };
-
- CPU1: cpu@1 {
- @@ -55,6 +57,7 @@
- clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
- + #cooling-cells = <2>;
- };
-
- CPU2: cpu@2 {
- @@ -67,6 +70,7 @@
- clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
- + #cooling-cells = <2>;
- };
-
- CPU3: cpu@3 {
- @@ -79,6 +83,7 @@
- clock-names = "cpu";
- operating-points-v2 = <&cpu_opp_table>;
- cpu-supply = <&ipq6018_s2>;
- + #cooling-cells = <2>;
- };
-
- L2_0: l2-cache {
- @@ -888,6 +893,122 @@
- };
- };
-
- + thermal-zones {
- + nss-top-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 4>;
- +
- + trips {
- + nss-top-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- + };
- + };
- +
- + nss-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 5>;
- +
- + trips {
- + nss-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- + };
- + };
- +
- + wcss-phya0-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 7>;
- +
- + trips {
- + wcss-phya0-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- + };
- + };
- +
- + wcss-phya1-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 8>;
- +
- + trips {
- + wcss-phya1-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- + };
- + };
- +
- + cpu-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 13>;
- +
- + trips {
- + cpu-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- +
- + cpu_alert: cpu-passive {
- + temperature = <110000>;
- + hysteresis = <1000>;
- + type = "passive";
- + };
- + };
- +
- + cooling-maps {
- + map0 {
- + trip = <&cpu_alert>;
- + 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>;
- + };
- + };
- + };
- +
- + lpass-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 14>;
- +
- + trips {
- + lpass-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- + };
- + };
- +
- + ddrss-top-thermal {
- + polling-delay-passive = <250>;
- + polling-delay = <1000>;
- + thermal-sensors = <&tsens 15>;
- +
- + trips {
- + ddrss-top-critical {
- + temperature = <125000>;
- + hysteresis = <1000>;
- + type = "critical";
- + };
- + };
- + };
- + };
- +
- timer {
- compatible = "arm,armv8-timer";
- interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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