[PATCH 6/7] ARM: dts: qcom: msm8226: Hook up CPU cooling

Luca Weiss
2024-06-19T21:03:10Z

Add cooling-maps for the CPU thermal zones so the driver can actually do
something when the CPU temperature rises too much.

Signed-off-by: Luca Weiss <luca@lucaweiss.eu>
---
arch/arm/boot/dts/qcom/qcom-msm8226.dtsi | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
index 6e9fbe2e7223..9deee34fc5ca 100644
--- a/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-msm8226.dtsi
@@ -12,6 +12,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/reset/qcom,gcc-msm8974.h>
+#include <dt-bindings/thermal/thermal.h>

/ {
#address-cells = <1>;
@@ -48,6 +49,7 @@ CPU0: cpu@0 {
operating-points-v2 = <&cpu_opp_table>;
qcom,acc = <&acc0>;
qcom,saw = <&saw0>;
+ #cooling-cells = <2>;
};

CPU1: cpu@1 {
@@ -60,6 +62,7 @@ CPU1: cpu@1 {
operating-points-v2 = <&cpu_opp_table>;
qcom,acc = <&acc1>;
qcom,saw = <&saw1>;
+ #cooling-cells = <2>;
};

CPU2: cpu@2 {
@@ -72,6 +75,7 @@ CPU2: cpu@2 {
operating-points-v2 = <&cpu_opp_table>;
qcom,acc = <&acc2>;
qcom,saw = <&saw2>;
+ #cooling-cells = <2>;
};

CPU3: cpu@3 {
@@ -84,6 +88,7 @@ CPU3: cpu@3 {
operating-points-v2 = <&cpu_opp_table>;
qcom,acc = <&acc3>;
qcom,saw = <&saw3>;
+ #cooling-cells = <2>;
};

L2: l2-cache {
@@ -1256,6 +1261,16 @@ cpu0-thermal {

thermal-sensors = <&tsens 5>;

+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert0>;
+ 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>;
+ };
+ };
+
trips {
cpu_alert0: trip0 {
temperature = <75000>;
@@ -1277,6 +1292,16 @@ cpu1-thermal {

thermal-sensors = <&tsens 2>;

+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert1>;
+ 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>;
+ };
+ };
+
trips {
cpu_alert1: trip0 {
temperature = <75000>;

--
2.45.2