linux-kernel - [PATCH] arm64: dts: qcom: pm8953: Add thermal zone

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Message-Id: <20230625-pm8953-thermal-v1-1-2b4247d2f769@z3ntu.xyz>
Date:   Sun, 25 Jun 2023 13:13:05 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Luca Weiss <luca@...tu.xyz>
Subject: [PATCH] arm64: dts: qcom: pm8953: Add thermal zone

Define the themal zones using the temperature values found in the
downstream 4.9 sources so that the spmi-temp-alarm driver becomes
active.

Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
 arch/arm64/boot/dts/qcom/pm8953.dtsi | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/pm8953.dtsi b/arch/arm64/boot/dts/qcom/pm8953.dtsi
index 2268daf27fa7..d2dfc1699174 100644
--- a/arch/arm64/boot/dts/qcom/pm8953.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8953.dtsi
@@ -6,6 +6,37 @@
 #include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/spmi/spmi.h>
 
+/ {
+	thermal-zones {
+		pm8953-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+
+			thermal-sensors = <&pm8953_temp>;
+
+			trips {
+				trip0 {
+					temperature = <105000>;
+					hysteresis = <0>;
+					type = "passive";
+				};
+
+				trip1 {
+					temperature = <125000>;
+					hysteresis = <0>;
+					type = "hot";
+				};
+
+				trip2 {
+					temperature = <145000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+	};
+};
+
 &spmi_bus {
 	pmic@0 {
 		compatible = "qcom,pm8953", "qcom,spmi-pmic";
@@ -36,7 +67,7 @@ pm8953_resin: resin {
 			};
 		};
 
-		temp-alarm@...0 {
+		pm8953_temp: temp-alarm@...0 {
 			compatible = "qcom,spmi-temp-alarm";
 			reg = <0x2400>;
 			interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_RISING>;

---
base-commit: 8d2be868b42c08290509c60515865f4de24ea704
change-id: 20230625-pm8953-thermal-fc3b2deeeb7b

Best regards,
-- 
Luca Weiss <luca@...tu.xyz>