linux-kernel - [PATCH] arm64: dts: imx8m{m,p}-verdin: use IT temperatures

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Message-Id: <20220622164410.457249-1-dev@pschenker.ch>
Date:   Wed, 22 Jun 2022 18:44:10 +0200
From:   Philippe Schenker <dev@...henker.ch>
To:     shawnguo@...nel.org, devicetree@...r.kernel.org
Cc:     Philippe Schenker <philippe.schenker@...adex.com>,
        Francesco Dolcini <francesco.dolcini@...adex.com>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: imx8m{m,p}-verdin: use IT temperatures

From: Philippe Schenker <philippe.schenker@...adex.com>

Use IT temperature threshold for critical/passive trip point
on Verdin iMX8M Plus and Mini.

Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@...adex.com>

---

 arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 8 ++++++++
 arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index eafa88d980b3..a819ed43e727 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -154,6 +154,14 @@ &A53_3 {
 	cpu-supply = <&reg_vdd_arm>;
 };
 
+&cpu_alert0 {
+	temperature = <95000>;
+};
+
+&cpu_crit0 {
+	temperature = <105000>;
+};
+
 &ddrc {
 	operating-points-v2 = <&ddrc_opp_table>;
 
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
index fb17e329cd37..7d8d8df569c5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
@@ -146,6 +146,14 @@ reserved-memory {
 	};
 };
 
+&cpu_alert0 {
+	temperature = <95000>;
+};
+
+&cpu_crit0 {
+	temperature = <105000>;
+};
+
 /* Verdin SPI_1 */
 &ecspi1 {
 	#address-cells = <1>;
-- 
2.36.1