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From: Keerthy <j-keerthy@ti.com>
To: <robh+dt@kernel.org>, <daniel.lezcano@linaro.org>,
	<rui.zhang@intel.com>, <amitk@kernel.org>, <kristo@kernel.org>
Cc: <j-keerthy@ti.com>, <linux-pm@vger.kernel.org>, <vigneshr@ti.com>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v5 3/4] arm64: dts: ti: j7200: Add VTM node
Date: Tue, 12 Apr 2022 15:44:08 +0530	[thread overview]
Message-ID: <20220412101409.7980-4-j-keerthy@ti.com> (raw)
In-Reply-To: <20220412101409.7980-1-j-keerthy@ti.com>

VTM stands for Voltage Thermal Management

Signed-off-by: Keerthy <j-keerthy@ti.com>
---
 .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi      |  9 ++++
 arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi  | 45 +++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j7200.dtsi          |  4 ++
 3 files changed, 58 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index 1044ec6c4b0d..2b5c570253cc 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -375,4 +375,13 @@
 			ti,loczrama = <1>;
 		};
 	};
+
+	wkup_vtm0: wkup_vtm0@42040000 {
+		compatible = "ti,j7200-vtm";
+		reg = <0x0 0x42040000 0x0 0x350>,
+			<0x0 0x42050000 0x0 0x350>,
+			<0x0 0x43000300 0x0 0x10>;
+		power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
+		#thermal-sensor-cells = <1>;
+	};
 };
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
new file mode 100644
index 000000000000..1f18f9dcd3e9
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+mcu_thermal: mcu_thermal {
+	polling-delay-passive = <250>; /* milliseconds */
+	polling-delay = <500>; /* milliseconds */
+	thermal-sensors = <&wkup_vtm0 0>;
+
+	trips {
+		wkup_crit: wkup_crit {
+			temperature = <125000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = "critical";
+		};
+	};
+};
+
+mpu_thermal: mpu_thermal {
+	polling-delay-passive = <250>; /* milliseconds */
+	polling-delay = <500>; /* milliseconds */
+	thermal-sensors = <&wkup_vtm0 1>;
+
+	trips {
+		mpu_crit: mpu_crit {
+			temperature = <125000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = "critical";
+		};
+	};
+};
+
+main_thermal: main_thermal {
+	polling-delay-passive = <250>; /* milliseconds */
+	polling-delay = <500>; /* milliseconds */
+	thermal-sensors = <&wkup_vtm0 2>;
+
+	trips {
+		c7x_crit: c7x_crit {
+			temperature = <125000>; /* milliCelsius */
+			hysteresis = <2000>; /* milliCelsius */
+			type = "critical";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/ti/k3-j7200.dtsi b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
index b6da0454cc5b..9ca60a4f03da 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
@@ -168,6 +168,10 @@
 				 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3 */
 		};
 	};
+
+	thermal_zones: thermal-zones {
+		#include "k3-j7200-thermal.dtsi"
+	};
 };
 
 /* Now include the peripherals for each bus segments */
-- 
2.17.1


  parent reply	other threads:[~2022-04-12 11:34 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-12 10:14 [PATCH v5 0/4] thermal: k3_j72xx_bandgap: Add the bandgap driver support Keerthy
2022-04-12 10:14 ` [PATCH v5 1/4] dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation Keerthy
2022-04-13  8:07   ` Daniel Lezcano
2022-04-13 10:13   ` Krzysztof Kozlowski
2022-04-13 12:04     ` J, KEERTHY
2022-04-13 12:25       ` Krzysztof Kozlowski
2022-04-14 15:57       ` Rob Herring
2022-04-12 10:14 ` [PATCH v5 2/4] arm64: dts: ti: j721e: Add VTM node Keerthy
2022-04-12 17:09   ` Vignesh Raghavendra
2022-04-12 23:43     ` J, KEERTHY
2022-04-13 10:14   ` Krzysztof Kozlowski
2022-04-12 10:14 ` Keerthy [this message]
2022-04-13 10:14   ` [PATCH v5 3/4] arm64: dts: ti: j7200: " Krzysztof Kozlowski
2022-04-12 10:14 ` [PATCH v5 4/4] thermal: k3_j72xx_bandgap: Add the bandgap driver support Keerthy
2022-04-12 17:00   ` kernel test robot
2022-04-13 10:17   ` Krzysztof Kozlowski
2022-04-19 17:23   ` Daniel Lezcano
2022-04-15  3:58 kernel test robot
2022-04-20  7:01 ` Dan Carpenter
2022-04-20  7:01 ` Dan Carpenter

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