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>,
<vigneshr@ti.com>, <krzysztof.kozlowski@linaro.org>
Cc: <j-keerthy@ti.com>, <linux-pm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v6 2/4] arm64: dts: ti: j721e: Add VTM node
Date: Wed, 27 Apr 2022 12:16:33 +0530 [thread overview]
Message-ID: <20220427064635.24898-3-j-keerthy@ti.com> (raw)
In-Reply-To: <20220427064635.24898-1-j-keerthy@ti.com>
VTM stands for Voltage Thermal Management
Signed-off-by: Keerthy <j-keerthy@ti.com>
---
.../boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 9 +++
arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi | 75 +++++++++++++++++++
arch/arm64/boot/dts/ti/k3-j721e.dtsi | 2 +
3 files changed, 86 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index b4972dfb7da8..0dbf51986afa 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -418,4 +418,13 @@
interrupt-names = "int0", "int1";
bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
};
+
+ wkup_vtm0: temperature-sensor@42040000 {
+ compatible = "ti,j721e-vtm";
+ reg = <0x00 0x42040000 0x00 0x350>,
+ <0x00 0x42050000 0x00 0x350>,
+ <0x00 0x43000300 0x00 0x10>;
+ power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
+ #thermal-sensor-cells = <1>;
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi
new file mode 100644
index 000000000000..c2523279001b
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+thermal_zones: thermal-zones {
+ wkup_thermal: wkup-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";
+ };
+ };
+ };
+
+ c7x_thermal: c7x-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";
+ };
+ };
+ };
+
+ gpu_thermal: gpu-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 3>;
+
+ trips {
+ gpu_crit: gpu-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+
+ r5f_thermal: r5f-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <500>; /* milliseconds */
+ thermal-sensors = <&wkup_vtm0 4>;
+
+ trips {
+ r5f_crit: r5f-crit {
+ temperature = <125000>; /* milliCelsius */
+ hysteresis = <2000>; /* milliCelsius */
+ type = "critical";
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
index 0e23886c9fd1..934dffbc136f 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
@@ -181,6 +181,8 @@
<0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/
};
};
+
+ #include "k3-j721e-thermal.dtsi"
};
/* Now include the peripherals for each bus segments */
--
2.17.1
next prev parent reply other threads:[~2022-04-27 6:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-27 6:46 [PATCH v6 0/4] thermal: k3_j72xx_bandgap: Add the bandgap driver support Keerthy
2022-04-27 6:46 ` [PATCH v6 1/4] dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation Keerthy
2022-05-03 0:34 ` Rob Herring
2022-05-09 3:18 ` J, KEERTHY
2022-05-09 6:42 ` Krzysztof Kozlowski
2022-05-11 7:53 ` J, KEERTHY
2022-05-11 8:15 ` Krzysztof Kozlowski
2022-05-11 10:57 ` J, KEERTHY
2022-04-27 6:46 ` Keerthy [this message]
2022-04-27 6:46 ` [PATCH v6 3/4] arm64: dts: ti: j7200: Add VTM node Keerthy
2022-04-27 6:46 ` [PATCH v6 4/4] thermal: k3_j72xx_bandgap: Add the bandgap driver support Keerthy
2022-05-04 8:00 ` Dan Carpenter
2022-05-09 5:20 ` Joe Perches
2022-05-09 3:10 ` J, KEERTHY
2022-05-10 15:25 ` Daniel Lezcano
2022-05-10 17:17 ` J, KEERTHY
2022-05-10 17:38 ` Daniel Lezcano
2022-05-11 4:57 ` Vignesh Raghavendra
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