From: Keerthy <j-keerthy@ti.com>
To: <robh+dt@kernel.org>, <daniel.lezcano@linaro.org>,
<amitk@kernel.org>, <rui.zhang@intel.com>, <kristo@kernel.org>
Cc: <j-keerthy@ti.com>, <linux-pm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH 3/4] arm64: dts: ti: j7200: Add VTM node
Date: Mon, 4 Oct 2021 16:55:49 +0530 [thread overview]
Message-ID: <20211004112550.27546-4-j-keerthy@ti.com> (raw)
In-Reply-To: <20211004112550.27546-1-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 b7005b803149..649d1d60f5c7 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
@@ -165,6 +165,10 @@
<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
next prev parent reply other threads:[~2021-10-04 12:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-04 11:25 [PATCH 0/4] thermal: k3_j72xx_bandgap: Add the bandgap driver support Keerthy
2021-10-04 11:25 ` [PATCH 1/4] dt-bindings: thermal: k3-j72xx: Add VTM bindings documentation Keerthy
2021-10-05 12:26 ` Rob Herring
2021-10-05 13:05 ` Rob Herring
2021-10-06 9:42 ` Daniel Lezcano
2021-10-06 13:19 ` J, KEERTHY
2021-10-04 11:25 ` [PATCH 2/4] arm64: dts: ti: j721e: Add VTM node Keerthy
2021-10-04 11:25 ` Keerthy [this message]
2021-10-04 11:25 ` [PATCH 4/4] thermal: k3_j72xx_bandgap: Add the bandgap driver support Keerthy
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