diff mbox series

[v6,3/4] arm64: dts: ti: j7200: Add VTM node

Message ID 20220427064635.24898-4-j-keerthy@ti.com
State Accepted
Commit 4aa6586a9720849527379c415d0977f0d5bcfcac
Headers show
Series thermal: k3_j72xx_bandgap: Add the bandgap driver support | expand

Commit Message

Keerthy April 27, 2022, 6:46 a.m. UTC 
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  | 47 +++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j7200.dtsi          |  2 +
 3 files changed, 58 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
diff mbox series

Patch

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..a53afc5c5dce 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: temperature-sensor@42040000 {
+		compatible = "ti,j7200-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-j7200-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
new file mode 100644
index 000000000000..e7e3a643a6f0
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
@@ -0,0 +1,47 @@ 
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+thermal_zones: thermal-zones {
+	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..2abc872ecec0 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
@@ -168,6 +168,8 @@ 
 				 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3 */
 		};
 	};
+
+	#include "k3-j7200-thermal.dtsi"
 };
 
 /* Now include the peripherals for each bus segments */