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[2/4] arm64: dts: ti: j721e: Add VTM node

Message ID 20211004112550.27546-3-j-keerthy@ti.com (mailing list archive)
State New, archived
Delegated to: Daniel Lezcano
Headers show
Series thermal: k3_j72xx_bandgap: Add the bandgap driver support | expand

Commit Message

J, KEERTHY Oct. 4, 2021, 11:25 a.m. UTC 
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  | 73 +++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j721e.dtsi          |  4 +
 3 files changed, 86 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi
diff mbox series

Patch

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 d2dceda72fe9..fafc07848f86 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -390,4 +390,13 @@ 
 			ti,loczrama = <1>;
 		};
 	};
+
+	wkup_vtm0: wkup_vtm0@42040000 {
+		compatible = "ti,j721e-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-j721e-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi
new file mode 100644
index 000000000000..e922042f356f
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-j721e-thermal.dtsi
@@ -0,0 +1,73 @@ 
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/thermal/thermal.h>
+
+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 f0587fde147e..20e26a359aaf 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi
@@ -177,6 +177,10 @@ 
 				 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/
 		};
 	};
+
+	thermal_zones: thermal-zones {
+		#include "k3-j721e-thermal.dtsi"
+	};
 };
 
 /* Now include the peripherals for each bus segments */