diff options
| author | Bryan Brattlof <bb@ti.com> | 2023-05-24 23:19:59 -0500 |
|---|---|---|
| committer | Praneeth Bajjuri <praneeth@ti.com> | 2023-05-25 02:45:09 -0500 |
| commit | d9a6fa7fe6f3d7766599d805d90af260fd4ae017 (patch) | |
| tree | 246cc2061ba3068e1d2d455de23869d42a0c9148 | |
| parent | 94180ad1f6c6830ce6a6718f6a0d1fcc492e23f9 (diff) | |
arm64: dts: ti: k3-am62-wakeup: add VTM node
The am62x supports a single Voltage and Thermal Management (VTM) module
located in the wakeup domain with two associated temperature monitors
located in hot spots of the die.
Signed-off-by: Bryan Brattlof <bb@ti.com>
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi | 33 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 8 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am62.dtsi | 8 |
3 files changed, 47 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi new file mode 100644 index 000000000000..a358757e26f0 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62-thermal.dtsi @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <dt-bindings/thermal/thermal.h> + +thermal_zones: thermal-zones { + main0_thermal: main0-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + main0_crit: main0-crit { + temperature = <105000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; + + main1_thermal: main1-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&wkup_vtm0 1>; + + trips { + main1_crit: main1-crit { + temperature = <105000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index f8542e86f1a4..65f27ed0e460 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -85,4 +85,12 @@ ti,loczrama = <1>; }; }; + + wkup_vtm0: temperature-sensor@b00000 { + compatible = "ti,j7200-vtm"; + reg = <0x00 0xb00000 0x00 0x400>, + <0x00 0xb01000 0x00 0x400>; + power-domains = <&k3_pds 95 TI_SCI_PD_EXCLUSIVE>; + #thermal-sensor-cells = <1>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62.dtsi b/arch/arm64/boot/dts/ti/k3-am62.dtsi index cc67b2ad481f..1c882642ad16 100644 --- a/arch/arm64/boot/dts/ti/k3-am62.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi @@ -81,6 +81,7 @@ <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>, /* Wakeup Domain Range */ + <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */ <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>, <0x00 0x78000000 0x00 0x78000000 0x00 0x00008000>, /* DM R5 ATCM*/ @@ -93,16 +94,19 @@ ranges = <0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>; /* Peripheral window */ }; - cbass_wakeup: bus@2b000000 { + cbass_wakeup: bus@b00000 { compatible = "simple-bus"; #address-cells = <2>; #size-cells = <2>; - ranges = <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */ + ranges = <0x00 0x00b00000 0x00 0x00b00000 0x00 0x00002400>, /* VTM */ + <0x00 0x2b000000 0x00 0x2b000000 0x00 0x00300400>, /* Peripheral Window */ <0x00 0x43000000 0x00 0x43000000 0x00 0x00020000>, <0x00 0x78000000 0x00 0x78000000 0x00 0x00008000>, /* DM R5 ATCM*/ <0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>; /* DM R5 BTCM*/ }; }; + + #include "k3-am62-thermal.dtsi" }; /* Now include the peripherals for each bus segments */ |