On Mon, Aug 18, 2025 at 06:28:48PM +0200, John Madieu wrote: > The Renesas RZ/G3E SoC includes a Thermal Sensor Unit (TSU) block designed > to measure the junction temperature. The device provides real-time > temperature measurements for thermal management, utilizing a single > dedicated channel (channel 1) for temperature sensing. > > Signed-off-by: John Madieu <john.madieu.xa@xxxxxxxxxxxxxx> > --- > > Changes: > > v1 -> v2: > * Fixes reg property specifier to get rid of yamlint warnings > * Fixes IRQ name to reflect TSU expectations > > v2 -> v3: > * Removees useless 'renesas,tsu-operating-mode' property > > v3 -> v4: > * Fixes commit message > * Fixes interrupt description > * Removes trip point definition > > v5: no changes > v6: no changes > v7: Adds documentation for 'renesas,tsu-trim' and removes Rb tag from Krzysztof > due to this change > > .../thermal/renesas,r9a09g047-tsu.yaml | 87 +++++++++++++++++++ > 1 file changed, 87 insertions(+) > create mode 100644 Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml > > diff --git a/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml b/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml > new file mode 100644 > index 000000000000..70d2af6fcd78 > --- /dev/null > +++ b/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml > @@ -0,0 +1,87 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/thermal/renesas,r9a09g047-tsu.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas RZ/G3E Temperature Sensor Unit (TSU) > + > +maintainers: > + - John Madieu <john.madieu.xa@xxxxxxxxxxxxxx> > + > +description: > + The Temperature Sensor Unit (TSU) is an integrated thermal sensor that > + monitors the chip temperature on the Renesas RZ/G3E SoC. The TSU provides > + real-time temperature measurements for thermal management. > + > +properties: > + compatible: > + const: renesas,r9a09g047-tsu > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + resets: > + maxItems: 1 > + > + power-domains: > + maxItems: 1 > + > + interrupts: > + items: > + - description: Conversion complete interrupt signal (pulse) > + - description: Comparison result interrupt signal (level) > + > + interrupt-names: > + items: > + - const: adi > + - const: adcmpi > + > + "#thermal-sensor-cells": > + const: 0 > + > + renesas,tsu-trim: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + - items: > + - description: phandle to system controller > + - description: offset of trim registers > + description: | Don't need '|' and wrap at 80 char. > + Phandle and offset to the system controller containing the TSU > + calibration trim values. The offset points to the first trim > + register (OTPTSU1TRMVAL0), with the second trim register > + (OTPTSU1TRMVAL1) located at offset + 4. > + > +required: > + - compatible > + - reg > + - clocks > + - resets > + - power-domains > + - interrupts > + - interrupt-names > + - "#thermal-sensor-cells" > + - renesas,tsu-trim > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/renesas,r9a09g047-cpg.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + tsu: thermal@14002000 { Drop unused labels. The prefered node name is 'thermal-sensor'. With those, Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
