Hi Rob, Am 16.01.20 um 18:33 schrieb Rob Herring: > On Mon, Jan 13, 2020 at 12:56 PM Stefan Wahren <stefan.wahren@xxxxxxxx> wrote: >> Since the BCM2711 doesn't have a AVS TMON block, the thermal information >> must be retrieved from the AVS ring oscillator block. This block is part >> of the AVS monitor which contains a bunch of raw sensors. >> >> Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> >> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> >> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx> >> --- >> .../bindings/thermal/brcm,avs-ro-thermal.yaml | 45 ++++++++++++++++++++++ >> 1 file changed, 45 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.yaml > The example fails 'make dt_binding_check': > > /builds/robherring/linux-dt-bindings/Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.example.dt.yaml: > thermal: 'reg' is a required property can you please explain what is the reason for this? The example below has a reg property. I'm confused. Best regards Stefan > >> diff --git a/Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.yaml b/Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.yaml >> new file mode 100644 >> index 0000000..98e7b57 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.yaml >> @@ -0,0 +1,45 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/thermal/brcm,avs-ro-thermal.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Broadcom AVS ring oscillator thermal >> + >> +maintainers: >> + - Stefan Wahren <wahrenst@xxxxxxx> >> + >> +description: |+ >> + The thermal node should be the child of a syscon node with the >> + required property: >> + >> + - compatible: Should be one of the following: >> + "brcm,bcm2711-avs-monitor", "syscon", "simple-mfd" >> + >> + Refer to the the bindings described in >> + Documentation/devicetree/bindings/mfd/syscon.txt >> + >> +properties: >> + compatible: >> + const: brcm,bcm2711-thermal >> + >> + reg: >> + maxItems: 1 >> + >> +required: >> + - compatible >> + - reg >> + >> +examples: >> + - | >> + avs-monitor@7d5d2000 { >> + compatible = "brcm,bcm2711-avs-monitor", >> + "syscon", "simple-mfd"; >> + reg = <0x7d5d2000 0xf00>; >> + >> + thermal: thermal { >> + compatible = "brcm,bcm2711-thermal"; >> + #thermal-sensor-cells = <0>; > Also this is not documented. That's not caught because > 'additionalProperties: false' is also needed. > > Rob