[PATCH V5 1/4] dt-bindings: Add Broadcom AVS RO thermal

Rob Herring robh+dt at kernel.org
Thu Jan 16 09:33:27 PST 2020


On Mon, Jan 13, 2020 at 12:56 PM Stefan Wahren <stefan.wahren at i2se.com> 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 at i2se.com>
> Reviewed-by: Rob Herring <robh at kernel.org>
> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
> ---
>  .../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

> 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 at gmx.net>
> +
> +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 at 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



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