| Message ID | 1578072236-31820-2-git-send-email-wahrenst@gmx.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ARM: Enable thermal support for Raspberry Pi 4 | expand |
On Fri, Jan 03, 2020 at 06:23:53PM +0100, Stefan Wahren 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 <wahrenst@gmx.net> > --- > .../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 > > 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..7dce05e > --- /dev/null > +++ b/Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: GPL-2.0+ Dual license new bindings please: (GPL-2.0-only OR BSD-2-Clause) With that: Reviewed-by: Rob Herring <robh@kernel.org>
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..7dce05e --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/brcm,avs-ro-thermal.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0+ +%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@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@7d5d2000 { + compatible = "brcm,bcm2711-avs-monitor", + "syscon", "simple-mfd"; + reg = <0x7d5d2000 0xf00>; + + thermal: thermal { + compatible = "brcm,bcm2711-thermal"; + #thermal-sensor-cells = <0>; + }; + }; +...
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 <wahrenst@gmx.net> --- .../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 -- 2.7.4