On Tue, Apr 30, 2024 at 09:47:16AM GMT, Krzysztof Kozlowski wrote: > On 29/04/2024 14:03, Inochi Amaoto wrote: > > Due to the design, Sophgo SG2042 use an external MCU to provide > > hardware information, thermal information and reset control. > > > > Add bindings for this monitor device. > > > > Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx> > > --- > > .../hwmon/sophgo,sg2042-hwmon-mcu.yaml | 40 +++++++++++++++++++ > > 1 file changed, 40 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml > > > > diff --git a/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml b/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml > > new file mode 100644 > > index 000000000000..64a8403aaab8 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml > > @@ -0,0 +1,40 @@ > > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/hwmon/sophgo,sg2042-hwmon-mcu.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Sophgo SG2042 onboard MCU support > > + > > +maintainers: > > + - Inochi Amaoto <inochiama@xxxxxxxxxxx> > > + > > +properties: > > + compatible: > > + const: sophgo,sg2042-hwmon-mcu > > + > > + reg: > > + maxItems: 1 > > + > > + "#thermal-sensor-cells": > > + const: 1 > > This looks like thermal sensor, so you miss ref to thermal-sensor.yaml > in top-level. Just like other sensors. > Thanks. > > + > > +required: > > + - compatible > > + - reg > > + - "#thermal-sensor-cells" > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + i2c { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + syscon@17 { > > Are you sure this is syscon? My fault, I forgot to change the node type after moving. I will replace this type with suitable one. > Title says mcu, compatible says hwmon... SG2042 use an external MCU to provide hwmon info (on the motherboard, not in the SoC). This is why I say this is MCU, and compatible says hwmon. > > > Best regards, > Krzysztof >