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SubjectRe: [PATCH v3 1/4] dt-bindings: thermal: k3: Add VTM bindings documentation
On Wed, Feb 19, 2020 at 10:13 PM Keerthy <j-keerthy@ti.com> wrote:
>
>
>
> On 19/02/20 8:22 pm, Rob Herring wrote:
> > On Wed, Feb 19, 2020 at 01:13:11PM +0530, Keerthy wrote:
> >> Add VTM bindings documentation. In the Voltage Thermal
> >> Management Module(VTM), K3 AM654 supplies a voltage
> >> reference and a temperature sensor feature that are gathered in the band
> >> gap voltage and temperature sensor (VBGAPTS) module. The band
> >> gap provides current and voltage reference for its internal
> >> circuits and other analog IP blocks. The analog-to-digital
> >> converter (ADC) produces an output value that is proportional
> >> to the silicon temperature.
> >>
> >> Signed-off-by: Keerthy <j-keerthy@ti.com>
> >> ---
> >>
> >> Changes in v3:
> >>
> >> * Fixed errors seen with:
> >> dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
> >>
> >> .../bindings/thermal/ti,am654-thermal.yaml | 57 +++++++++++++++++++
> >> 1 file changed, 57 insertions(+)
> >> create mode 100644 Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
> >>
> >> diff --git a/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml b/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
> >> new file mode 100644
> >> index 000000000000..b6dc95c3acab
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml
> >> @@ -0,0 +1,57 @@
> >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/thermal/ti,am654-thermal.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Texas Instruments AM654 VTM (DTS) binding
> >> +
> >> +maintainers:
> >> + - Keerthy <j-keerthy@ti.com>
> >> +
> >> +properties:
> >> + compatible:
> >> + const: ti,am654-vtm
> >> +
> >> + reg:
> >> + maxItems: 1
> >> +
> >> + power-domains:
> >> + maxItems: 1
> >> + description: phandle to the associated power domain
> >
> > No need to redefine a standard property description.
>
> Okay.
>
> >
> >> +
> >> + "#thermal-sensor-cells":
> >> + const: 1
> >> +
> >> +required:
> >> + - "#thermal-sensor-cells"
> >> + - compatible
> >> + - reg
> >> + - power-domains
> >> +
> >> +additionalProperties: false
> >> +
> >> +examples:
> >> + - |
> >> + #include <dt-bindings/soc/ti,sci_pm_domain.h>
> >> + vtm: wkup_vtm0@42050000 {
> >
> > thermal-sensor@...
> >
> > Use generic node names and don't use '_' in node names
>
> vtm stands for voltage thermal manager and comprises of multiple
> sensors. This is similar to omap bandgap. Should i replace vtm with more
> generic name like thermal? as used in:

'vtm' is a label and source construct only (until you do overlays), so
I don't care what you put really.

Rob

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