Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> 于2023年4月17日周一 01:38写道: > > On 16/04/2023 19:32, David Yang wrote: > > Add DT bindings documentation for simple-clock-controller, mutex > > controller for clocks. > > > > Signed-off-by: David Yang <mmyangfl@xxxxxxxxx> > > --- > > .../clock/simple-clock-controller.yaml | 50 +++++++++++++++++++ > > Where is the changelog? > Cover now send with v3. > > 1 file changed, 50 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/clock/simple-clock-controller.yaml > > > > diff --git a/Documentation/devicetree/bindings/clock/simple-clock-controller.yaml b/Documentation/devicetree/bindings/clock/simple-clock-controller.yaml > > new file mode 100644 > > index 000000000000..17835aeddb1d > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/clock/simple-clock-controller.yaml > > @@ -0,0 +1,50 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/clock/simple-clock-controller.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Simple clock controller > > + > > +maintainers: > > + - David Yang <mmyangfl@xxxxxxxxx> > > + > > +description: | > > + Driver (lock provider) for real clocks. > > Drop driver references. Typo: clock, not lock. > > What is a real clock? What is an unreal clock? > Rewrite description in v3. The controller is kinda unreal since it does not require any operation to "enable" the controller, but such description is avoided in v3. > > + > > + Usually one register controls more than one clocks. This controller avoids > > + write conflicts by imposing a write lock, so that two operations on the same > > + register will not happen at the same time. > > Interesting. How the clock controller imposes write locks? Aren't you > now mixing drivers and hardware? Avoided driver details in device description in v3. > > > > + > > +properties: > > + compatible: > > + items: > > + - oneOf: > > + - const: simple-clock-controller > > + - const: simple-clock-reset-controller > > Why two? It may also handle reset requests. But removed in v3 for further consideration. > > > + - const: syscon > > + - const: simple-mfd > > Why do you need syscon and simple-mfd? Kinda typo. Removed in v3. > > > + > > + reg: > > + maxItems: 1 > > + > > + '#reset-cells': > > + const: 2 > > + > > +patternProperties: > > + "clock@.*": > > Use consistent quotes. Fixed in v3. > > Anyway, I don't understand what is happening here and why such changes. > Nothing is explained... > > > Best regards, > Krzysztof >