Re: [RESEND v4 1/2] dt-bindings: interconnect: Add MediaTek CCI dt-bindings

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On Fri, 2022-05-13 at 11:35 +0800, Chen-Yu Tsai wrote:
> On Fri, May 13, 2022 at 11:31 AM Johnson Wang <
> johnson.wang@xxxxxxxxxxxx> wrote:
> > 
> > Add devicetree binding of MediaTek CCI on MT8183 and MT8186.
> > 
> > Signed-off-by: Jia-Wei Chang <jia-wei.chang@xxxxxxxxxxxx>
> > Signed-off-by: Johnson Wang <johnson.wang@xxxxxxxxxxxx>
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> > Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> > ---
> >  .../bindings/interconnect/mediatek,cci.yaml   | 140
> > ++++++++++++++++++
> >  MAINTAINERS                                   |   1 +
> >  2 files changed, 141 insertions(+)
> >  create mode 100644
> > Documentation/devicetree/bindings/interconnect/mediatek,cci.yaml
> > 
> > diff --git
> > a/Documentation/devicetree/bindings/interconnect/mediatek,cci.yaml
> > b/Documentation/devicetree/bindings/interconnect/mediatek,cci.yaml
> > new file mode 100644
> > index 000000000000..034c3b38ca3d
> > --- /dev/null
> > +++
> > b/Documentation/devicetree/bindings/interconnect/mediatek,cci.yaml
> > @@ -0,0 +1,140 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: 
> > https://urldefense.com/v3/__http://devicetree.org/schemas/interconnect/mediatek,cci.yaml*__;Iw!!CTRNKA9wMg0ARbw!0vYE2yw5meNp-VKz6-Xp4C_qT8rz0tpzc0iPAGI__dVczbtBVpOcQfxdrQADjIdqtgDrrni0ZKWuBFP1QcwD0mHhOw$
> >  
> > +$schema: 
> > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!0vYE2yw5meNp-VKz6-Xp4C_qT8rz0tpzc0iPAGI__dVczbtBVpOcQfxdrQADjIdqtgDrrni0ZKWuBFP1QcxLQ8hn_A$
> >  
> > +
> > +title: MediaTek Cache Coherent Interconnect (CCI) frequency and
> > voltage scaling
> > +
> > +maintainers:
> > +  - Jia-Wei Chang <jia-wei.chang@xxxxxxxxxxxx>
> > +  - Johnson Wang <johnson.wang@xxxxxxxxxxxx>
> > +
> > +description: |
> > +  MediaTek Cache Coherent Interconnect (CCI) is a hardware engine
> > used by
> > +  MT8183 and MT8186 SoCs to scale the frequency and adjust the
> > voltage in
> > +  hardware. It can also optimize the voltage to reduce the power
> > consumption.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - mediatek,mt8183-cci
> > +      - mediatek,mt8186-cci
> > +
> > +  clocks:
> > +    items:
> > +      - description:
> > +          The multiplexer for clock input of the bus.
> > +      - description:
> > +          A parent of "cpu" clock which is used as an intermediate
> > clock source
> 
> Replace "cpu" with "bus"?
> 
> > +          when the original CPU is under transition and not stable
> > yet.
> 
> 
> And also, "when the original clock source (PLL) is under transition
> ..."
> 
> Otherwise,
> 
> Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>

Hi Chen-Yu,

I will modify them in the next version.

BRs,
Johnson Wang




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