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 > +--- > +$id: http://devicetree.org/schemas/interconnect/mediatek,cci.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +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>
