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
