On 02/09/2022 08:39, Johnson Wang wrote: > On Wed, 2022-08-31 at 16:19 +0300, Krzysztof Kozlowski wrote: >> On 31/08/2022 15:48, Johnson Wang wrote: >>> Add the new binding documentation for MediaTek frequency hopping >>> and spread spectrum clocking control. >>> >>> Co-developed-by: Edward-JW Yang <edward-jw.yang@xxxxxxxxxxxx> >>> Signed-off-by: Edward-JW Yang <edward-jw.yang@xxxxxxxxxxxx> >>> Signed-off-by: Johnson Wang <johnson.wang@xxxxxxxxxxxx> >>> --- >>> .../bindings/arm/mediatek/mediatek,fhctl.yaml | 49 >>> +++++++++++++++++++ >>> 1 file changed, 49 insertions(+) >>> create mode 100644 >>> Documentation/devicetree/bindings/arm/mediatek/mediatek,fhctl.yaml >>> >>> diff --git >>> a/Documentation/devicetree/bindings/arm/mediatek/mediatek,fhctl.yam >>> l >>> b/Documentation/devicetree/bindings/arm/mediatek/mediatek,fhctl.yam >>> l >>> new file mode 100644 >>> index 000000000000..c5d76410538b >>> --- /dev/null >>> +++ >>> b/Documentation/devicetree/bindings/arm/mediatek/mediatek,fhctl.yam >>> l >>> @@ -0,0 +1,49 @@ >>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: >>> https://urldefense.com/v3/__http://devicetree.org/schemas/arm/mediatek/mediatek,fhctl.yaml*__;Iw!!CTRNKA9wMg0ARbw!ysl-bMp7yP9Ym70o6EVB8A36MBxcXGap8doEKR_SbaAQSy8-_RU5jvrWTjzETut_6eXNGut4j-3dY0q7xJdpQbmaOw$ >>> >>> +$schema: >>> https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!ysl-bMp7yP9Ym70o6EVB8A36MBxcXGap8doEKR_SbaAQSy8-_RU5jvrWTjzETut_6eXNGut4j-3dY0q7xJezt7_RBw$ >>> >>> + >>> +title: MediaTek frequency hopping and spread spectrum clocking >>> control >>> + >>> +maintainers: >>> + - Edward-JW Yang <edward-jw.yang@xxxxxxxxxxxx> >>> + >>> +description: | >>> + Frequency hopping control (FHCTL) is a piece of hardware that >>> control >>> + some PLLs to adopt "hopping" mechanism to adjust their >>> frequency. >>> + Spread spectrum clocking (SSC) is another function provided by >>> this hardware. >>> + >>> +properties: >>> + compatible: >>> + const: mediatek,fhctl >> >> You need SoC/device specific compatibles. Preferably only SoC >> specific, >> without generic fallback, unless you can guarantee (while >> representing >> MediaTek), that generic fallback will cover all of their SoCs? >> > > Hi Krzysztof, > > At this moment, we plan to support FHCTL feature for MT8186 only. > > If you prefer SoC-specific compatble, we will improve that in the next > version. Then make it only for mt8186. Best regards, Krzysztof
