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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/clock/mediatek,mt8186-fhctl.yaml | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/clock/mediatek,mt8186-fhctl.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/clock/mediatek,mt8186-fhctl.yaml | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt8186-fhctl.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt8186-fhctl.yaml new file mode 100644 index 0000000000..d00327d12e --- /dev/null +++ b/Documentation/devicetree/bindings/clock/mediatek,mt8186-fhctl.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/mediatek,mt8186-fhctl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek frequency hopping and spread spectrum clocking control + +maintainers: + - Edward-JW Yang <edward-jw.yang@mediatek.com> + +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: + enum: + - mediatek,mt6795-fhctl + - mediatek,mt8173-fhctl + - mediatek,mt8186-fhctl + - mediatek,mt8192-fhctl + - mediatek,mt8195-fhctl + + reg: + maxItems: 1 + + clocks: + description: Phandles of the PLL with FHCTL hardware capability. + minItems: 1 + maxItems: 30 + + mediatek,hopping-ssc-percent: + description: The percentage of spread spectrum clocking for one PLL. + minItems: 1 + maxItems: 30 + items: + default: 0 + minimum: 0 + maximum: 8 + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/mt8186-clk.h> + fhctl: fhctl@1000ce00 { + compatible = "mediatek,mt8186-fhctl"; + reg = <0x1000ce00 0x200>; + clocks = <&apmixedsys CLK_APMIXED_MSDCPLL>; + mediatek,hopping-ssc-percent = <3>; + }; |