[PATCH V8 3/8] dt-bindings: devfreq: add compatible for mt8183 cci devfreq
From: Andrew-sh.Cheng <hidden>
Date: 2021-03-23 11:37:05
Also in:
linux-mediatek
Subsystem:
device frequency (devfreq), open firmware and flattened device tree bindings, the rest · Maintainers:
MyungJoo Ham, Kyungmin Park, Chanwoo Choi, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: "Andrew-sh.Cheng" <redacted> This adds dt-binding documentation of cci devfreq for Mediatek MT8183 SoC platform. Signed-off-by: Andrew-sh.Cheng <redacted> --- .../devicetree/bindings/devfreq/mt8183-cci.yaml | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/devfreq/mt8183-cci.yaml
diff --git a/Documentation/devicetree/bindings/devfreq/mt8183-cci.yaml b/Documentation/devicetree/bindings/devfreq/mt8183-cci.yaml
new file mode 100644
index 000000000000..a7341fd94097
--- /dev/null
+++ b/Documentation/devicetree/bindings/devfreq/mt8183-cci.yaml@@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/devfreq/mt8183-cci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CCI_DEVFREQ driver for MT8183. + +maintainers: + - Andrew-sh.Cheng <andrew-sh.cheng@mediatek.com> + +description: | + This module is used to create CCI DEVFREQ. + The performance will depend on both CCI frequency and CPU frequency. + For MT8183, CCI co-buck with Little core. + Contain CCI opp table for voltage and frequency scaling. + +properties: + compatible: + const: "mediatek,mt8183-cci" + + clocks: + maxItems: 1 + + clock-names: + const: "cci" + + operating-points-v2: true + opp-table: true + + proc-supply: + description: + Phandle of the regulator that provides the supply voltage. + +required: + - compatible + - clocks + - clock-names + - proc-supply + +examples: + - | + #include <dt-bindings/clock/mt8183-clk.h> + cci: cci { + compatible = "mediatek,mt8183-cci"; + clocks = <&apmixedsys CLK_APMIXED_CCIPLL>; + clock-names = "cci"; + operating-points-v2 = <&cci_opp>; + proc-supply = <&mt6358_vproc12_reg>; + }; +
--
2.12.5
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