[PATCH] dt-bindings: power: Convert mediatek,mt2701-scpsys to DT schema
COOLING14d
From: "Rob Herring (Arm)" <robh@kernel.org>
Date: 2026-09-25 15:59:56
Also in:
linux-devicetree, linux-mediatek, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Convert the mediatek,mt2701-scpsys binding to DT schema. The mt6735 and mt6765 don't exist anywhere. The mt8183 is covered by mediatek,mt8195-scpsys.yaml schema. With those dropped, the clock-names are trimmed to drop mm-*, isp-*, cam-*, and venc_lt. The venc_lt and mfg_2d supplies are dropped as well. Assisted-by: LLM Signed-off-by: Rob Herring (Arm) <robh@kernel.org> --- .../power/mediatek,mt2701-scpsys.yaml | 111 ++++++++++++++++++ .../bindings/soc/mediatek/scpsys.txt | 79 ------------- 2 files changed, 111 insertions(+), 79 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/mediatek,mt2701-scpsys.yaml delete mode 100644 Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
diff --git a/Documentation/devicetree/bindings/power/mediatek,mt2701-scpsys.yaml b/Documentation/devicetree/bindings/power/mediatek,mt2701-scpsys.yaml
new file mode 100644
index 000000000000..d991b8a008eb
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/mediatek,mt2701-scpsys.yaml@@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/mediatek,mt2701-scpsys.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek SCPSYS + +maintainers: + - Matthias Brugger <matthias.bgg@gmail.com> + - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> + +description: > + The System Control Processor System (SCPSYS) has several power management + related tasks in the system. The tasks include thermal measurement, dynamic + voltage frequency scaling (DVFS), interrupt filter and lowlevel sleep control. + The System Power Manager (SPM) inside the SCPSYS is for the MTCMOS power + domain control. + + It provides the power domains defined in: + - include/dt-bindings/power/mt2701-power.h + - include/dt-bindings/power/mt2712-power.h + - include/dt-bindings/power/mt6797-power.h + - include/dt-bindings/power/mt7622-power.h + - include/dt-bindings/power/mt7623a-power.h + +properties: + compatible: + oneOf: + - enum: + - mediatek,mt7623a-scpsys + - mediatek,mt6797-scpsys + - items: + - enum: + - mediatek,mt2701-scpsys + - mediatek,mt2712-scpsys + - mediatek,mt7622-scpsys + - const: syscon + - items: + - const: mediatek,mt7623-scpsys + - const: mediatek,mt2701-scpsys + - const: syscon + - items: + - const: mediatek,mt7629-scpsys + - const: mediatek,mt7622-scpsys + + '#power-domain-cells': + description: Always 1 + const: 1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 4 + + clocks: + minItems: 1 + maxItems: 20 + + clock-names: + minItems: 1 + maxItems: 6 + items: + enum: + - mm + - mfg + - ethif + - venc + - jpgdec + - audio + - vdec + - hif_sel + + vdec-supply: true + venc-supply: true + isp-supply: true + mm-supply: true + audio-supply: true + usb-supply: true + mfg_async-supply: true + mfg-supply: true + + infracfg: + description: Infrastructure configuration controller phandle + $ref: /schemas/types.yaml#/definitions/phandle + +required: + - compatible + - '#power-domain-cells' + - reg + - infracfg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/mt2701-clk.h> + + power-controller@10006000 { + #power-domain-cells = <1>; + compatible = "mediatek,mt2701-scpsys", "syscon"; + reg = <0x10006000 0x1000>; + infracfg = <&infracfg>; + clocks = <&topckgen CLK_TOP_MM_SEL>, + <&topckgen CLK_TOP_MFG_SEL>, + <&topckgen CLK_TOP_ETHIF_SEL>; + clock-names = "mm", "mfg", "ethif"; + };
diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
deleted file mode 100644
index 3530a6668b48..000000000000
--- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
+++ /dev/null@@ -1,79 +0,0 @@ -MediaTek SCPSYS -=============== - -The System Control Processor System (SCPSYS) has several power management -related tasks in the system. The tasks include thermal measurement, dynamic -voltage frequency scaling (DVFS), interrupt filter and lowlevel sleep control. -The System Power Manager (SPM) inside the SCPSYS is for the MTCMOS power -domain control. - -The driver implements the Generic PM domain bindings described in -power/power-domain.yaml. It provides the power domains defined in -- include/dt-bindings/power/mt8173-power.h -- include/dt-bindings/power/mt6797-power.h -- include/dt-bindings/power/mt6765-power.h -- include/dt-bindings/power/mt2701-power.h -- include/dt-bindings/power/mt2712-power.h -- include/dt-bindings/power/mt7622-power.h - -Required properties: -- compatible: Should be one of: - - "mediatek,mt2701-scpsys" - - "mediatek,mt2712-scpsys" - - "mediatek,mt6735-scpsys" - - "mediatek,mt6765-scpsys" - - "mediatek,mt6797-scpsys" - - "mediatek,mt7622-scpsys" - - "mediatek,mt7623-scpsys", "mediatek,mt2701-scpsys": For MT7623 SoC - - "mediatek,mt7623a-scpsys": For MT7623A SoC - - "mediatek,mt7629-scpsys", "mediatek,mt7622-scpsys": For MT7629 SoC - - "mediatek,mt8173-scpsys" -- #power-domain-cells: Must be 1 -- reg: Address range of the SCPSYS unit -- infracfg: must contain a phandle to the infracfg controller -- clock, clock-names: clocks according to the common clock binding. - These are clocks which hardware needs to be - enabled before enabling certain power domains. - Required clocks for MT2701 or MT7623: "mm", "mfg", "ethif" - Required clocks for MT2712: "mm", "mfg", "venc", "jpgdec", "audio", "vdec" - Required clocks for MT6765: MUX: "mm", "mfg" - CG: "mm-0", "mm-1", "mm-2", "mm-3", "isp-0", - "isp-1", "cam-0", "cam-1", "cam-2", - "cam-3","cam-4" - Required clocks for MT6797: "mm", "mfg", "vdec" - Required clocks for MT7622 or MT7629: "hif_sel" - Required clocks for MT7623A: "ethif" - Required clocks for MT8173: "mm", "mfg", "venc", "venc_lt" - -Optional properties: -- vdec-supply: Power supply for the vdec power domain -- venc-supply: Power supply for the venc power domain -- isp-supply: Power supply for the isp power domain -- mm-supply: Power supply for the mm power domain -- venc_lt-supply: Power supply for the venc_lt power domain -- audio-supply: Power supply for the audio power domain -- usb-supply: Power supply for the usb power domain -- mfg_async-supply: Power supply for the mfg_async power domain -- mfg_2d-supply: Power supply for the mfg_2d power domain -- mfg-supply: Power supply for the mfg power domain - -Example: - - scpsys: scpsys@10006000 { - #power-domain-cells = <1>; - compatible = "mediatek,mt8173-scpsys"; - reg = <0 0x10006000 0 0x1000>; - infracfg = <&infracfg>; - clocks = <&clk26m>, - <&topckgen CLK_TOP_MM_SEL>; - <&topckgen CLK_TOP_VENC_SEL>, - <&topckgen CLK_TOP_VENC_LT_SEL>; - clock-names = "mfg", "mm", "venc", "venc_lt"; - }; - -Example consumer: - - afe: mt8173-afe-pcm@11220000 { - compatible = "mediatek,mt8173-afe-pcm"; - power-domains = <&scpsys MT8173_POWER_DOMAIN_AUDIO>; - };
--
2.53.0