Add new document for APU power controller.
Signed-off-by: Flora Fu flora.fu@mediatek.com --- .../soc/mediatek/mediatek,apu-pwr.yaml | 88 +++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pwr.yaml
diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pwr.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pwr.yaml new file mode 100644 index 000000000000..0fd5af5138e3 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,apu-pwr.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# # Copyright 2021 MediaTek Inc. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/mediatek/mediatek,apu-pwr.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Mediatek APU Power + +description: | + Mediatek AI Process Unit (APU) power driver support for subsys clock and + regulator controller. It will has device link to iommu-apu and apusys-rv + tinysys driver to ensure the power state is ready for hardware + in sub modules. + +maintainers: + - Flora Fu flora.fu@mediatek.com + +properties: + compatible: + oneOf: + - const: mediatek,apusys-power + - items: + - const: mediatek,apusys-power + - const: mediatek,mt8192-apu-power + + reg: + minItems: 1 + + reg-names: + minItems: 1 + + power-domains: + maxItems: 1 + + vvpu-supply: + description: apu vpu regulator supply. + + vmdla-supply: + description: apu mdla regulator supply. + + clocks: + description: Contains module clock source and clock names + + clock-names: + description: Names of the clocks list in clocks property + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - vvpu-supply + - vmdla-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/mt8192-clk.h> + apusys_power: apusys_power@190f1000 { + compatible = "mediatek,apusys-power", + "mediatek,mt8192-apu-power"; + reg = <0x190f1000 0x1000>; + reg-names = "apu_pcu"; + power-domains = <&apuspm 0>; + vvpu-supply = <&mt6359_vproc1_buck_reg>; + vmdla-supply = <&mt6359_vproc2_buck_reg>; + clocks = <&topckgen CLK_TOP_DSP_SEL>, + <&topckgen CLK_TOP_DSP1_SEL>, + <&topckgen CLK_TOP_DSP1_NPUPLL_SEL>, + <&topckgen CLK_TOP_DSP2_SEL>, + <&topckgen CLK_TOP_DSP2_NPUPLL_SEL>, + <&topckgen CLK_TOP_DSP5_SEL>, + <&topckgen CLK_TOP_DSP5_APUPLL_SEL>, + <&topckgen CLK_TOP_IPU_IF_SEL>, + <&clk26m>; + clock-names = "clk_top_dsp_sel", + "clk_top_dsp1_sel", + "clk_top_dsp1_npupll_sel", + "clk_top_dsp2_sel", + "clk_top_dsp2_npupll_sel", + "clk_top_dsp5_sel", + "clk_top_dsp5_apupll_sel", + "clk_top_ipu_if_sel", + "clk_top_clk26m"; + };