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Diffstat (limited to 'Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml b/Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml new file mode 100644 index 000000000..c0acf9497 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/socionext,uniphier-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier regulator controller + +description: | + This regulator controls VBUS and belongs to USB3 glue layer. Before using + the regulator, it is necessary to control the clocks and resets to enable + this layer. These clocks and resets should be described in each property. + +maintainers: + - Kunihiko Hayashi <hayashi.kunihiko@socionext.com> + +# USB3 Controller + +properties: + compatible: + enum: + - socionext,uniphier-pro4-usb3-regulator + - socionext,uniphier-pro5-usb3-regulator + - socionext,uniphier-pxs2-usb3-regulator + - socionext,uniphier-ld20-usb3-regulator + - socionext,uniphier-pxs3-usb3-regulator + - socionext,uniphier-nx1-usb3-regulator + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: true + + resets: + minItems: 1 + maxItems: 2 + + reset-names: true + +allOf: + - $ref: "regulator.yaml#" + - if: + properties: + compatible: + contains: + enum: + - socionext,uniphier-pro4-usb3-regulator + - socionext,uniphier-pro5-usb3-regulator + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: gio + - const: link + resets: + minItems: 2 + maxItems: 2 + reset-names: + items: + - const: gio + - const: link + else: + properties: + clocks: + maxItems: 1 + clock-names: + const: link + resets: + maxItems: 1 + reset-names: + const: link + +unevaluatedProperties: false + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + +examples: + - | + usb-glue@65b00000 { + compatible = "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x65b00000 0x400>; + + usb_vbus0: regulators@100 { + compatible = "socionext,uniphier-ld20-usb3-regulator"; + reg = <0x100 0x10>; + clock-names = "link"; + clocks = <&sys_clk 14>; + reset-names = "link"; + resets = <&sys_rst 14>; + }; + }; |