168 lines
4.0 KiB
YAML
168 lines
4.0 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/socionext,uniphier-usb3hs-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Socionext UniPhier USB3 High-Speed (HS) PHY
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description: |
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This describes the devicetree bindings for PHY interfaces built into
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USB3 controller implemented on Socionext UniPhier SoCs.
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Although the controller includes High-Speed PHY and Super-Speed PHY,
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this describes about High-Speed PHY.
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maintainers:
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- Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
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properties:
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compatible:
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enum:
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- socionext,uniphier-pro5-usb3-hsphy
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- socionext,uniphier-pxs2-usb3-hsphy
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- socionext,uniphier-ld20-usb3-hsphy
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- socionext,uniphier-pxs3-usb3-hsphy
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- socionext,uniphier-nx1-usb3-hsphy
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reg:
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maxItems: 1
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"#phy-cells":
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const: 0
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clocks:
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minItems: 2
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maxItems: 3
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clock-names: true
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resets:
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maxItems: 2
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reset-names: true
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vbus-supply:
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description: A phandle to the regulator for USB VBUS
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nvmem-cells:
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maxItems: 3
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description:
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Phandles to nvmem cell that contains the trimming data.
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Available only for HS-PHY implemented on LD20 and PXs3, and
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if unspecified, default value is used.
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nvmem-cell-names:
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items:
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- const: rterm
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- const: sel_t
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- const: hs_i
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description:
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Should be the following names, which correspond to each nvmem-cells.
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All of the 3 parameters associated with the above names are
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required for each port, if any one is omitted, the trimming data
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of the port will not be set at all.
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: socionext,uniphier-pro5-usb3-hsphy
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: gio
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- const: link
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resets:
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minItems: 2
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maxItems: 2
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reset-names:
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items:
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- const: gio
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- const: link
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- if:
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properties:
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compatible:
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contains:
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enum:
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- socionext,uniphier-pxs2-usb3-hsphy
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- socionext,uniphier-ld20-usb3-hsphy
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: link
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- const: phy
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resets:
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minItems: 2
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maxItems: 2
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reset-names:
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items:
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- const: link
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- const: phy
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- if:
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properties:
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compatible:
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contains:
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enum:
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- socionext,uniphier-pxs3-usb3-hsphy
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- socionext,uniphier-nx1-usb3-hsphy
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 3
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clock-names:
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minItems: 2
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items:
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- const: link
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- const: phy
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- const: phy-ext
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resets:
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minItems: 2
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maxItems: 2
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reset-names:
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items:
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- const: link
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- const: phy
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required:
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- compatible
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- reg
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- "#phy-cells"
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- clocks
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- clock-names
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- resets
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- reset-names
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additionalProperties: false
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examples:
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- |
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usb-glue@65b00000 {
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compatible = "socionext,uniphier-ld20-dwc3-glue", "simple-mfd";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0 0x65b00000 0x400>;
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usb_hsphy0: hs-phy@200 {
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compatible = "socionext,uniphier-ld20-usb3-hsphy";
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reg = <0x200 0x10>;
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#phy-cells = <0>;
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clock-names = "link", "phy";
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clocks = <&sys_clk 14>, <&sys_clk 16>;
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reset-names = "link", "phy";
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resets = <&sys_rst 14>, <&sys_rst 16>;
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vbus-supply = <&usb_vbus0>;
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nvmem-cell-names = "rterm", "sel_t", "hs_i";
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nvmem-cells = <&usb_rterm0>, <&usb_sel_t0>, <&usb_hs_i0>;
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};
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};
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