4f95526e65
Document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller, which connects over PCIe and requires specific power supplies to start up. Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patch.msgid.link/20260324-topic-sm8650-ayaneo-pocket-s2-upd-bindings-v2-1-b86a1543b76b@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
63 lines
1.4 KiB
YAML
63 lines
1.4 KiB
YAML
# 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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$id: http://devicetree.org/schemas/usb/renesas,upd720201-pci.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: UPD720201/UPD720202 USB 3.0 xHCI Host Controller (PCIe)
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maintainers:
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- Neil Armstrong <neil.armstrong@linaro.org>
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description:
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UPD720201 USB 3.0 xHCI Host Controller via PCIe x1 Gen2 interface.
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The UPD720202 supports up to two downstream ports, while UPD720201
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supports up to four downstream USB 3.0 rev1.0 ports.
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properties:
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compatible:
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enum:
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- pci1912,0014 # UPD720201
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- pci1912,0015 # UPD720202
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reg:
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maxItems: 1
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avdd33-supply:
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description: +3.3 V power supply for analog circuit
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vdd10-supply:
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description: +1.05 V power supply
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vdd33-supply:
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description: +3.3 V power supply
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required:
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- compatible
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- reg
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- avdd33-supply
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- vdd10-supply
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- vdd33-supply
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allOf:
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- $ref: usb-xhci.yaml
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additionalProperties: true
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examples:
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- |
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pcie@0 {
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reg = <0x0 0x1000>;
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ranges = <0x02000000 0x0 0x100000 0x10000000 0x0 0x0>;
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#address-cells = <3>;
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#size-cells = <2>;
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device_type = "pci";
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usb-controller@0 {
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compatible = "pci1912,0014";
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reg = <0x0 0x0 0x0 0x0 0x0>;
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avdd33-supply = <&avdd33_reg>;
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vdd10-supply = <&vdd10_reg>;
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vdd33-supply = <&vdd33_reg>;
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};
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};
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