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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/usb/generic-ehci.yaml
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: USB EHCI Controller Device Tree Bindings
+
+maintainers:
+ - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+allOf:
+ - $ref: "usb-hcd.yaml"
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ const: ibm,usb-ehci-440epx
+ then:
+ properties:
+ reg:
+ maxItems: 1
+
+properties:
+ compatible:
+ contains:
+ const: generic-ehci
+
+ reg:
+ minItems: 1
+ maxItems: 2
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ minItems: 1
+ maxItems: 4
+
+ clocks:
+ minItems: 1
+ maxItems: 4
+ description: |
+ In case the Renesas R-Car Gen3 SoCs:
+ - if a host only channel: first clock should be host.
+ - if a USB DRD channel: first clock should be host and second
+ one should be peripheral
+
+ power-domains:
+ maxItems: 1
+
+ big-endian:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Set this flag for HCDs with big endian descriptors and big
+ endian registers.
+
+ big-endian-desc:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Set this flag for HCDs with big endian descriptors.
+
+ big-endian-regs:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Set this flag for HCDs with big endian registers.
+
+ has-transaction-translator:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Set this flag if EHCI has a Transaction Translator built into
+ the root hub.
+
+ needs-reset-on-resume:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Set this flag to force EHCI reset after resume.
+
+ companion:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Phandle of a companion.
+
+ phys:
+ description: PHY specifier for the USB PHY
+
+ phy-names:
+ const: usb
+
+ iommus:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ usb@e0000300 {
+ compatible = "ibm,usb-ehci-440epx", "generic-ehci";
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x1a 4>;
+ reg = <0xe0000300 90>, <0xe0000390 70>;
+ big-endian;
+ };
+
+ - |
+ ehci0: usb@1c14000 {
+ compatible = "allwinner,sun4i-a10-ehci", "generic-ehci";
+ reg = <0x01c14000 0x100>;
+ interrupts = <39>;
+ clocks = <&ahb_gates 1>;
+ phys = <&usbphy 1>;
+ phy-names = "usb";
+ };
+
+...