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570542810f
As this binding describes USB hubs, it's natural for them to have downstream devices. Change "additionalProperties" to "unevaluatedProperties" to allow properties defined in usb-device.yaml (for DT cells properties) and add a pattern-based downstream device subnode rule to match those subnodes. These changes allow downstream devices get defined under the hub. Signed-off-by: Icenowy Zheng <uwu@icenowy.me> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240917094008.283529-1-uwu@icenowy.me Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
114 lines
2.4 KiB
YAML
114 lines
2.4 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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$id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Genesys Logic USB hub controller
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maintainers:
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- Icenowy Zheng <uwu@icenowy.me>
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properties:
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compatible:
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enum:
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- usb5e3,608
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- usb5e3,610
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- usb5e3,620
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- usb5e3,626
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reg: true
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reset-gpios:
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description: GPIO controlling the RESET# pin.
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vdd-supply:
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description:
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The regulator that provides 3.3V or 5.0V core power to the hub.
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peer-hub:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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For onboard hub controllers that support USB 3.x and USB 2.0 hubs
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with shared resets and power supplies, this property is used to identify
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the hubs with which these are shared.
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required:
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- compatible
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- reg
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allOf:
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- $ref: usb-device.yaml#
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- if:
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properties:
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compatible:
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contains:
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enum:
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- usb5e3,608
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then:
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properties:
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peer-hub: false
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vdd-supply: false
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- if:
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properties:
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compatible:
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contains:
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enum:
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- usb5e3,610
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- usb5e3,620
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then:
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properties:
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peer-hub: true
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vdd-supply: true
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patternProperties:
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"^.*@[0-9a-f]{1,2}$":
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description: The hard wired USB devices
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type: object
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$ref: /schemas/usb/usb-device.yaml
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additionalProperties: true
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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usb {
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dr_mode = "host";
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#address-cells = <1>;
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#size-cells = <0>;
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hub: hub@1 {
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compatible = "usb5e3,608";
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reg = <1>;
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reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>;
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};
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};
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- |
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#include <dt-bindings/gpio/gpio.h>
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usb {
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dr_mode = "host";
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#address-cells = <1>;
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#size-cells = <0>;
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/* 2.0 hub on port 1 */
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hub_2_0: hub@1 {
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compatible = "usb5e3,610";
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reg = <1>;
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peer-hub = <&hub_3_0>;
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reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
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vdd-supply = <&vcc_5v>;
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};
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/* 3.1 hub on port 4 */
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hub_3_0: hub@2 {
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compatible = "usb5e3,620";
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reg = <2>;
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peer-hub = <&hub_2_0>;
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reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
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vdd-supply = <&vcc_5v>;
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};
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};
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