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linux
dt-bindings: phy: st: convert phy-stih407-usb to DT schema
Convert the st,stih407-usb2-phy binding to DT schema format.
Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230823132224.111326-1-rgallaispou@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
authored by
Raphael Gallais-Pou
and committed by
Vinod Koul
2d6064e9
2be22aae
+63
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Documentation/devicetree/bindings/phy/phy-stih407-usb.txt
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Documentation/devicetree/bindings/phy/phy-stih407-usb.txt
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ST STiH407 USB PHY controller
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This file documents the dt bindings for the usb picoPHY driver which is the PHY for both USB2 and USB3
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host controllers (when controlling usb2/1.1 devices) available on STiH407 SoC family from STMicroelectronics.
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Required properties:
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- compatible : should be "st,stih407-usb2-phy"
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- st,syscfg : phandle of sysconfig bank plus integer array containing phyparam and phyctrl register offsets
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- resets : list of phandle and reset specifier pairs. There should be two entries, one
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for the whole phy and one for the port
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- reset-names : list of reset signal names. Should be "global" and "port"
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See: Documentation/devicetree/bindings/reset/st,stih407-powerdown.yaml
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See: Documentation/devicetree/bindings/reset/reset.txt
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Example:
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usb2_picophy0: usbpicophy@f8 {
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compatible = "st,stih407-usb2-phy";
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#phy-cells = <0>;
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st,syscfg = <&syscfg_core 0x100 0xf4>;
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resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
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<&picophyreset STIH407_PICOPHY0_RESET>;
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reset-names = "global", "port";
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};
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Documentation/devicetree/bindings/phy/st,stih407-usb2-phy.yaml
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Documentation/devicetree/bindings/phy/st,stih407-usb2-phy.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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$id: http://devicetree.org/schemas/phy/st,stih407-usb2-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: STMicroelectronics STiH407 USB PHY controller
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maintainers:
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- Patrice Chotard <patrice.chotard@foss.st.com>
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description:
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The USB picoPHY device is the PHY for both USB2 and USB3 host controllers
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(when controlling usb2/1.1 devices) available on STiH407 SoC family from
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STMicroelectronics.
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properties:
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compatible:
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const: st,stih407-usb2-phy
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st,syscfg:
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description: Phandle to the syscfg bank
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to syscfg
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- description: phyparam register offset
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- description: phyctrl register offset
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resets:
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items:
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- description: Phandle and reset specifier pair for the whole phy.
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- description: Phandle and reset specifier pair for the port.
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reset-names:
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items:
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- const: global
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- const: port
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"#phy-cells":
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const: 0
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required:
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- compatible
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- st,syscfg
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- resets
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- reset-names
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- "#phy-cells"
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/reset/stih407-resets.h>
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usb-phy {
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compatible = "st,stih407-usb2-phy";
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#phy-cells = <0>;
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st,syscfg = <&syscfg_core 0x100 0xf4>;
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resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
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<&picophyreset STIH407_PICOPHY0_RESET>;
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reset-names = "global", "port";
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};
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...