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The Allwinner SoCs have a USB PHY controller that is supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Signed-off-by: Maxime Ripard <maxime@cerno.tech> Signed-off-by: Rob Herring <robh@kernel.org>
123 lines
3.0 KiB
YAML
123 lines
3.0 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/allwinner,sun8i-a83t-usb-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A83t USB PHY Device Tree Bindings
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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"#phy-cells":
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const: 1
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compatible:
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const: allwinner,sun8i-a83t-usb-phy
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reg:
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items:
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- description: PHY Control registers
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- description: PHY PMU1 registers
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- description: PHY PMU2 registers
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reg-names:
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items:
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- const: phy_ctrl
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- const: pmu1
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- const: pmu2
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clocks:
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items:
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- description: USB OTG PHY bus clock
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- description: USB Host 0 PHY bus clock
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- description: USB Host 1 PHY bus clock
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- description: USB HSIC 12MHz clock
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clock-names:
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items:
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- const: usb0_phy
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- const: usb1_phy
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- const: usb2_phy
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- const: usb2_hsic_12M
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resets:
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items:
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- description: USB OTG reset
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- description: USB Host 1 Controller reset
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- description: USB Host 2 Controller reset
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reset-names:
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items:
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- const: usb0_reset
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- const: usb1_reset
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- const: usb2_reset
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usb0_id_det-gpios:
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description: GPIO to the USB OTG ID pin
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usb0_vbus_det-gpios:
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description: GPIO to the USB OTG VBUS detect pin
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usb0_vbus_power-supply:
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description: Power supply to detect the USB OTG VBUS
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usb0_vbus-supply:
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description: Regulator controlling USB OTG VBUS
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usb1_vbus-supply:
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description: Regulator controlling USB1 Host controller
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usb2_vbus-supply:
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description: Regulator controlling USB2 Host controller
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required:
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- "#phy-cells"
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- compatible
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- clocks
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- clock-names
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- reg
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- reg-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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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/clock/sun8i-a83t-ccu.h>
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#include <dt-bindings/reset/sun8i-a83t-ccu.h>
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phy@1c19400 {
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#phy-cells = <1>;
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compatible = "allwinner,sun8i-a83t-usb-phy";
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reg = <0x01c19400 0x10>,
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<0x01c1a800 0x14>,
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<0x01c1b800 0x14>;
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reg-names = "phy_ctrl",
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"pmu1",
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"pmu2";
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clocks = <&ccu CLK_USB_PHY0>,
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<&ccu CLK_USB_PHY1>,
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<&ccu CLK_USB_HSIC>,
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<&ccu CLK_USB_HSIC_12M>;
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clock-names = "usb0_phy",
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"usb1_phy",
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"usb2_phy",
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"usb2_hsic_12M";
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resets = <&ccu RST_USB_PHY0>,
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<&ccu RST_USB_PHY1>,
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<&ccu RST_USB_HSIC>;
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reset-names = "usb0_reset",
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"usb1_reset",
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"usb2_reset";
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usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
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usb0_vbus_power-supply = <&usb_power_supply>;
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usb0_vbus-supply = <®_drivevbus>;
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usb1_vbus-supply = <®_usb1_vbus>;
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usb2_vbus-supply = <®_usb2_vbus>;
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};
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