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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>
94 lines
2.1 KiB
YAML
94 lines
2.1 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/allwinner,sun5i-a13-usb-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A13 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,sun5i-a13-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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reg-names:
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items:
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- const: phy_ctrl
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- const: pmu1
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clocks:
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maxItems: 1
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description: USB OTG PHY bus clock
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clock-names:
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const: usb_phy
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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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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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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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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/sun5i-ccu.h>
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#include <dt-bindings/reset/sun5i-ccu.h>
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phy@1c13400 {
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#phy-cells = <1>;
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compatible = "allwinner,sun5i-a13-usb-phy";
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reg = <0x01c13400 0x10>, <0x01c14800 0x4>;
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reg-names = "phy_ctrl", "pmu1";
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clocks = <&ccu CLK_USB_PHY0>;
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clock-names = "usb_phy";
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resets = <&ccu RST_USB_PHY0>, <&ccu RST_USB_PHY1>;
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reset-names = "usb0_reset", "usb1_reset";
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usb0_id_det-gpios = <&pio 6 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PG2 */
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usb0_vbus_det-gpios = <&pio 6 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PG1 */
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usb0_vbus-supply = <®_usb0_vbus>;
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usb1_vbus-supply = <®_usb1_vbus>;
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};
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