From: Yangtao Li <frank@xxxxxxxxxxxxxxxxx> Add a device tree binding for the A100's USB PHY. Signed-off-by: Yangtao Li <frank@xxxxxxxxxxxxxxxxx> --- .../phy/allwinner,sun50i-a100-usb-phy.yaml | 105 ++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/allwinner,sun50i-a100-usb-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun50i-a100-usb-phy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun50i-a100-usb-phy.yaml new file mode 100644 index 000000000000..cc9bbebe2bd7 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/allwinner,sun50i-a100-usb-phy.yaml @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/allwinner,sun50i-a100-usb-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A100 USB PHY Device Tree Bindings + +maintainers: + - Yangtao Li <tiny.windzz@xxxxxxxxx> + +properties: + "#phy-cells": + const: 1 + + compatible: + const: allwinner,sun50i-a100-usb-phy + + reg: + items: + - description: PHY Control registers + - description: PHY PMU0 registers + - description: PHY PMU1 registers + + reg-names: + items: + - const: phy_ctrl + - const: pmu0 + - const: pmu1 + + clocks: + items: + - description: USB OTG PHY bus clock + - description: USB Host 0 PHY bus clock + + clock-names: + items: + - const: usb0_phy + - const: usb1_phy + + resets: + items: + - description: USB OTG reset + - description: USB Host 1 Controller reset + + reset-names: + items: + - const: usb0_reset + - const: usb1_reset + + usb0_id_det-gpios: + description: GPIO to the USB OTG ID pin + + usb0_vbus_det-gpios: + description: GPIO to the USB OTG VBUS detect pin + + usb0_vbus_power-supply: + description: Power supply to detect the USB OTG VBUS + + usb0_vbus-supply: + description: Regulator controlling USB OTG VBUS + + usb1_vbus-supply: + description: Regulator controlling USB1 Host controller + +required: + - "#phy-cells" + - compatible + - clocks + - clock-names + - reg + - reg-names + - resets + - reset-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/clock/sun50i-a100-ccu.h> + #include <dt-bindings/reset/sun50i-a100-ccu.h> + + phy@5100400 { + #phy-cells = <1>; + compatible = "allwinner,sun50i-a100-usb-phy"; + reg = <0x05100400 0x14>, + <0x05101800 0x4>, + <0x05200800 0x4>; + reg-names = "phy_ctrl", + "pmu0", + "pmu1"; + clocks = <&ccu CLK_USB_PHY0>, + <&ccu CLK_USB_PHY1>; + clock-names = "usb0_phy", + "usb1_phy"; + resets = <&ccu RST_USB_PHY0>, + <&ccu RST_USB_PHY1>; + reset-names = "usb0_reset", + "usb1_reset"; + usb0_id_det-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */ + usb0_vbus_power-supply = <&usb_power_supply>; + usb0_vbus-supply = <®_drivevbus>; + usb1_vbus-supply = <®_usb1_vbus>; + }; -- 2.28.0