diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
5 files changed, 232 insertions, 116 deletions
diff --git a/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.txt b/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.txt deleted file mode 100644 index 50abb20fe319..000000000000 --- a/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.txt +++ /dev/null @@ -1,28 +0,0 @@ -Allwinner sun4i A10 musb DRC/OTG controller -------------------------------------------- - -Required properties: - - compatible : "allwinner,sun4i-a10-musb", "allwinner,sun6i-a31-musb", - "allwinner,sun8i-a33-musb" or "allwinner,sun8i-h3-musb" - - reg : mmio address range of the musb controller - - clocks : clock specifier for the musb controller ahb gate clock - - reset : reset specifier for the ahb reset (A31 and newer only) - - interrupts : interrupt to which the musb controller is connected - - interrupt-names : must be "mc" - - phys : phy specifier for the otg phy - - phy-names : must be "usb" - - dr_mode : Dual-Role mode must be "host" or "otg" - - extcon : extcon specifier for the otg phy - -Example: - - usb_otg: usb@1c13000 { - compatible = "allwinner,sun4i-a10-musb"; - reg = <0x01c13000 0x0400>; - clocks = <&ahb_gates 0>; - interrupts = <38>; - interrupt-names = "mc"; - phys = <&usbphy 0>; - phy-names = "usb"; - extcon = <&usbphy 0>; - }; diff --git a/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.yaml b/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.yaml new file mode 100644 index 000000000000..0af70fc8de5a --- /dev/null +++ b/Documentation/devicetree/bindings/usb/allwinner,sun4i-a10-musb.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/allwinner,sun4i-a10-musb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 mUSB OTG Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <maxime.ripard@bootlin.com> + +properties: + compatible: + oneOf: + - const: allwinner,sun4i-a10-musb + - const: allwinner,sun6i-a31-musb + - const: allwinner,sun8i-a33-musb + - const: allwinner,sun8i-h3-musb + - items: + - enum: + - allwinner,sun8i-a83t-musb + - allwinner,sun50i-h6-musb + - const: allwinner,sun8i-a33-musb + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-names: + const: mc + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + phys: + description: PHY specifier for the OTG PHY + + phy-names: + const: usb + + extcon: + description: Extcon specifier for the OTG PHY + + dr_mode: + enum: + - host + - otg + - peripheral + + allwinner,sram: + description: Phandle to the device SRAM + $ref: /schemas/types.yaml#/definitions/phandle-array + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - phys + - phy-names + - dr_mode + - extcon + +if: + properties: + compatible: + contains: + enum: + - allwinner,sun6i-a31-musb + - allwinner,sun8i-a33-musb + - allwinner,sun8i-h3-musb + +then: + required: + - resets + +additionalProperties: false + +examples: + - | + usb_otg: usb@1c13000 { + compatible = "allwinner,sun4i-a10-musb"; + reg = <0x01c13000 0x0400>; + clocks = <&ahb_gates 0>; + interrupts = <38>; + interrupt-names = "mc"; + phys = <&usbphy 0>; + phy-names = "usb"; + extcon = <&usbphy 0>; + dr_mode = "peripheral"; + }; + +... diff --git a/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt b/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt index 6ffb09be7a76..9a8b631904fd 100644 --- a/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt +++ b/Documentation/devicetree/bindings/usb/amlogic,dwc3.txt @@ -40,91 +40,3 @@ Example device nodes: phy-names = "usb2-phy", "usb3-phy"; }; }; - -Amlogic Meson G12A DWC3 USB SoC Controller Glue - -The Amlogic G12A embeds a DWC3 USB IP Core configured for USB2 and USB3 -in host-only mode, and a DWC2 IP Core configured for USB2 peripheral mode -only. - -A glue connects the DWC3 core to USB2 PHYs and optionnaly to an USB3 PHY. - -One of the USB2 PHY can be re-routed in peripheral mode to a DWC2 USB IP. - -The DWC3 Glue controls the PHY routing and power, an interrupt line is -connected to the Glue to serve as OTG ID change detection. - -Required properties: -- compatible: Should be "amlogic,meson-g12a-usb-ctrl" -- clocks: a handle for the "USB" clock -- resets: a handle for the shared "USB" reset line -- reg: The base address and length of the registers -- interrupts: the interrupt specifier for the OTG detection -- phys: handle to used PHYs on the system - - a <0> phandle can be used if a PHY is not used -- phy-names: names of the used PHYs on the system : - - "usb2-phy0" for USB2 PHY0 if USBHOST_A port is used - - "usb2-phy1" for USB2 PHY1 if USBOTG_B port is used - - "usb3-phy0" for USB3 PHY if USB3_0 is used -- dr_mode: should be "host", "peripheral", or "otg" depending on - the usage and configuration of the OTG Capable port. - - "host" and "peripheral" means a fixed Host or Device only connection - - "otg" means the port can be used as both Host or Device and - be switched automatically using the OTG ID pin. - -Optional properties: -- vbus-supply: should be a phandle to the regulator controlling the VBUS - power supply when used in OTG switchable mode - -Required child nodes: - -A child node must exist to represent the core DWC3 IP block. The name of -the node is not important. The content of the node is defined in dwc3.txt. - -A child node must exist to represent the core DWC2 IP block. The name of -the node is not important. The content of the node is defined in dwc2.txt. - -PHY documentation is provided in the following places: -- Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml -- Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml - -Example device nodes: - usb: usb@ffe09000 { - compatible = "amlogic,meson-g12a-usb-ctrl"; - reg = <0x0 0xffe09000 0x0 0xa0>; - interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>; - #address-cells = <2>; - #size-cells = <2>; - ranges; - - clocks = <&clkc CLKID_USB>; - resets = <&reset RESET_USB>; - - dr_mode = "otg"; - - phys = <&usb2_phy0>, <&usb2_phy1>, - <&usb3_pcie_phy PHY_TYPE_USB3>; - phy-names = "usb2-phy0", "usb2-phy1", "usb3-phy0"; - - dwc2: usb@ff400000 { - compatible = "amlogic,meson-g12a-usb", "snps,dwc2"; - reg = <0x0 0xff400000 0x0 0x40000>; - interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clkc CLKID_USB1_DDR_BRIDGE>; - clock-names = "ddr"; - phys = <&usb2_phy1>; - dr_mode = "peripheral"; - g-rx-fifo-size = <192>; - g-np-tx-fifo-size = <128>; - g-tx-fifo-size = <128 128 16 16 16>; - }; - - dwc3: usb@ff500000 { - compatible = "snps,dwc3"; - reg = <0x0 0xff500000 0x0 0x100000>; - interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; - dr_mode = "host"; - snps,dis_u2_susphy_quirk; - snps,quirk-frame-length-adjustment; - }; - }; diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml new file mode 100644 index 000000000000..4efb77b653ab --- /dev/null +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 BayLibre, SAS +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/usb/amlogic,meson-g12a-usb-ctrl.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Amlogic Meson G12A DWC3 USB SoC Controller Glue + +maintainers: + - Neil Armstrong <narmstrong@baylibre.com> + +description: | + The Amlogic G12A embeds a DWC3 USB IP Core configured for USB2 and USB3 + in host-only mode, and a DWC2 IP Core configured for USB2 peripheral mode + only. + + A glue connects the DWC3 core to USB2 PHYs and optionally to an USB3 PHY. + + One of the USB2 PHYs can be re-routed in peripheral mode to a DWC2 USB IP. + + The DWC3 Glue controls the PHY routing and power, an interrupt line is + connected to the Glue to serve as OTG ID change detection. + +properties: + compatible: + enum: + - amlogic,meson-g12a-usb-ctrl + + ranges: true + + "#address-cells": + enum: [ 1, 2 ] + + "#size-cells": + enum: [ 1, 2 ] + + clocks: + minItems: 1 + + resets: + minItems: 1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + phy-names: + items: + - const: usb2-phy0 # USB2 PHY0 if USBHOST_A port is used + - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used + - const: usb3-phy0 # USB3 PHY if USB3_0 is used + + phys: + minItems: 1 + maxItems: 3 + + dr_mode: true + + power-domains: + maxItems: 1 + + vbus-supply: + description: VBUS power supply when used in OTG switchable mode + +patternProperties: + "^usb@[0-9a-f]+$": + type: object + +additionalProperties: false + +required: + - compatible + - "#address-cells" + - "#size-cells" + - ranges + - clocks + - resets + - reg + - interrupts + - phy-names + - phys + - dr_mode + +examples: + - | + usb: usb@ffe09000 { + compatible = "amlogic,meson-g12a-usb-ctrl"; + reg = <0x0 0xffe09000 0x0 0xa0>; + interrupts = <16>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + clocks = <&clkc_usb>; + resets = <&reset_usb>; + + dr_mode = "otg"; + + phys = <&usb2_phy0>, <&usb2_phy1>, <&usb3_phy0>; + phy-names = "usb2-phy0", "usb2-phy1", "usb3-phy0"; + + dwc2: usb@ff400000 { + compatible = "amlogic,meson-g12a-usb", "snps,dwc2"; + reg = <0xff400000 0x40000>; + interrupts = <31>; + clocks = <&clkc_usb1>; + clock-names = "ddr"; + phys = <&usb2_phy1>; + dr_mode = "peripheral"; + g-rx-fifo-size = <192>; + g-np-tx-fifo-size = <128>; + g-tx-fifo-size = <128 128 16 16 16>; + }; + + dwc3: usb@ff500000 { + compatible = "snps,dwc3"; + reg = <0xff500000 0x100000>; + interrupts = <30>; + dr_mode = "host"; + snps,dis_u2_susphy_quirk; + snps,quirk-frame-length-adjustment; + }; + }; + diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml index 1ca64c85191a..10edd05872ea 100644 --- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml @@ -63,6 +63,11 @@ properties: description: Set this flag to force EHCI reset after resume. + companion: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle of a companion. + phys: description: PHY specifier for the USB PHY |