diff options
| -rw-r--r-- | Documentation/devicetree/bindings/usb/rockchip,dwc3.txt | 56 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml | 104 |
2 files changed, 104 insertions, 56 deletions
diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt b/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt deleted file mode 100644 index 94520493233b..000000000000 --- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt +++ /dev/null @@ -1,56 +0,0 @@ -Rockchip SuperSpeed DWC3 USB SoC controller - -Required properties: -- compatible: should contain "rockchip,rk3399-dwc3" for rk3399 SoC -- clocks: A list of phandle + clock-specifier pairs for the - clocks listed in clock-names -- clock-names: Should contain the following: - "ref_clk" Controller reference clk, have to be 24 MHz - "suspend_clk" Controller suspend clk, have to be 24 MHz or 32 KHz - "bus_clk" Master/Core clock, have to be >= 62.5 MHz for SS - operation and >= 30MHz for HS operation - "grf_clk" Controller grf clk - -Required child node: -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. - -Phy documentation is provided in the following places: -Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml - USB2.0 PHY -Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt - Type-C PHY - -Example device nodes: - - usbdrd3_0: usb@fe800000 { - compatible = "rockchip,rk3399-dwc3"; - clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>, - <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_GRF>; - clock-names = "ref_clk", "suspend_clk", - "bus_clk", "grf_clk"; - #address-cells = <2>; - #size-cells = <2>; - ranges; - usbdrd_dwc3_0: dwc3@fe800000 { - compatible = "snps,dwc3"; - reg = <0x0 0xfe800000 0x0 0x100000>; - interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>; - dr_mode = "otg"; - }; - }; - - usbdrd3_1: usb@fe900000 { - compatible = "rockchip,rk3399-dwc3"; - clocks = <&cru SCLK_USB3OTG1_REF>, <&cru SCLK_USB3OTG1_SUSPEND>, - <&cru ACLK_USB3OTG1>, <&cru ACLK_USB3_GRF>; - clock-names = "ref_clk", "suspend_clk", - "bus_clk", "grf_clk"; - #address-cells = <2>; - #size-cells = <2>; - ranges; - usbdrd_dwc3_1: dwc3@fe900000 { - compatible = "snps,dwc3"; - reg = <0x0 0xfe900000 0x0 0x100000>; - interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; - dr_mode = "otg"; - }; - }; diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml new file mode 100644 index 000000000000..9908270a907e --- /dev/null +++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/rockchip,dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip SuperSpeed DWC3 USB SoC controller + +maintainers: + - Heiko Stuebner <[email protected]> + +description: + The common content of the node is defined in snps,dwc3.yaml. + + Phy documentation is provided in the following places. + + USB2.0 PHY + Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml + + Type-C PHY + Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt + +allOf: + - $ref: snps,dwc3.yaml# + +select: + properties: + compatible: + contains: + enum: + - rockchip,rk3399-dwc3 + required: + - compatible + +properties: + compatible: + items: + - enum: + - rockchip,rk3399-dwc3 + - const: snps,dwc3 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: + Controller reference clock, must to be 24 MHz + - description: + Controller suspend clock, must to be 24 MHz or 32 KHz + - description: + Master/Core clock, must to be >= 62.5 MHz for SS + operation and >= 30MHz for HS operation + - description: + Controller grf clock + + clock-names: + items: + - const: ref_clk + - const: suspend_clk + - const: bus_clk + - const: grf_clk + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + const: usb3-otg + +unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include <dt-bindings/clock/rk3399-cru.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + bus { + #address-cells = <2>; + #size-cells = <2>; + + usbdrd3_0: usb@fe800000 { + compatible = "rockchip,rk3399-dwc3", "snps,dwc3"; + reg = <0x0 0xfe800000 0x0 0x100000>; + interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>, + <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_GRF>; + clock-names = "ref_clk", "suspend_clk", + "bus_clk", "grf_clk"; + dr_mode = "otg"; + }; + }; |