From: Yang Xiwen <forbidden405@xxxxxxxxxxx> Document the DWC3 controller used by Hi3798MV200. Signed-off-by: Yang Xiwen <forbidden405@xxxxxxxxxxx> --- .../bindings/usb/hisilicon,hi3798mv200-dwc3.yaml | 100 +++++++++++++++++++++ 1 file changed, 100 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml b/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml new file mode 100644 index 000000000000..0884d1ba6723 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/hisilicon,hi3798mv200-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HiSilicon Hi3798MV200 DWC3 USB SoC controller + +maintainers: + - Yang Xiwen <forbidden405@xxxxxxxxxxx> + +properties: + compatible: + const: hisilicon,hi3798mv200-dwc3 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + ranges: true + + clocks: + items: + - description: Controller bus clock + - description: Controller suspend clock + - description: Controller reference clock + - description: Controller gm clock + - description: Controller gs clock + - description: Controller utmi clock + - description: Controller pipe clock + + clock-names: + items: + - const: bus + - const: suspend + - const: ref + - const: gm + - const: gs + - const: utmi + - const: pipe + + resets: + maxItems: 1 + + reset-names: + const: soft + +patternProperties: + '^usb@[0-9a-z]+$': + $ref: snps,dwc3.yaml# + +additionalProperties: false + +required: + - compatible + - '#address-cells' + - '#size-cells' + - ranges + - clocks + - clock-names + - resets + - reset-names + +examples: + - | + #include <dt-bindings/clock/histb-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + usb@98a0000 { + compatible = "hisilicon,hi3798mv200-dwc3"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + clocks = <&crg HISTB_USB3_BUS_CLK>, + <&crg HISTB_USB3_SUSPEND_CLK>, + <&crg HISTB_USB3_REF_CLK>, + <&crg HISTB_USB3_GM_CLK>, + <&crg HISTB_USB3_GS_CLK>, + <&crg HISTB_USB3_UTMI_CLK>, + <&crg HISTB_USB3_PIPE_CLK>; + clock-names = "bus", "suspend", "ref", "gm", "gs", "utmi", "pipe"; + resets = <&crg 0xb0 12>; + reset-names = "soft"; + + usb@98a0000 { + compatible = "snps,dwc3"; + reg = <0x98a0000 0x10000>; + interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&crg HISTB_USB3_BUS_CLK>, + <&crg HISTB_USB3_SUSPEND_CLK>, + <&crg HISTB_USB3_REF_CLK>; + clock-names = "bus_early", "suspend", "ref"; + phys = <&usb2_phy1_port2>, <&combphy0 0>; + phy-names = "usb2-phy", "usb3-phy"; + maximum-speed = "super-speed"; + dr_mode = "host"; + }; + }; -- 2.43.0
