| Message ID | 20230406015216.27034-6-minda.chen@starfivetech.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v4,1/7] dt-bindings: phy: Add StarFive JH7110 USB document | expand |
On 06/04/2023 03:52, Minda Chen wrote: > StarFive JH7110 platforms USB have a wrapper module around > the Cadence USBSS-DRD controller. Add binding information doc > for that. That's one of the most redundant subjects I saw. You basically used four words for one meaning. These are not exactly synonyms, but they all are either imprecise or meaning the same. Subject: drop second/last, redundant "Bindings YAML schemas". The "dt-bindings" prefix is already stating that these are bindings. > > Signed-off-by: Minda Chen <minda.chen@starfivetech.com> > Reviewed-by: Peter Chen <peter.chen@kernel.org> > --- > .../bindings/usb/starfive,jh7110-usb.yaml | 136 ++++++++++++++++++ > 1 file changed, 136 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml > > diff --git a/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml b/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml > new file mode 100644 > index 000000000000..c8b30b583854 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml > @@ -0,0 +1,136 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/starfive,jh7110-usb.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: StarFive JH7110 wrapper module for the Cadence USBSS-DRD controller What do you wrap here? Are you sure this is a wrapper? I think this is just USB controller? > + > +maintainers: > + - Minda Chen <minda.chen@starfivetech.com> > + > +properties: > + compatible: > + const: starfive,jh7110-usb > + > + reg: > + items: > + - description: OTG controller registers > + - description: XHCI Host controller registers > + - description: DEVICE controller registers > + > + reg-names: > + items: > + - const: otg > + - const: xhci > + - const: dev > + > + interrupts: > + items: > + - description: XHCI host controller interrupt > + - description: Device controller interrupt > + - description: OTG/DRD controller interrupt > + > + interrupt-names: > + items: > + - const: host > + - const: peripheral > + - const: otg > + > + clocks: > + items: > + - description: lpm clock > + - description: stb clock > + - description: apb clock > + - description: axi clock > + - description: utmi apb clock > + > + clock-names: > + items: > + - const: lpm > + - const: stb > + - const: apb > + - const: axi > + - const: utmi_apb > + > + resets: > + items: > + - description: PWRUP reset > + - description: APB clock reset > + - description: AXI clock reset > + - description: UTMI_APB clock reset > + > + reset-names: > + items: > + - const: pwrup > + - const: apb > + - const: axi > + - const: utmi > + > + starfive,stg-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + items: Same problem as for other patches. > + - description: phandle to System Register Controller stg_syscon node. > + - description: register offset of STG_SYSCONSAIF__SYSCFG register for USB. > + description: > + The phandle to System Register Controller syscon node and the offset > + of STG_SYSCONSAIF__SYSCFG register for USB. > + Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml b/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml new file mode 100644 index 000000000000..c8b30b583854 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml @@ -0,0 +1,136 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/starfive,jh7110-usb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 wrapper module for the Cadence USBSS-DRD controller + +maintainers: + - Minda Chen <minda.chen@starfivetech.com> + +properties: + compatible: + const: starfive,jh7110-usb + + reg: + items: + - description: OTG controller registers + - description: XHCI Host controller registers + - description: DEVICE controller registers + + reg-names: + items: + - const: otg + - const: xhci + - const: dev + + interrupts: + items: + - description: XHCI host controller interrupt + - description: Device controller interrupt + - description: OTG/DRD controller interrupt + + interrupt-names: + items: + - const: host + - const: peripheral + - const: otg + + clocks: + items: + - description: lpm clock + - description: stb clock + - description: apb clock + - description: axi clock + - description: utmi apb clock + + clock-names: + items: + - const: lpm + - const: stb + - const: apb + - const: axi + - const: utmi_apb + + resets: + items: + - description: PWRUP reset + - description: APB clock reset + - description: AXI clock reset + - description: UTMI_APB clock reset + + reset-names: + items: + - const: pwrup + - const: apb + - const: axi + - const: utmi + + starfive,stg-syscon: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: phandle to System Register Controller stg_syscon node. + - description: register offset of STG_SYSCONSAIF__SYSCFG register for USB. + description: + The phandle to System Register Controller syscon node and the offset + of STG_SYSCONSAIF__SYSCFG register for USB. + + dr_mode: + enum: [host, otg, peripheral] + + phys: + minItems: 1 + maxItems: 2 + + phy-names: + minItems: 1 + maxItems: 2 + items: + anyOf: + - const: usb2-phy + - const: usb3-phy + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-names + - clocks + - resets + - starfive,stg-syscon + - dr_mode + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + usb@10100000 { + compatible = "starfive,jh7110-usb"; + reg = <0x0 0x10100000 0x0 0x10000>, + <0x0 0x10110000 0x0 0x10000>, + <0x0 0x10120000 0x0 0x10000>; + reg-names = "otg", "xhci", "dev"; + interrupts = <100>, <108>, <110>; + interrupt-names = "host", "peripheral", "otg"; + clocks = <&syscrg 4>, + <&stgcrg 5>, + <&stgcrg 1>, + <&stgcrg 3>, + <&stgcrg 2>; + clock-names = "lpm", "stb", "apb", "axi", "utmi_apb"; + resets = <&stgcrg 10>, + <&stgcrg 8>, + <&stgcrg 7>, + <&stgcrg 9>; + reset-names = "pwrup", "apb", "axi", "utmi"; + starfive,stg-syscon = <&stg_syscon 0x4>; + dr_mode = "host"; + }; + };