Re: [PATCH v2 5/9] dt-bindings: usb: dwc3: Document ST STM32MP2 DWC3 xHCI USB controller
Krzysztof Kozlowski <[email protected]>
| Newsgroups | gmane.linux.usb.general,gmane.linux.drivers.devicetree,gmane.linux.ports.arm.kernel,gmane.linux.kernel |
|---|---|
| Message-ID | <20260818-brainy-burgundy-monkey-fc2a0d@quoll> |
On Sun, Aug 16, 2026 at 11:37:07PM +0200, Marek Vasut wrote:
> +properties:
> + compatible:
> + const: st,stm32mp25-dwc3
> +
> + reg:
> + maxItems: 1
> +
> + access-controllers:
> + maxItems: 1
> +
> + clocks:
> + minItems: 3
> + maxItems: 3
> +
> + clock-names:
> + items:
> + - const: ref
> + - const: bus_early
> + - const: suspend
> +
> + dr_mode:
> + $ref: /schemas/types.yaml#/definitions/string
> + enum: [host, peripheral, otg]
> +
> + interrupts:
> + maxItems: 1
> +
> + phys:
> + minItems: 1
> + maxItems: 2
> +
> + phy-names:
> + minItems: 1
> + items:
> + - const: usb2-phy
> + - const: usb3-phy
> +
> + resets:
> + minItems: 1
Hm? You keep coming with some odd style, not present in any other files.
Where do you see such code - property followed by minItems alone? This
applies to other places as well.
> +
> + st,syscfg:
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + description: Phandle to system configuration controller.
> + items:
> + - items:
> + - description: phandle to syscfg
> + - description: USB3DR control offset within syscfg
> +
> + st,enable-port-power-control:
> + type: boolean
> + description: Enable Host-Mode Port Power Control (bit-3 of capability param HCCPARAMS)
Why wouldn't this be enavled always? Why is this a board-level property?
> +
> + st,ovrcur-active-low:
Don't re-invent stuff:
st,over-current-active-low
> + type: boolean
> + description: Over-Current signal polarity is active-low
> +
> + st,vbusen-active-low:
> + type: boolean
> + description: VBUS-ENABLE signal polarity is active-low
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - interrupts
> + - phys
> + - phy-names
> + - resets
> + - st,syscfg
> +
> +unevaluatedProperties: false
So where did you reference any other schema - for properties here and
for this unevaluatedProps?
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/st,stm32mp25-rcc.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/reset/st,stm32mp25-rcc.h>
> +
> + usb3dr: usb@48300000 {
Drop unused label
> + compatible = "st,stm32mp25-dwc3";
> + reg = <0x48300000 0x100000>;
> + clocks = <&rcc CK_KER_USB2PHY2>, <&rcc CK_BUS_USB3DR>, <&rcc CK_KER_USB2PHY2>;
> + clock-names = "ref", "bus_early", "suspend";
> + interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_HIGH>;
> + phys = <&usb2_phy>, <&usb3_phy>;
> + phy-names = "usb2-phy", "usb3-phy";
> + resets = <&rcc USB3DR_R>;
> + st,ovrcur-active-low;
> + st,syscfg = <&syscfg 0x4800>;
> + st,vbusen-active-low;
> + };
> --
> 2.53.0
>