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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 07/04/2025 14:38, Ze Huang wrote: > Add support for SpacemiT DWC3 glue driver, which manages interrupt, > reset and clock resource. > > Signed-off-by: Ze Huang > --- > .../devicetree/bindings/usb/spacemit,k1-dwc3.yaml | 78 ++++++++++++++++++++++ > 1 file changed, 78 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/spacemit,k1-dwc3.yaml b/Documentation/devicetree/bindings/usb/spacemit,k1-dwc3.yaml Combining 3 subsystems into one patchset is a poor idea. > new file mode 100644 > index 0000000000000000000000000000000000000000..40ce3fd1330d5f371ec69155c237e10a65a9d8f4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/spacemit,k1-dwc3.yaml > @@ -0,0 +1,78 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/spacemit,k1-dwc3.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: SpacemiT K1 SuperSpeed DWC3 USB SoC Controller Glue > + > +maintainers: > + - Ze Huang > + > +properties: > + compatible: > + const: spacemit,k1-dwc3 > + > + ranges: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + resets: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + interconnects: Missing maxItems > + description: > + On SpacemiT K1, USB performs DMA through bus other than parent DT node. > + The 'interconnects' property explicitly describes this path, ensuring > + correct address translation. > + > + interconnect-names: > + const: dma-mem > + > + # optional Drop, Don't repeat constraints in free form text. > + vbus-supply: > + description: A phandle to the regulator supplying the VBUS voltage. > + > +patternProperties: > + '^usb@': > + $ref: snps,dwc3.yaml# No, rather fold child into the parent. > + > +additionalProperties: false This goes after required:, always. > + > +required: > + - compatible > + - ranges > + - clocks > + - resets > + - interrupts > + - interconnects > + - interconnect-names > + > +examples: > + - | > + usb@c0a00000 { > + compatible = "spacemit,k1-dwc3"; > + clocks = <&syscon_apmu 16>; > + interrupts = <149>; > + interconnects = <&dram_range0>; > + interconnect-names = "dma-mem"; > + ranges = <0x0 0xc0a00000 0x10000>; > + resets = <&syscon_apmu 8>; > + #address-cells = <1>; > + #size-cells = <1>; > + status = "disabled"; Nope, drop. Best regards, Krzysztof _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv