[PATCH v6 2/2] dt-bindings: usb: dwc3: Add Realtek DHC RTD SoC DWC3 USB
From: Stanley Chang <hidden>
Date: 2023-08-26 03:12:43
Also in:
linux-usb, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
Document the DWC3 USB bindings for Realtek SoCs.
Signed-off-by: Stanley Chang <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>
---
v5 to v6 change:
No change.
v4 to v5 change:
No change.
v3 to v4 change:
Add reg for register set for pm control.
Remove maximum-speed in example.
v2 to v3 change:
Add description for reg
Remove property for realtek,unlink-usb3-port.
Remove property for realtek,disable-usb3-phy.
Use the maximum-speed instead of the above two properties.
v1 to v2 change:
Revise the subject.
Rename the file.
Fix dtschema warnings.
Remove the property realtek,enable-l4icg.
Drop status.
---
.../bindings/usb/realtek,rtd-dwc3.yaml | 80 +++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/realtek,rtd-dwc3.yaml
diff --git a/Documentation/devicetree/bindings/usb/realtek,rtd-dwc3.yaml b/Documentation/devicetree/bindings/usb/realtek,rtd-dwc3.yaml
new file mode 100644
index 000000000000..345d0132d4a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/realtek,rtd-dwc3.yaml@@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Realtek Semiconductor Corporation +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/realtek,rtd-dwc3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek DWC3 USB SoC Controller Glue + +maintainers: + - Stanley Chang <stanley_chang@realtek.com> + +description: + The Realtek DHC SoC embeds a DWC3 USB IP Core configured for USB 2.0 + and USB 3.0 in host or dual-role mode. + +properties: + compatible: + items: + - enum: + - realtek,rtd1295-dwc3 + - realtek,rtd1315e-dwc3 + - realtek,rtd1319-dwc3 + - realtek,rtd1319d-dwc3 + - realtek,rtd1395-dwc3 + - realtek,rtd1619-dwc3 + - realtek,rtd1619b-dwc3 + - const: realtek,rtd-dwc3 + + reg: + items: + - description: Address and length of register set for wrapper of dwc3 core. + - description: Address and length of register set for pm control. + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + ranges: true + +patternProperties: + "^usb@[0-9a-f]+$": + $ref: snps,dwc3.yaml# + description: Required child node + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ranges + +additionalProperties: false + +examples: + - | + usb@98013e00 { + compatible = "realtek,rtd1319d-dwc3", "realtek,rtd-dwc3"; + reg = <0x98013e00 0x140>, <0x98013f60 0x4>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + usb@98050000 { + compatible = "snps,dwc3"; + reg = <0x98050000 0x9000>; + interrupts = <0 94 4>; + phys = <&usb2phy &usb3phy>; + phy-names = "usb2-phy", "usb3-phy"; + dr_mode = "otg"; + usb-role-switch; + role-switch-default-mode = "host"; + snps,dis_u2_susphy_quirk; + snps,parkmode-disable-ss-quirk; + snps,parkmode-disable-hs-quirk; + maximum-speed = "high-speed"; + }; + };
--
2.34.1