Apple Silicon uses Synopsys DesignWare dwc3 based USB controllers for
their Type-C ports.
Signed-off-by: Sven Peter <sven@kernel.org>
---
.../devicetree/bindings/usb/apple,dwc3.yaml | 80 ++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 81 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/apple,dwc3.yaml b/Documentation/devicetree/bindings/usb/apple,dwc3.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..7c8708143696faf2133c141d2a78abd3b5813979
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/apple,dwc3.yaml
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/apple,dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple Silicon DWC3 USB controller
+
+maintainers:
+ - Sven Peter <sven@kernel.org>
+
+description:
+ Apple Silicon SoCs use a Synopsys DesignWare DWC3 based controller for each of
+ their Type-C ports.
+
+allOf:
+ - $ref: snps,dwc3-common.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - apple,t6000-dwc3
+ - apple,t6020-dwc3
+ - apple,t8112-dwc3
+ - const: apple,t8103-dwc3
+ - const: apple,t8103-dwc3
+
+ reg:
+ items:
+ - description: Core DWC3 region
+ - description: Apple-specific DWC3 region
+
+ reg-names:
+ items:
+ - const: dwc3-core
+ - const: dwc3-apple
+
+ interrupts:
+ maxItems: 1
+
+ iommus:
+ maxItems: 2
+
+ resets:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - iommus
+ - resets
+ - power-domains
+ - usb-role-switch
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/apple-aic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ usb@82280000 {
+ compatible = "apple,t8103-dwc3";
+ reg = <0x82280000 0xce00>, <0x8228cd00 0x3200>;
+ reg-names = "dwc3-core", "dwc3-apple";
+ interrupts = <AIC_IRQ 777 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&dwc3_0_dart_0 0>, <&dwc3_0_dart_1 1>;
+
+ power-domains = <&ps_atc0_usb>;
+ resets = <&atcphy0>;
+
+ usb-role-switch;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index fe168477caa45799dfe07de2f54de6d6a1ce0615..0e085cb0762f765958d67be61ae0d3d773503431 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2399,6 +2399,7 @@ F: Documentation/devicetree/bindings/power/reset/apple,smc-reboot.yaml
F: Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml
F: Documentation/devicetree/bindings/spi/apple,spi.yaml
F: Documentation/devicetree/bindings/spmi/apple,spmi.yaml
+F: Documentation/devicetree/bindings/usb/apple,dwc3.yaml
F: Documentation/devicetree/bindings/watchdog/apple,wdt.yaml
F: arch/arm64/boot/dts/apple/
F: drivers/bluetooth/hci_bcm4377.c
--
2.34.1