summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml100
1 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
new file mode 100644
index 000000000..c1f0194ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/ti,keystone-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI Keystone Soc USB Controller
+
+maintainers:
+ - Roger Quadros <rogerq@kernel.org>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - ti,keystone-dwc3
+ - ti,am654-dwc3
+
+ reg:
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 1
+
+ ranges: true
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ assigned-clocks:
+ minItems: 1
+ maxItems: 2
+
+ assigned-clock-parents:
+ minItems: 1
+ maxItems: 2
+
+ power-domains:
+ maxItems: 1
+ description: Should contain a phandle to a PM domain provider node
+ and an args specifier containing the USB device id
+ value. This property is as per the binding,
+ Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
+
+ phys:
+ maxItems: 1
+ description:
+ PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
+ to be turned on before the controller.
+ Documentation/devicetree/bindings/phy/phy-bindings.txt
+
+ phy-names:
+ items:
+ - const: usb3-phy
+
+ dma-coherent: true
+
+ dma-ranges: true
+
+patternProperties:
+ "usb@[a-f0-9]+$":
+ $ref: snps,dwc3.yaml#
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ dwc3@2680000 {
+ compatible = "ti,keystone-dwc3";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x2680000 0x10000>;
+ clocks = <&clkusb>;
+ interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
+ ranges;
+
+ usb@2690000 {
+ compatible = "snps,dwc3";
+ reg = <0x2690000 0x70000>;
+ interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
+ usb-phy = <&usb_phy>, <&usb_phy>;
+ };
+ };