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Subject[PATCH 3/4] dt-bindings: usb: Add Intel Keem Bay USB controller bindings
Date
Binding description for Intel Keem Bay USB controller.

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
---
.../bindings/usb/intel,keembay-dwc3.yaml | 77 +++++++++++++++++++
1 file changed, 77 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml

diff --git a/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml b/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml
new file mode 100644
index 000000000000..dd32c10ce6c7
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/intel,keembay-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Keem Bay DWC3 USB controller
+
+maintainers:
+ - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
+
+properties:
+ compatible:
+ const: intel,keembay-dwc3
+
+ clocks:
+ maxItems: 4
+
+ clock-names:
+ items:
+ - const: async_master
+ - const: ref
+ - const: alt_ref
+ - const: suspend
+
+ ranges: true
+
+ '#address-cells':
+ enum: [ 1, 2 ]
+
+ '#size-cells':
+ enum: [ 1, 2 ]
+
+# Required child node:
+
+patternProperties:
+ "^dwc3@[0-9a-f]+$":
+ type: object
+ description:
+ A child node must exist to represent the core DWC3 IP block.
+ The content of the node is defined in dwc3.txt.
+
+required:
+ - compatible
+ - clocks
+ - clock-names
+ - ranges
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #define KEEM_BAY_A53_AUX_USB
+ #define KEEM_BAY_A53_AUX_USB_REF
+ #define KEEM_BAY_A53_AUX_USB_ALT_REF
+ #define KEEM_BAY_A53_AUX_USB_SUSPEND
+
+ usb {
+ compatible = "intel,keembay-dwc3";
+ clocks = <&scmi_clk KEEM_BAY_A53_AUX_USB>,
+ <&scmi_clk KEEM_BAY_A53_AUX_USB_REF>,
+ <&scmi_clk KEEM_BAY_A53_AUX_USB_ALT_REF>,
+ <&scmi_clk KEEM_BAY_A53_AUX_USB_SUSPEND>;
+ clock-names = "async_master", "ref", "alt_ref", "suspend";
+ ranges;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ dwc3@34000000 {
+ compatible = "snps,dwc3";
+ reg = <0x34000000 0x10000>;
+ interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+ dr_mode = "peripheral";
+ };
+ };
--
2.17.1
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