From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Document the Renesas RZ/G3E USB3.2 Gen2 Host Controller (a.k.a USB3HOST).
The USB3HOST is compliant with the Universal Serial Bus 3.2 Specification
Revision 1.0.
- Supports 1 downstream USB receptacles
- Number of SSP Gen2 or SS ports: 1
- Number of HS or FS or LS ports: 1
- Supports Super Speed Plus Gen2x1 (10 Gbps), Super Speed (5 Gbps),
High Speed (480 Mbps), Full Speed (12Mbps), and Low Speed (1.5 Mbps).
- Supports all transfer-types: Control, Bulk, Interrupt, Isochronous, and
these split-transactions.
- Supports Power Control and Over Current Detection.
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../bindings/usb/renesas,rzg3e-xhci.yaml | 84 +++++++++++++++++++
1 file changed, 84 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/renesas,rzg3e-xhci.yaml
diff --git a/Documentation/devicetree/bindings/usb/renesas,rzg3e-xhci.yaml b/Documentation/devicetree/bindings/usb/renesas,rzg3e-xhci.yaml
new file mode 100644
index 000000000000..2f73ea2e1e78
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/renesas,rzg3e-xhci.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/renesas,rzg3e-xhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G3E USB 3.2 Gen2 Host controller
+
+maintainers:
+ - Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
+
+properties:
+ compatible:
+ const: renesas,r9a09g047-xhci
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: Logical OR of all interrupt signals.
+ - description: System management interrupt
+ - description: Host system error interrupt
+ - description: Power management event interrupt
+ - description: xHC interrupt
+
+ interrupt-names:
+ items:
+ - const: all
+ - const: smi
+ - const: hse
+ - const: pme
+ - const: xhc
+
+ clocks:
+ maxItems: 1
+
+ phys:
+ maxItems: 2
+
+ phy-names:
+ items:
+ - const: usb2-phy
+ - const: usb3-phy
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - power-domains
+ - resets
+ - phys
+ - phy-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/renesas,r9a09g047-cpg.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ usb@15850000 {
+ compatible = "renesas,r9a09g047-xhci";
+ reg = <0x15850000 0x10000>;
+ interrupts = <GIC_SPI 759 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 758 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 757 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 756 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 755 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "all", "smi", "hse", "pme", "xhc";
+ clocks = <&cpg CPG_MOD 0xaf>;
+ power-domains = <&cpg>;
+ resets = <&cpg 0xaa>;
+ phys = <&usb3_phy>, <&usb3_phy>;
+ phy-names = "usb2-phy", "usb3-phy";
+ };
--
2.43.0
