[PATCH v9 2/5] dt-bindings: Add Broadcom STB USB support

Al Cooper
2020-05-11T19:37:14Z

Add DT bindings for Broadcom STB USB EHCI and XHCI drivers.

NOTE: The OHCI driver is not included because it uses the generic
platform driver.

Signed-off-by: Al Cooper <alcooperx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
---
.../bindings/usb/brcm,bcm7445-ehci.yaml | 59 +++++++++++++++++++
.../devicetree/bindings/usb/usb-xhci.txt | 1 +
2 files changed, 60 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml

diff --git a/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
new file mode 100644
index 000000000000..2a9acf2b5a64
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/brcm,bcm7445-ehci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom STB USB EHCI Controller Device Tree Bindings
+
+allOf:
+ - $ref: "usb-hcd.yaml"
+
+maintainers:
+ - Al Cooper <alcooperx@gmail.com>
+
+properties:
+ compatible:
+ const: brcm,bcm7445-ehci
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: Clock specifier for the EHCI clock
+
+ clock-names:
+ const: sw_usb
+
+ phys:
+ maxItems: 1
+
+ phy-names:
+ const: usbphy
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - phys
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ usb@f0b00300 {
+ compatible = "brcm,bcm7445-ehci";
+ reg = <0xf0b00300 0xa8>;
+ interrupts = <0x0 0x5a 0x0>;
+ phys = <&usbphy_0 0x0>;
+ phy-names = "usbphy";
+ clocks = <&usb20>;
+ clock-names = "sw_usb";
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index dc025f126d71..23e89d798b1b 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -24,6 +24,7 @@ Required properties:
device
- "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 or RZ/G2 compatible
device
+ - "brcm,bcm7445-xhci" for Broadcom STB SoCs with XHCI
- "xhci-platform" (deprecated)

When compatible with the generic version, nodes must list the
--
2.17.1