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From: <conor.dooley@microchip.com>
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Subject: [PATCH v3 08/15] dt-bindings: usb: add bindings for microchip mpfs
 musb
Date: Fri, 14 Jan 2022 15:17:20 +0000
Message-ID: <20220114151727.2319915-9-conor.dooley@microchip.com>
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List-ID: <linux-usb.vger.kernel.org>
X-Mailing-List: linux-usb@vger.kernel.org

From: Conor Dooley <conor.dooley@microchip.com>

Add device tree bindings for the usb controller on
the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../bindings/usb/microchip,mpfs-musb.yaml     | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml

diff --git a/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
new file mode 100644
index 000000000000..48c458c65848
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/microchip,mpfs-musb.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/microchip,mpfs-musb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MPFS USB Controller Device Tree Bindings
+
+allOf:
+  - $ref: usb-drd.yaml#
+
+maintainers:
+  - Conor Dooley <conor.dooley@microchip.com>
+
+properties:
+  compatible:
+    enum:
+      - microchip,mpfs-musb
+
+  dr_mode: true
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 2
+    maxItems: 2
+
+  interrupt-names:
+    items:
+      - const: dma
+      - const: mc
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include "dt-bindings/clock/microchip,mpfs-clock.h"
+    usb@20201000 {
+        compatible = "microchip,mpfs-musb";
+        reg = <0x20201000 0x1000>;
+        clocks = <&clkcfg CLK_USB>;
+        interrupt-parent = <&plic>;
+        interrupts = <86>, <87>;
+        interrupt-names = "dma", "mc";
+        dr_mode = "host";
+    };
+
+...