linux-kernel - [PATCH 11/13] dt-bindings: usb: add bindings for microchip mpfs musb

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Date:   Mon, 8 Nov 2021 15:05:52 +0000
From:   <conor.dooley@...rochip.com>
To:     <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
        <robh+dt@...nel.org>, <jassisinghbrar@...il.com>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...tlin.com>, <broonie@...nel.org>,
        <gregkh@...uxfoundation.org>, <lewis.hanly@...rochip.com>,
        <conor.dooley@...rochip.com>, <daire.mcnamara@...rochip.com>,
        <atish.patra@....com>, <ivan.griffin@...rochip.com>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-crypto@...r.kernel.org>,
        <linux-rtc@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <linux-usb@...r.kernel.org>
CC:     <krzysztof.kozlowski@...onical.com>, <geert@...ux-m68k.org>,
        <bin.meng@...driver.com>
Subject: [PATCH 11/13] dt-bindings: usb: add bindings for microchip mpfs musb

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

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

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 .../bindings/usb/microchip,mpfs-usb-host.yaml | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/microchip,mpfs-usb-host.yaml

diff --git a/Documentation/devicetree/bindings/usb/microchip,mpfs-usb-host.yaml b/Documentation/devicetree/bindings/usb/microchip,mpfs-usb-host.yaml
new file mode 100644
index 000000000000..b867f49e7d70
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/microchip,mpfs-usb-host.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/microchip,mpfs-usb-host.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MPFS USB Controller Device Tree Bindings
+
+maintainers:
+  - Conor Dooley <conor.dooley@...rochip.com>
+
+description: |
+  This USB controller is found on the Microchip PolarFire SoC.
+
+properties:
+  compatible:
+    enum:
+      - microchip,mpfs-usb-host
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    minItems: 2
+    items:
+      - const: dma
+      - const: mc
+
+  clocks:
+    maxItems: 1
+
+  dr_mode:
+    enum:
+      - host
+      - otg
+      - peripheral
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+  - dr_mode
+
+additionalProperties: false
+
+examples:
+  - |
+    #include "dt-bindings/clock/microchip,mpfs-clock.h"
+    #include "dt-bindings/interrupt-controller/microchip,mpfs-plic.h"
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+      usb: usb@...01000 {
+        compatible = "microchip,mpfs-usb-host";
+        reg = <0x0 0x20201000 0x0 0x1000>;
+        clocks = <&clkcfg CLK_USB>;
+        interrupt-parent = <&plic>;
+        interrupts = <PLIC_INT_USB_DMA PLIC_INT_USB_MC>;
+        interrupt-names = "dma","mc";
+        dr_mode = "host";
+        status = "disabled";
+      };
+    };
+
+...
-- 
2.33.1