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From:   Christian Eggers <ceggers@arri.de>
To:     <linux-usb@vger.kernel.org>, <devicetree@vger.kernel.org>
CC:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Richard Leitner <richard.leitner@skidata.com>,
        <linux-kernel@vger.kernel.org>, Christian Eggers <ceggers@arri.de>
Subject: [PATCH 1/4] dt-bindings: usb: Add Microchip USB253x/USB3x13/USB46x4 support
Date:   Wed, 22 Jul 2020 20:38:56 +0200
Message-ID: <20200722183859.24470-2-ceggers@arri.de>
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Add DT bindings for Microchip USB253x/USB3x13/USB46x4 driver.

Signed-off-by: Christian Eggers <ceggers@arri.de>
---
 .../devicetree/bindings/usb/usb253x.yaml      | 234 ++++++++++++++++++
 1 file changed, 234 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/usb253x.yaml

diff --git a/Documentation/devicetree/bindings/usb/usb253x.yaml b/Documentation/devicetree/bindings/usb/usb253x.yaml
new file mode 100644
index 000000000000..88ea744147b6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb253x.yaml
@@ -0,0 +1,234 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb253x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip USB253x/USB3x13/USB46x4 USB 2.0 Hi-Speed Hub Controller
+
+maintainers:
+  - Christian Eggers <ceggers@arri.de>
+
+description: |
+  http://ww1.microchip.com/downloads/en/AppNotes/00001801C.pdf
+
+properties:
+  compatible:
+    enum:
+      - microchip,usb2532
+      - microchip,usb2532i
+      - microchip,usb2533
+      - microchip,usb2533i
+      - microchip,usb2534
+      - microchip,usb2534i
+      - microchip,usb3613
+      - microchip,usb3613i
+      - microchip,usb3813
+      - microchip,usb3813i
+      - microchip,usb4604
+      - microchip,usb4604i
+      - microchip,usb4624
+      - microchip,usb4624i
+
+  reg:
+    maxItems: 1
+    description:
+      I2C address on the selected bus (usually <0x2D>).
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      Specify the gpio for hub reset.
+
+  vdd-supply:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Specify the regulator supplying vdd.
+
+  skip-config:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Skip Hub configuration, but only send the USB-Attach command.
+
+  vendor-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
+    description:
+      Set USB Vendor ID of the hub.
+
+  product-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
+    description:
+      Set USB Product ID of the hub.
+
+  device-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
+    description:
+      Set USB Device ID of the hub.
+
+  language-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 65535
+    description:
+      Set USB Language ID.
+
+  manufacturer:
+    $ref: /schemas/types.yaml#/definitions/string
+    description:
+      Set USB Manufacturer string (max. a total of 93 characters for
+      manufacturer, product and serial).
+
+  product:
+    $ref: /schemas/types.yaml#/definitions/string
+    description:
+      Set USB Product string (max. a total of 93 characters for
+      manufacturer, product and serial).
+
+  serial:
+    $ref: /schemas/types.yaml#/definitions/string
+    description:
+      Set USB Serial string (max. a total of 93 characters for
+      manufacturer, product and serial).
+
+  bus-powered:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Selects bus powered operation.
+
+  self-powered:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Selects self powered operation (default).
+
+  disable-hi-speed:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Disable USB Hi-Speed support.
+
+  multi-tt:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Selects multi-transaction-translator (default).
+
+  single-tt:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Selects single-transaction-translator.
+
+  disable-eop:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Disable End of Packet generation in full-speed mode.
+
+  ganged-sensing:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Select ganged over-current sense type in self-powered mode.
+
+  individual-sensing:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Select individual over-current sense type in self-powered mode (default).
+
+  ganged-port-switching:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Select ganged port power switching mode.
+
+  individual-port-switching:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Select individual port power switching mode (default).
+
+  dynamic-power-switching:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Enable auto-switching from self- to bus-powered operation if the local
+      power source is removed or unavailable.
+
+  oc-delay-us:
+    enum:
+      - 100
+      - 4000
+      - 8000
+      - 16000
+    default: 8000
+    description:
+      Delay time (in microseconds) for filtering the over-current sense inputs.
+      If an invalid value is given, the default is used instead.
+
+  compound-device:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Indicate the hub is part of a compound device.
+
+  port-mapping-mode:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Enable port mapping mode.
+
+  non-removable-ports:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Should specify the ports which have a non-removable device connected.
+
+  sp-disabled-ports:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Specifies the ports which will be self-power disabled.
+
+  bp-disabled-ports:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Specifies the ports which will be bus-power disabled.
+
+  power-on-time-ms:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 100
+    minimum: 0
+    maximum: 510
+    description:
+      Specifies the time (in milliseconds) it takes from the time the host
+      initiates the power-on sequence to a port until the port has adequate
+      power.
+
+  hub-controller-port:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Hub port where the internal hub controller shall be connected. Usually
+      <number of ports>+1.
+
+additionalProperties: false
+
+required:
+  - compatible
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    i2c0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      usb2534i@2d {
+        compatible = "microchip,usb2534i";
+        reg = <0x2d>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_usb_hub>;
+        /* usb253x.c already assumes low-active, don't negate twice */
+        reset-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
+        /*skip-config;*/
+        /* T_ON,max = 4 ms for NCP380 */
+        power-on-time-ms = <4>;
+        manufacturer = "Foo";
+        product = "Foo-Bar";
+        /* port 2 is connected to an internal SD-Card reader */
+        non-removable-ports = <2>;
+        /* hub controller mapped to logical port 5 */
+        hub-controller-port = <5>;
+      };
+    };
+
+...
-- 
Christian Eggers
Embedded software developer

Arnold & Richter Cine Technik GmbH & Co. Betriebs KG
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