Squashed 'dts/upstream/' content from commit aaba2d45dc2a
git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/usb/smsc,usb3503.yaml b/Bindings/usb/smsc,usb3503.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/smsc,usb3503.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SMSC USB3503 High-Speed Hub Controller
+
+maintainers:
+ - Dongjin Kim <tobetter@gmail.com>
+
+properties:
+ compatible:
+ enum:
+ - smsc,usb3503
+ - smsc,usb3503a
+ - smsc,usb3803
+
+ reg:
+ maxItems: 1
+
+ connect-gpios:
+ maxItems: 1
+ description: >
+ GPIO for connect
+
+ intn-gpios:
+ maxItems: 1
+ description: >
+ GPIO for interrupt
+
+ reset-gpios:
+ maxItems: 1
+ description: >
+ GPIO for reset
+
+ bypass-gpios:
+ maxItems: 1
+ description: >
+ GPIO for bypass.
+ Control signal to select between HUB MODE and BYPASS MODE.
+
+ disabled-ports:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 3
+ items:
+ minimum: 1
+ maximum: 3
+ description: >
+ Specifies the ports unused using their port number. Do not describe this
+ property if all ports have to be enabled.
+
+ initial-mode:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: >
+ Specifies initial mode. 1 for Hub mode, 2 for standby mode and 3 for bypass mode.
+ In bypass mode the downstream port 3 is connected to the upstream port with low
+ switch resistance R_on.
+
+ clocks:
+ maxItems: 1
+ description: >
+ Clock used for driving REFCLK signal. If not provided the driver assumes
+ that clock signal is always available, its rate is specified by REF_SEL
+ pins and a value from the primary reference clock frequencies table is
+ used.
+
+ clock-names:
+ const: refclk
+
+ refclk-frequency:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: >
+ Frequency of the REFCLK signal as defined by REF_SEL pins. If not
+ provided, driver will not set rate of the REFCLK signal and assume that a
+ value from the primary reference clock frequencies table is used.
+
+required:
+ - compatible
+
+allOf:
+ - if:
+ not:
+ properties:
+ compatible:
+ enum:
+ - smsc,usb3803
+ then:
+ properties:
+ bypass-gpios: false
+
+ - if:
+ required:
+ - bypass-gpios
+ then:
+ properties:
+ initial-mode:
+ enum: [1, 2, 3]
+ else:
+ properties:
+ initial-mode:
+ enum: [1, 2]
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usb-hub@8 {
+ compatible = "smsc,usb3503";
+ reg = <0x08>;
+ connect-gpios = <&gpx3 0 1>;
+ disabled-ports = <2 3>;
+ intn-gpios = <&gpx3 4 1>;
+ reset-gpios = <&gpx3 5 1>;
+ initial-mode = <1>;
+ clocks = <&clks 80>;
+ clock-names = "refclk";
+ };
+ };
+
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ usb-hub@8 {
+ compatible = "smsc,usb3803";
+ reg = <0x08>;
+ connect-gpios = <&gpx3 0 1>;
+ disabled-ports = <2 3>;
+ intn-gpios = <&gpx3 4 1>;
+ reset-gpios = <&gpx3 5 1>;
+ bypass-gpios = <&gpx3 6 1>;
+ initial-mode = <3>;
+ clocks = <&clks 80>;
+ clock-names = "refclk";
+ };
+ };
+
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ usb-hub {
+ /* I2C is not connected */
+ compatible = "smsc,usb3503";
+ initial-mode = <1>; /* initialize in HUB mode */
+ disabled-ports = <1>;
+ intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+ reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */
+ connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
+ refclk-frequency = <19200000>;
+ };
+
+...