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dt-bindings: usb: Document the Microchip USB2514 hub

Message ID 20240404164140.662361-1-festevam@gmail.com
State New
Headers show
Series dt-bindings: usb: Document the Microchip USB2514 hub | expand

Commit Message

Fabio Estevam April 4, 2024, 4:41 p.m. UTC 
From: Fabio Estevam <festevam@denx.de>

Document the Microchip USB2514, USB2412, and USB2417 USB hubs.

Signed-off-by: Fabio Estevam <festevam@denx.de>
---
 .../bindings/usb/microchip,usb2514.yaml       | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
new file mode 100644
index 000000000000..8df7a5adfbe8
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
@@ -0,0 +1,53 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/microchip,usb2514.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip USB2514 Hub Controller
+
+maintainers:
+  - Fabio Estevam <festevam@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - usb424,2412
+      - usb424,2514
+      - usb424,2417
+
+  reg: true
+
+  reset-gpios:
+    description: GPIO connected to the RESET_N pin.
+
+  vdd-supply:
+    description: 3.3V power supply.
+
+  clocks:
+    description: External 24MHz clock connected to the CLKIN pin.
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: true
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx6qdl-clock.h>
+    #include <dt-bindings/gpio/gpio.h>
+
+    usb {
+        dr_mode = "host";
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        hub@1 {
+          compatible = "usb424,2514";
+          reg = <1>;
+          clocks = <&clks IMX6QDL_CLK_CKO>;
+          reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
+          vdd-supply = <&reg_3v3_hub>;
+        };
+    };