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Message-ID: <20211024180628.2992108-2-piyush.mehta@xilinx.com>
Date: Sun, 24 Oct 2021 23:36:27 +0530
From: Piyush Mehta <piyush.mehta@...inx.com>
To: <gregkh@...uxfoundation.org>, <--to=robh+dt@...nel.org>,
<mka@...omium.org>, <ravisadineni@...omium.org>,
<stern@...land.harvard.edu>, <alcooperx@...il.com>,
<michal.simek@...inx.com>
CC: <piyush.mehta@...inx.com>, <linux-usb@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<git@...inx.com>, <sgoud@...inx.com>
Subject: [PATCH 1/2] dt-bindings: usb: misc: Add binding for Microchip usb2244 Controller
Microchip's USB224x family of Hi-Speed USB 2.0 flash media card controllers
provides an ultra-fast interface between a USB host controller and flash
media cards.
Add dt-bindings documentation for Microchip's usb2244 Controller.
USB224x is a USB 2.0 compliant ultra fast USB 2.0 multi-format,
SD/MMC, and MS Flash Media Controllers.
Signed-off-by: Piyush Mehta <piyush.mehta@...inx.com>
---
.../devicetree/bindings/usb/microchip,usb2244.yaml | 43 ++++++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/microchip,usb2244.yaml
diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2244.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2244.yaml
new file mode 100644
index 0000000..ecab0cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2244.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/microchip,usb2244.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Bindings for the Microchip USB2244 Ultra Fast USB-SD Controller
+
+description:
+ Microchip’s USB224x is a USB 2.0 compliant, Hi-Speed bulk only mass
+ storage class peripheral controller intended for reading and writing
+ to popular flash media from the xDPicture Card™, Memory Stick® (MS),
+ Secure Digital (SD), and MultiMediaCard™ (MMC) families.
+
+ USB224x is a flash media card reader solution fully compliant with the
+ USB 2.0 specification
+
+maintainers:
+ - Piyush Mehta <piyush.mehta@...inx.com>
+
+properties:
+ compatible:
+ const: microchip,usb2244
+
+ reset-gpios:
+ maxItems: 1
+ description:
+ The phandle and specifier for the GPIO that controls the RESET line of
+ flash media controller.
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ usb {
+ compatible = "microchip,usb2244";
+ reset-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
+ };
--
2.7.4
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