From: Sergio Prado <sergio.prado@e-labworks.com>
To: gregkh@linuxfoundation.org, robh+dt@kernel.org,
mark.rutland@arm.com, balbi@kernel.org,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Subject: [PATCH 1/2] dt-bindings: usb: add DT binding for s3c2410 USB device controller
Date: Fri, 9 Dec 2016 17:06:39 -0200 [thread overview]
Message-ID: <1481310400-28676-2-git-send-email-sergio.prado@e-labworks.com> (raw)
In-Reply-To: <1481310400-28676-1-git-send-email-sergio.prado@e-labworks.com>
Adds the device tree bindings description for Samsung S3C2410 and
compatible USB device controller.
Signed-off-by: Sergio Prado <sergio.prado@e-labworks.com>
---
.../devicetree/bindings/usb/s3c2410-usb.txt | 28 ++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/s3c2410-usb.txt b/Documentation/devicetree/bindings/usb/s3c2410-usb.txt
index e45b38ce2986..4d3f9894c2d4 100644
--- a/Documentation/devicetree/bindings/usb/s3c2410-usb.txt
+++ b/Documentation/devicetree/bindings/usb/s3c2410-usb.txt
@@ -20,3 +20,31 @@ usb0: ohci@49000000 {
clocks = <&clocks UCLK>, <&clocks HCLK_USBH>;
clock-names = "usb-bus-host", "usb-host";
};
+
+Samsung S3C2410 and compatible USB device controller
+
+Required properties:
+ - compatible: Should be one of the following
+ "samsung,s3c2410-udc"
+ "samsung,s3c2440-udc"
+ - reg: address and length of the controller memory mapped region
+ - interrupts: interrupt number for the USB device controller
+ - clocks: Should reference the bus and host clocks
+ - clock-names: Should contain two strings
+ "usb-bus-gadget" for the USB bus clock
+ "usb-device" for the USB device clock
+
+Optional properties:
+ - samsung,vbus-gpio: If present, specifies a gpio that needs to be
+ activated for the bus to be powered.
+ - samsung,pullup-gpio: If present, specifies a gpio to control the
+ USB D+ pullup.
+
+usb1: udc@52000000 {
+ compatible = "samsung,s3c2440-udc";
+ reg = <0x52000000 0x100000>;
+ interrupts = <0 0 25 3>;
+ clocks = <&clocks UCLK>, <&clocks HCLK_USBD>;
+ clock-names = "usb-bus-gadget", "usb-device";
+ samsung,pullup-gpio = <&gpc 5 GPIO_ACTIVE_HIGH>;
+};
--
1.9.1
next prev parent reply other threads:[~2016-12-09 19:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-09 19:06 [PATCH 0/2] usb: gadget: s3c2410: add device tree support Sergio Prado
2016-12-09 19:06 ` Sergio Prado [this message]
2016-12-13 18:59 ` [PATCH 1/2] dt-bindings: usb: add DT binding for s3c2410 USB device controller Rob Herring
2016-12-17 12:50 ` Sergio Prado
2016-12-09 19:06 ` [PATCH 2/2] usb: gadget: s3c2410: allow probing from device tree Sergio Prado
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