linux-kernel - [PATCH v1 1/9] of: Add NVIDIA Tegra XUSB mailbox binding

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Message-Id: <1403072180-4944-2-git-send-email-abrestic@chromium.org>
Date:	Tue, 17 Jun 2014 23:16:12 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mathias Nyman <mathias.nyman@...el.com>,
	Grant Likely <grant.likely@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Kishon Vijay Abraham I <kishon@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Bresticker <abrestic@...omium.org>
Subject: [PATCH v1 1/9] of: Add NVIDIA Tegra XUSB mailbox binding

Add device-tree bindings for the Tegra XUSB mailbox which will be used
for communication between the Tegra XHCI controller and the host.

Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
---
 .../bindings/mailbox/nvidia,tegra124-xusb-mbox.txt | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt

diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt b/Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt
new file mode 100644
index 0000000..c1833e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt
@@ -0,0 +1,25 @@
+NVIDIA Tegra XUSB mailbox
+=========================
+
+The Tegra XUSB mailbox is used by the Tegra XHCI controller's firmware to
+communicate with the host.
+
+Required properties:
+--------------------
+ - compatible: Should be "nvidia,tegra124-xusb-mbox".
+ - reg: Address and length of the XUSB FPCI registers.
+ - interrupts: XUSB mailbox interrupt.
+
+Example:
+--------
+	mbox: mailbox@0,70098000 {
+		compatible = "nvidia,tegra124-xusb-mbox";
+		reg = <0x0 0x70098000 0x0 0x1000>;
+		interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	usb@0,70090000 {
+		...
+		nvidia,xusb-mbox = <&mbox>;
+		...
+	};
-- 
2.0.0.526.g5318336

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