linux-kernel - [PATCH v3 2/5] Documentation: bindings: add doc for the Rockchip usb PHY

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Message-Id: <1418031988-2700-3-git-send-email-lyz@rock-chips.com>
Date:	Mon,  8 Dec 2014 17:46:25 +0800
From:	Yunzhi Li <lyz@...k-chips.com>
To:	heiko@...ech.de, dianders@...omium.org, romain.perier@...il.com
Cc:	olof@...om.net, huangtao@...k-chips.com, zyw@...k-chips.com,
	cf@...k-chips.com, linux-rockchip@...ts.infradead.org,
	Yunzhi Li <lyz@...k-chips.com>,
	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>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/5] Documentation: bindings: add doc for the Rockchip usb PHY

Document the bindings of the Rockchip usb PHY driver.

Signed-off-by: Yunzhi Li <lyz@...k-chips.com>
---

Changes in v3: None

 .../devicetree/bindings/phy/rockchip-usb-phy.txt   | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
new file mode 100644
index 0000000..4574696
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/rockchip-usb-phy.txt
@@ -0,0 +1,22 @@
+ROCKCHIP USB2 PHY
+
+Required properties:
+ - compatible: rockchip,rk3288-usb-phy
+ - rockchip,grf : phandle to the syscon managing the "general
+   register files"
+ - #phy-cells: must be 1
+
+Optional Properties:
+ - clocks : phandle + clock specifier for the phy clocks
+ - clock-names :
+		"usbphy0" - PHY clock for OTG controller
+		"usbphy1" - PHY clock for HOST0 controller
+		"usbphy2" - PHY clock for HOST1 controller
+
+Example:
+
+usbphy: phy {
+	#phy-cells = <1>;
+	compatible = "rockchip,rk3288-usb-phy";
+	rockchip,grf = <&grf>;
+};
-- 
2.0.0


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