linux-kernel - [PATCH v4 2/4] Documentation: dt-bindings: add dt binding info for hi6220

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Message-Id: <1423726646-30336-3-git-send-email-zhangfei.gao@linaro.org>
Date:	Thu, 12 Feb 2015 15:37:24 +0800
From:	Zhangfei Gao <zhangfei.gao@...aro.org>
To:	Kishon Vijay Abraham I <kishon@...com>, balbi@...com,
	mark.rutland@....com, Peter Chen <peter.chen@...escale.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	"dan . zhao" <dan.zhao@...ilicon.com>,
	Wangbinghui <wangbinghui@...ilicon.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
	Zhangfei Gao <zhangfei.gao@...aro.org>
Subject: [PATCH v4 2/4] Documentation: dt-bindings: add dt binding info for hi6220

Signed-off-by: Zhangfei Gao <zhangfei.gao@...aro.org>
---
 .../devicetree/bindings/usb/hi6220-usb.txt         | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/hi6220-usb.txt

diff --git a/Documentation/devicetree/bindings/usb/hi6220-usb.txt b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
new file mode 100644
index 0000000..b3a7b5a
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hi6220-usb.txt
@@ -0,0 +1,49 @@
+Hisilicon hi6220 SoC USB controller
+-----------------------------
+
+usb controller is inherited from dwc2, refer dwc2.txt
+-----
+
+Required properties:
+- compatible: "hisilicon,hi6220-usb"
+Refer to dwc2.txt for dwc2 usb properties
+
+
+PHY:
+-----
+
+Required properties:
+- compatible: "hisilicon,hi6220-usb-phy"
+- vcc-supply: phandle to the regulator that provides power to the PHY.
+- clocks: phandle and clock specifier of the PHY clock.
+- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
+- hisilicon,vbus-gpios: gpio of detecting vbus.
+- hisilicon,id-gpios: gpio of detecting id.
+
+Example:
+
+	sys_ctrl: syscon@...30000 {
+		compatible = "hisilicon,sysctrl", "syscon";
+	        reg = <0x0 0xf7030000 0x0 0x1000>;
+	};
+
+	usb_phy: usb-phy {
+		compatible = "hisilicon,hi6220-usb-phy";
+		vcc-supply = <&fixed_5v_hub>;
+		hisilicon,vbus-gpios = <&gpio2 6 0>;
+		hisilicon,id-gpios = <&gpio2 5 0>;
+		hisilicon,peripheral-syscon = <&sys_ctrl>;
+		clocks = <&clock_sys HI6220_USBOTG_HCLK>;
+	};
+
+	usb: usb@...c0000 {
+		compatible = "hisilicon,hi6220-usb";
+		reg = <0x0 0xf72c0000 0x0 0x40000>;
+		phys = <&usb_phy>;
+		dr_mode = "otg";
+		g-use-dma;
+		g-rx-fifo-size = <512>;
+		g-np-tx-fifo-size = <128>;
+		g-tx-fifo-size = <128>;
+		interrupts = <0 77 0x4>;
+	};
-- 
1.9.1

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