linux-kernel - [RFC 1/3] USB: Add document for usb of Hikey960

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Message-ID: <20171024060610.10712-2-chenyu56@huawei.com>
Date:   Tue, 24 Oct 2017 14:06:08 +0800
From:   Yu Chen <chenyu56@...wei.com>
To:     <chenyu56@...wei.com>, <xuwei5@...ilicon.com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <catalin.marinas@....com>, <will.deacon@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <arnd@...db.de>, <olof@...om.net>,
        <timur@...eaurora.org>, <khilman@...libre.com>,
        <gregory.clement@...e-electrons.com>, <narmstrong@...libre.com>,
        <yamada.masahiro@...ionext.com>, <robh@...nel.org>,
        <heiko@...ech.de>, <damm+renesas@...nsource.se>, <krzk@...nel.org>,
        <balbi@...nel.org>, <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <wangbinghui@...ilicon.com>, <suzhuangluan@...ilicon.com>
Subject: [RFC 1/3] USB: Add document for usb of Hikey960

DT bindings for usb of Hikey960.

Signed-off-by: Yu Chen <chenyu56@...wei.com>
Signed-off-by: Ning Fan <fanning4@...ilicon.com>
Signed-off-by: Di Yang <yangdi10@...ilicon.com>
Signed-off-by: Rui Li <lirui39@...ilicon.com>

---
 .../devicetree/bindings/usb/hisilicon-usb.txt      | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/hisilicon-usb.txt

diff --git a/Documentation/devicetree/bindings/usb/hisilicon-usb.txt b/Documentation/devicetree/bindings/usb/hisilicon-usb.txt
new file mode 100644
index 000000000000..dc4c460885d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hisilicon-usb.txt
@@ -0,0 +1,38 @@
+* HISILICON USB HUB
+
+Required properties:
+- compatible: One of the specific types :"hisilicon,hi3660-dwc3",
+			"hisilicon,gpio_hubv1","hisilicon,gpio_hubv2"
+
+Optional properties of devices using ISP1301:
+- transceiver: phandle of isp1301 - this helps the ISP1301 driver to find the
+               ISP1301 instance associated with the respective USB driver
+
+Example:
+
+	hisi_usb@...00000 {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		compatible = "hisilicon,hi3660-dwc3";
+		reg = <0x0 0xff200000 0x0 0x1000
+			 0x0 0xff100000 0x0 0x100000>;
+		ranges;
+		bc_again_flag = <0>;
+
+		clocks = <&crg_ctrl HI3660_CLK_ABB_USB>,
+			 <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>;
+		clock-names = "clk_usb3phy_ref", "aclk_usb3otg";
+		eye_diagram_param = <0x1c466e3>;
+		eye_diagram_host_param = <0x1c466e3>;
+		usb3_phy_cr_param = <0xb80>;
+		usb3_phy_host_cr_param = <0x980>;
+		usb3_phy_tx_vboost_lvl = <0x5>;
+
+		dwc3@...00000 {
+			compatible = "snps,dwc3";
+			reg = <0x0 0xff100000 0x0 0x100000>;
+			interrupts = <0 159 4>, <0 161 4>;
+			dr_mode = "otg";
+			maximum-speed = "super-speed";
+		};
+	};
\ No newline at end of file
-- 
2.11.GIT