From mboxrd@z Thu Jan 1 00:00:00 1970 From: chenyu56@huawei.com (Yu Chen) Date: Tue, 24 Oct 2017 14:06:08 +0800 Subject: [RFC 1/3] USB: Add document for usb of Hikey960 In-Reply-To: <20171024060610.10712-1-chenyu56@huawei.com> References: <20171024060610.10712-1-chenyu56@huawei.com> Message-ID: <20171024060610.10712-2-chenyu56@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org DT bindings for usb of Hikey960. Signed-off-by: Yu Chen Signed-off-by: Ning Fan Signed-off-by: Di Yang Signed-off-by: Rui Li --- .../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 at ff200000 { + #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 at ff100000 { + 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