[PATCH v4 2/4] Documentation: dt-bindings: add dt binding info for hi6220
From: zhangfei.gao@linaro.org (Zhangfei Gao)
Date: 2015-02-12 07:37:52
Also in:
linux-devicetree, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.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 at f7030000 { + 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 at f72c0000 { + 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