From 9e85cdf6e535fa6286923c3014714f3f01b0d907 Mon Sep 17 00:00:00 2001 From: Jianguo Sun Date: Mon, 21 May 2018 16:39:50 +0300 Subject: [PATCH] dt-bindings: usb: add bindings doc for HiSilicon STB xHCI host controller This commit adds bindings doc for HiSilicon STB xHCI host controller. Signed-off-by: Jianguo Sun Signed-off-by: Mathias Nyman Reviewed-by: Rob Herring Signed-off-by: Greg Kroah-Hartman --- .../bindings/usb/hisilicon,histb-xhci.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/hisilicon,histb-xhci.txt diff --git a/Documentation/devicetree/bindings/usb/hisilicon,histb-xhci.txt b/Documentation/devicetree/bindings/usb/hisilicon,histb-xhci.txt new file mode 100644 index 0000000..f463349 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/hisilicon,histb-xhci.txt @@ -0,0 +1,45 @@ +HiSilicon STB xHCI + +The device node for HiSilicon STB xHCI host controller + +Required properties: + - compatible: should be "hisilicon,hi3798cv200-xhci" + - reg: specifies physical base address and size of the registers + - interrupts : interrupt used by the controller + - clocks: a list of phandle + clock-specifier pairs, one for each + entry in clock-names + - clock-names: must contain + "bus": for bus clock + "utmi": for utmi clock + "pipe": for pipe clock + "suspend": for suspend clock + - resets: a list of phandle and reset specifier pairs as listed in + reset-names property. + - reset-names: must contain + "soft": for soft reset + - phys: a list of phandle + phy specifier pairs + - phy-names: must contain at least one of following: + "inno": for inno phy + "combo": for combo phy + +Optional properties: + - usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM + - usb3-lpm-capable: determines if platform is USB3 LPM capable + - imod-interval-ns: default interrupt moderation interval is 40000ns + +Example: + +xhci0: xchi@f98a0000 { + compatible = "hisilicon,hi3798cv200-xhci"; + reg = <0xf98a0000 0x10000>; + interrupts = ; + clocks = <&crg HISTB_USB3_BUS_CLK>, + <&crg HISTB_USB3_UTMI_CLK>, + <&crg HISTB_USB3_PIPE_CLK>, + <&crg HISTB_USB3_SUSPEND_CLK>; + clock-names = "bus", "utmi", "pipe", "suspend"; + resets = <&crg 0xb0 12>; + reset-names = "soft"; + phys = <&usb2_phy1_port1 0>, <&combphy0 PHY_TYPE_USB3>; + phy-names = "inno", "combo"; +}; -- 2.7.4