From mboxrd@z Thu Jan 1 00:00:00 1970 From: chunfeng.yun@mediatek.com (Chunfeng Yun) Date: Wed, 8 Jul 2015 17:41:04 +0800 Subject: [PATCH v2 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller In-Reply-To: <1436348468-4126-1-git-send-email-chunfeng.yun@mediatek.com> References: <1436348468-4126-1-git-send-email-chunfeng.yun@mediatek.com> Message-ID: <1436348468-4126-3-git-send-email-chunfeng.yun@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org add a DT binding documentation of xHCI host controller for the MT8173 SoC from Mediatek. Signed-off-by: Chunfeng Yun --- .../devicetree/bindings/usb/mt8173-xhci.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt new file mode 100644 index 0000000..94cec94 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt @@ -0,0 +1,27 @@ +MT65XX xhci + +The device node for Mediatek SOC usb3.0 host controller + +Required properties: + - compatible : supports "mediatek,mt8173-xhci" + - reg : Offset and length of registers + - interrupts : Interrupt mode, number and trigger mode + - reg-vusb33-supply: regulator of usb avdd3.3v + - reg-vbus-supply : regulator of vbus; + - usb-phy : the phy that xhci will bind + - usb3-lpm-capable: supports USB3 LPM + - clocks : must support all clocks that xhci needs + - clock-names: should be "sys_mac" for sys and mac clocks + +Example: +usb: usb30 at 11270000 { + compatible = "mediatek,mt8173-xhci"; + reg = <0 0x11270000 0 0x1000>; + interrupts = ; + reg-vusb33-supply = <&mt6397_vusb_reg>; + reg-vbus-supply = <&usb_p1_vbus>; + usb-phy = <&u3phy>; + usb3-lpm-capable; + clocks = <&topckgen CLK_TOP_USB30_SEL>; + clock-names = "sys_mac"; +}; -- 1.8.1.1.dirty