Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965480AbbGVOGS (ORCPT ); Wed, 22 Jul 2015 10:06:18 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:56681 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S965406AbbGVOGK (ORCPT ); Wed, 22 Jul 2015 10:06:10 -0400 X-Listener-Flag: 11101 From: Chunfeng Yun To: Mathias Nyman CC: Rob Herring , Mark Rutland , Matthias Brugger , Felipe Balbi , Chunfeng Yun , Sascha Hauer , , , , Roger Quadros , , , John Crispin , Daniel Kurtz Subject: [PATCH v3 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller Date: Wed, 22 Jul 2015 22:05:42 +0800 Message-ID: <1437573945-31586-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1437573945-31586-1-git-send-email-chunfeng.yun@mediatek.com> References: <1437573945-31586-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2654 Lines: 73 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 | 50 ++++++++++++++++++++++ 1 file changed, 50 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..444494d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt @@ -0,0 +1,50 @@ +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 + - power-domains: to enable usb's mtcmos + - vusb33-supply: regulator of usb avdd3.3v + - clocks : must support all clocks that xhci needs + - clock-names: should be "sys_mac" for sys and mac clocks, and + "wakeup_deb_p0", "wakeup_deb_p1" for wakeup debounce control + clocks + - phys : the phys that xhci will bind, currently supports up to two + phys, so phy index should not greater than one. + - phy-names : should be "phy-X" format, X equals to 0 or 1 + - usb3-lpm-capable: supports USB3 LPM + - mediatek,usb-wakeup: to access usb wakeup control register + - mediatek,wakeup-src: 1: ip sleep wakeup mode; 2: line state wakeup + mode; others means don't enable wakeup source of usb + - mediatek,u2port-num: the number should not greater than the number + of phys + +Optional properties: + - vbus-supply : reference to the VBUS regulator; + +Example: +usb: usb30@11270000 { + compatible = "mediatek,mt8173-xhci"; + reg = <0 0x11270000 0 0x4000>, + <0 0x11280000 0 0x0800>; + interrupts = ; + power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>; + clocks = <&topckgen CLK_TOP_USB30_SEL>, + <&pericfg CLK_PERI_USB0>, + <&pericfg CLK_PERI_USB1>; + clock-names = "sys_mac", + "wakeup_deb_p0", + "wakeup_deb_p1"; + phys = <&u3phy 0>, <&u3phy 1>; + phy-names = "phy-0", "phy-1"; + vusb33-supply = <&mt6397_vusb_reg>; + vbus-supply = <&usb_p1_vbus>; + usb3-lpm-capable; + mediatek,usb-wakeup = <&pericfg>; + mediatek,wakeup-src = <1>; + mediatek,u2port-num = <2>; + status = "okay"; +}; -- 1.8.1.1.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/