Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753147AbbHVBpe (ORCPT ); Fri, 21 Aug 2015 21:45:34 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:40570 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752841AbbHVBp3 (ORCPT ); Fri, 21 Aug 2015 21:45:29 -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 , Sergei Shtylyov , Kishon Vijay Abraham I Subject: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller Date: Sat, 22 Aug 2015 09:45:08 +0800 Message-ID: <1440207911-17666-3-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1440207911-17666-1-git-send-email-chunfeng.yun@mediatek.com> References: <1440207911-17666-1-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: 2643 Lines: 75 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 | 52 ++++++++++++++++++++++ 1 file changed, 52 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..8e6e463 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt @@ -0,0 +1,52 @@ +mt65XX xHCI + +The device node for Mediatek SOC usb3.0 host controller + +Required properties: + - compatible : should contain "mediatek,mt8173-xhci" + - reg : specifies physical base address and size of the registers, + the first one for MAC, the second for IPPC + - interrupts : interrupt used by the controller + - power-domains : a phandle to USB power domain node to control usb's + mtcmos + - vusb33-supply : regulator of usb avdd3.3v + + - clocks : a list of phandle + clock-specifier pairs, one for each + entry in clock-names + - clock-names : must contain + "sys_ck": for clock of xHCI MAC + "wakeup_deb_p0": for usb wakeup debounce clock of port0 + "wakeup_deb_p0": for usb wakeup debounce clock of port1 + + - phys : a list of phandle + phy specifier pairs + - usb3-lpm-capable : supports USB3 LPM + - mediatek,syscon-wakeup : phandle to syscon used 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 + +Optional properties: + - vbus-supply : Reference to the VBUS regulator; + +Example: +usb30: usb@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_ck", + "wakeup_deb_p0", + "wakeup_deb_p1"; + phys = <&phy_port0 PHY_TYPE_USB3>, + <&phy_port1 PHY_TYPE_USB2>; + vusb33-supply = <&mt6397_vusb_reg>; + vbus-supply = <&usb_p1_vbus>; + usb3-lpm-capable; + mediatek,syscon-wakeup = <&pericfg>; + mediatek,wakeup-src = <1>; + 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/