From patchwork Wed Jul 22 14:05:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 6844841 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 80DCEC05AC for ; Wed, 22 Jul 2015 14:44:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 956FE20544 for ; Wed, 22 Jul 2015 14:44:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A936D204EC for ; Wed, 22 Jul 2015 14:44:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZHvE4-0005nA-Sp; Wed, 22 Jul 2015 14:42:28 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZHvE2-0005l8-8H; Wed, 22 Jul 2015 14:42:26 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZHuqz-0002ju-AA; Wed, 22 Jul 2015 14:18:38 +0000 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 834369749; Wed, 22 Jul 2015 22:06:08 +0800 Received: from mhfsdcap03.mhfswrd (10.17.3.153) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Wed, 22 Jul 2015 22:06:06 +0800 From: Chunfeng Yun To: Mathias Nyman 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 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150722_151837_635545_C6F2848D X-CRM114-Status: GOOD ( 17.60 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Sascha Hauer , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Felipe Balbi , Chunfeng Yun , Rob Herring , linux-mediatek@lists.infradead.org, Daniel Kurtz , Matthias Brugger , John Crispin , linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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"; +};