From patchwork Thu Mar 1 15:30:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amelie Delaunay X-Patchwork-Id: 10251717 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 56460602B5 for ; Thu, 1 Mar 2018 15:32:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 427392852C for ; Thu, 1 Mar 2018 15:32:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3702C28554; Thu, 1 Mar 2018 15:32:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A33422852C for ; Thu, 1 Mar 2018 15:32:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TmCAo/6iCbxXT5TeCrF6oiEaoQO2QtGFxiWZniHQjZg=; b=Yz0/t3piqGYZ6X xRARC/BzQgmIvyGY0r+yrm3RL5zRmhCKvC2iIDe/6y1rvav5ZERuxntrRz+YvQyzGdHLtbk3DKD6y 3kYLvsagt0ReUPLIQaDzIOETaT67LWt1y2FXaeTYJMDWUUlwxRRKoTrp96gmtD70GMuG6u4jqaesw rx6Gd7N8z5r26Z9CxxJgZSRhEUTb7RxK61Q6tQ5xnaITXHGEt27LjLtZVQg0Pc81mXf8OUgJM9feU AgG8t+WLotHmZkXyo0kOm45kf85Kb19Hox4oxHv/6PNhxCZcpJIxNEAewE9zHqRbt9n4aUz+oBiTV sEakaJQ+MwCQDIQCrLQQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1erQBu-0003T0-TP; Thu, 01 Mar 2018 15:32:18 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1erQAo-0002rY-RY for linux-arm-kernel@lists.infradead.org; Thu, 01 Mar 2018 15:32:15 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id w21FTXOE029334; Thu, 1 Mar 2018 16:30:52 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2gbwb1dfb0-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 01 Mar 2018 16:30:52 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3FB7C41; Thu, 1 Mar 2018 15:30:51 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 169C1509B; Thu, 1 Mar 2018 15:30:51 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.94) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.352.0; Thu, 1 Mar 2018 16:30:50 +0100 Received: from localhost (10.201.20.5) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Thu, 1 Mar 2018 16:30:50 +0100 From: Amelie Delaunay To: Rob Herring , Mark Rutland , Kishon Vijay Abraham I , Alexandre Torgue , Maxime Coquelin Subject: [PATCH v2 1/2] dt-bindings: phy: add support for STM32 USB PHY Controller (USBPHYC) Date: Thu, 1 Mar 2018 16:30:44 +0100 Message-ID: <1519918245-17333-2-git-send-email-amelie.delaunay@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1519918245-17333-1-git-send-email-amelie.delaunay@st.com> References: <1519918245-17333-1-git-send-email-amelie.delaunay@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.20.5] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-03-01_08:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180301_073111_773677_B8A7E189 X-CRM114-Status: GOOD ( 15.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Amelie Delaunay , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the device tree bindings description for STM32 USBPHYC (USB PHY Controller). Signed-off-by: Amelie Delaunay --- .../devicetree/bindings/phy/phy-stm32-usbphyc.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.txt diff --git a/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.txt b/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.txt new file mode 100644 index 0000000..1ad3893 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-stm32-usbphyc.txt @@ -0,0 +1,46 @@ +STMicroelectronics STM32 USB HS PHY controller + +The STM32 USBPHYC block contains a dual port High Speed UTMI+ PHY and a UTMI +switch. It controls PHY configuration and status, and the UTMI+ switch that +selects either OTG or HOST controller for the second PHY port. It also sets +PLL configuration. + +USBPHYC + |_ PLL + | + |_ PHY port#1 _________________ HOST controller + | _ | + | / 1|________________| + |_ PHY port#2 ----| |________________ + | \_0| | + |_ UTMI switch_______| OTG controller + + +Required properties: +- compatible: must be "st,stm32mp1-usbphyc" +- reg: address and length of the usb phy control register set +- clocks: phandle + clock specifier for the PLL phy clock +- phy-supply: from the generic phy bindings, phandle to the regulator + providing 3V3 power to the PHY, see phy-bindings.txt +- vdda1v1-supply: phandle to the regulator providing 1V1 power to the PHY +- vdda1v8-supply: phandle to the regulator providing 1V8 power to the PHY + +Optional properties: +- assigned-clocks: phandle + clock specifier for the PLL phy clock +- assigned-clock-parents: the PLL phy clock parent +- resets: phandle + reset specifier +- st,utmi-switch: should be <0> or <1>, to select USB controller for PHY + port#2. If not specified, 0 is the default selection. + + +Example: + usbphyc: usb-phy@5a006000 { + compatible = "st,stm32mp1-usbphyc"; + reg = <0x5a006000 0x1000>; + clocks = <&rcc_clk USBPHY_K>; + resets = <&rcc_rst USBPHY_R>; + st,utmi-switch = <1>; + phy-supply = <&vdd_usb>; + vdda1v1-supply = <®11>; + vdda1v8-supply = <®18> + };