From patchwork Fri Jun 3 15:26:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Kumar X-Patchwork-Id: 9153363 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 E169360221 for ; Fri, 3 Jun 2016 15:28:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D39D51FF45 for ; Fri, 3 Jun 2016 15:28:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C880A2832F; Fri, 3 Jun 2016 15:28:31 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id 853991FF45 for ; Fri, 3 Jun 2016 15:28:31 +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 1b8r0I-0007gy-KM; Fri, 03 Jun 2016 15:27:18 +0000 Received: from mail-pf0-x22a.google.com ([2607:f8b0:400e:c00::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8r03-0007WK-8E for linux-arm-kernel@lists.infradead.org; Fri, 03 Jun 2016 15:27:04 +0000 Received: by mail-pf0-x22a.google.com with SMTP id f144so44731591pfa.3 for ; Fri, 03 Jun 2016 08:26:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DhbMVOSgzu4KWzCNfR9W40eNl9HmUcJd62rSV3Ss6/w=; b=TZOfIWJ+XgEzwCLafD5wKDRB7WOo6yrPXI5dv0e3XMCJ5zxS9Ouf7EXucHdaurzS3R L48y1MSNG1TMoy4t+bkh53EBtTm+Jy9P5F8eD5xPw5FGYN6T+oyVW/YM8Z7IO+nbBpCs v8NwXYRL1ZJC2HwSk5vZ+caiaJgH3JQvrZdDQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DhbMVOSgzu4KWzCNfR9W40eNl9HmUcJd62rSV3Ss6/w=; b=gwan/zcWsJQmmLONu7NFl00UGap+aUw1wgoxmdftQ59EE17KT3tlFoA0//xDpyRzZa B3EcMHA97aorlJu92efBA9cxmymNPoh1yNRdP3dZZLi7a8kMRxD+5d5Ht1F66dKPP793 23rRXxQPN5zyBwjJgnX2ajwHj0GuIPOHygqqI7CWIWJscdSbf7atfKILRrKwUsfh66Qi NM6idAS9umpIi+yV/rgzPDZW2kIlEnfmbYh1n+tJ09QGqBAYEggR7rOzDgzGplv4T5G2 W174SEafKh/OsvWCJO4voPUUgwpBtOdNNuEe+KmRl2fUvasfCN3NksqWGZZBBICDFyBz jvvg== X-Gm-Message-State: ALyK8tKRQChUHi3qTlp3VwqdX/BeFPoYn6UkwEFFJ6z8DWE6Qvyne2S63yERX24ycgXv0GFN X-Received: by 10.98.200.215 with SMTP id i84mr6689728pfk.28.1464967601948; Fri, 03 Jun 2016 08:26:41 -0700 (PDT) Received: from pramodku-OptiPlex-7010.ban.broadcom.com ([202.140.36.35]) by smtp.gmail.com with ESMTPSA id u65sm9331112pfa.9.2016.06.03.08.26.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 Jun 2016 08:26:41 -0700 (PDT) From: Pramod Kumar To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Kishon Vijay Abraham I , "David S. Miller" Subject: [PATCH v3 3/7] binding: mdio-mux: Add DT binding doc for Broadcom MDIO bus mutiplexer Date: Fri, 3 Jun 2016 20:56:04 +0530 Message-Id: <1464967568-27562-4-git-send-email-pramod.kumar@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464967568-27562-1-git-send-email-pramod.kumar@broadcom.com> References: <1464967568-27562-1-git-send-email-pramod.kumar@broadcom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160603_082703_443124_F582D01B X-CRM114-Status: GOOD ( 13.77 ) 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: devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Pramod Kumar , bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 Add DT binding doc for Broadcom MDIO bus mutiplexer driver. Signed-off-by: Pramod Kumar Reviewed-by: Andrew Lunn --- .../bindings/net/brcm,mdio-mux-iproc.txt | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt diff --git a/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt b/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt new file mode 100644 index 0000000..7c53278 --- /dev/null +++ b/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt @@ -0,0 +1,59 @@ +Properties for an MDIO bus mutiplexer found in Broadcom iProc based SoCs. + +This MDIO bus multiplexer defines buses that could be internal as well as +external to SoCs and could accept MDIO transaction compatible to C-22 or +C-45 Clause. When child bus is selected, one needs to select these two +properties as well to generate desired MDIO trascation on appropriate bus. + +Required properties in addition to the generic multiplexer properties: + +MDIO multiplexer node: +- compatible: brcm,mdio-mux-iproc. + +Every non-ethernet PHY requires a compatible so that it could be probed based +on this compatible string. + +Additional information regarding generic multiplexer properties can be found +at- Documentation/devicetree/bindings/net/mdio-mux.txt + + +for example: + mdio_mux_iproc: mdio-mux@6602023c { + compatible = "brcm,mdio-mux-iproc"; + reg = <0x6602023c 0x14>; + #address-cells = <1>; + #size-cells = <0>; + + mdio@0 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + + pci_phy0: pci-phy@0 { + compatible = "brcm,ns2-pcie-phy"; + reg = <0x0>; + #phy-cells = <0>; + }; + }; + + mdio@7 { + reg = <0x7>; + #address-cells = <1>; + #size-cells = <0>; + + pci_phy1: pci-phy@0 { + compatible = "brcm,ns2-pcie-phy"; + reg = <0x0>; + #phy-cells = <0>; + }; + }; + mdio@10 { + reg = <0x10>; + #address-cells = <1>; + #size-cells = <0>; + + gphy0: eth-phy@10 { + reg = <0x10>; + }; + }; + };