From patchwork Fri Jun 10 05:33:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Kumar X-Patchwork-Id: 9168853 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 23B6B604DB for ; Fri, 10 Jun 2016 05:36:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12F4928319 for ; Fri, 10 Jun 2016 05:36:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07D392833F; Fri, 10 Jun 2016 05:36:39 +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=unavailable 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 8EC4928319 for ; Fri, 10 Jun 2016 05:36:38 +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 1bBF5u-0004Ho-G5; Fri, 10 Jun 2016 05:34:58 +0000 Received: from mail-pa0-x22f.google.com ([2607:f8b0:400e:c03::22f]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1bBF5c-0003ye-Pn for linux-arm-kernel@lists.infradead.org; Fri, 10 Jun 2016 05:34:42 +0000 Received: by mail-pa0-x22f.google.com with SMTP id b5so20184366pas.3 for ; Thu, 09 Jun 2016 22:34:20 -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=bJy+m7YoZJ49M4P2HYYFumRNCazb6BZeTrEAsGWwghM=; b=cRsAzkcrk2CEJXasn+APA+KL6QsuZSbLinWKfgTHPpA/cRTMdb8YqQkcqMIsJ+EpKc PTlVdTedJqWtZ96I3Xn9s4HeNhcwfCKgYhu7e3uVSnMQ2kL+Z39/l+g+A4QC0jKa+xdP 5EcABB6O9lsti/mmJ4esnFH2qp2/n/giAld3s= 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=bJy+m7YoZJ49M4P2HYYFumRNCazb6BZeTrEAsGWwghM=; b=V0onBaWZxdxU59TonGD0p0Gi3RsCcMpL7KcXjyTt9Fj7aaLQNsuca9qsNCJ1+shId3 2OK17gK+iYuIk0BWNIgW0A/4IIJuXi+YLYblBzzrxMoyYCZbwG444DLe6JvX5rp0j6Zk /kKiNcGra/OzKrH+HvJE9a7cNBKKKcAfPhWCntmKM+/lrN9o1VRGegIvQ6x9M8mMzlCA oFz4EzNPs5ZIdmOIGpvxDrKe0Fh0jlbJQn7Y6KxQevxIC8zpmYTZYPtAVC0Fe5r2pIjV VhoFfUkz5LPJzEBTZEsUkm8XR46nhZTWext3KPUEdRF+wo59dunj7uefJQLOTKKqSL6N 3qbQ== X-Gm-Message-State: ALyK8tLYQaO+oXWZsSqqZv3WzCkp5Gk5lzEfJ75hnYMgE3WzlZtEnsvF765s48WKbFTpM8NJ X-Received: by 10.66.159.163 with SMTP id xd3mr245595pab.23.1465536859771; Thu, 09 Jun 2016 22:34:19 -0700 (PDT) Received: from pramodku-OptiPlex-7010.ban.broadcom.com ([202.140.36.35]) by smtp.gmail.com with ESMTPSA id fd8sm14098515pac.23.2016.06.09.22.34.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 09 Jun 2016 22:34:19 -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 v5 3/7] binding: mdio-mux: Add DT binding doc for Broadcom MDIO bus multiplexer Date: Fri, 10 Jun 2016 11:03:47 +0530 Message-Id: <1465536831-13023-4-git-send-email-pramod.kumar@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465536831-13023-1-git-send-email-pramod.kumar@broadcom.com> References: <1465536831-13023-1-git-send-email-pramod.kumar@broadcom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160609_223441_005355_2432D3A0 X-CRM114-Status: GOOD ( 13.48 ) 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 multiplexer driver. Reviewed-by: Andrew Lunn Signed-off-by: Pramod Kumar Reviewed-by: Florian Fainelli Acked-by: Rob Herring --- .../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..dfe287a --- /dev/null +++ b/Documentation/devicetree/bindings/net/brcm,mdio-mux-iproc.txt @@ -0,0 +1,59 @@ +Properties for an MDIO bus multiplexer 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 transaction 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>; + }; + }; + };