From patchwork Mon Jun 6 12:41:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Kumar X-Patchwork-Id: 9158035 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 053F060572 for ; Mon, 6 Jun 2016 12:44:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EA86E2665D for ; Mon, 6 Jun 2016 12:43:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DF79125E13; Mon, 6 Jun 2016 12:43:59 +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 7C42E267EC for ; Mon, 6 Jun 2016 12:43:59 +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 1b9trd-0007nW-5j; Mon, 06 Jun 2016 12:42:41 +0000 Received: from mail-pf0-x22e.google.com ([2607:f8b0:400e:c00::22e]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b9trN-0007bS-JZ for linux-arm-kernel@lists.infradead.org; Mon, 06 Jun 2016 12:42:26 +0000 Received: by mail-pf0-x22e.google.com with SMTP id g64so66795075pfb.2 for ; Mon, 06 Jun 2016 05:42:05 -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=9ZteLPS60Qp2lBlszUd9Ch6ntWIr5bMjHtQ5fO/Ro00=; b=G93dQUaLRltwILH2la/vYkmDX02m73Q1D9iE3P7tN45Rnj9Lkpn+xd866WiaHT94vT A5/AfwJ3Mnuz8W85i6RX6COM/ok/eGFcO6Z9+tLVWeWGKhvPsEt+QTBk7gYkqT3q0B51 hJurM9VTxUOOepaYVRXgm62F6GOTz50sGfC4Y= 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=9ZteLPS60Qp2lBlszUd9Ch6ntWIr5bMjHtQ5fO/Ro00=; b=AQtB0oO5xQfwkOXNRGGf48wSAGudquAcLycPWIp9+La4Z6ziS6WN6V/x9bCUaFNpwT nL0p0EClDCC72zEDC+mTDUOFWrFYgd4o9v39ZtoLSNInHQrWQSM75WSmZQ6viRzD7v3+ VvkR/3gdlo7vKeFMDyCud9/8Z3jQtdo/oveQcgbf/X5lKuWoqPILGP7ju4HMgO7osCCg 2ucHzsf6AfuRE6s5duBn1R0vnwIik87AI3iSe565tgjRLRvcM94o6429mH//dQF8i6pZ 8k6hmrXw2ZsFwUuU7Hf/NEOyUFI09io9W4URRrZxXYFbh6A0hzCkDrCamU4C3jaRBx2D BPpQ== X-Gm-Message-State: ALyK8tJS6qzxkg1gsCi5ggbY951jE7agOfbzOSptrmAH66oBf1MnREvzT6sh4NpKEGRsKX3b X-Received: by 10.98.67.7 with SMTP id q7mr25393881pfa.70.1465216924566; Mon, 06 Jun 2016 05:42:04 -0700 (PDT) Received: from pramodku-OptiPlex-7010.ban.broadcom.com ([202.140.36.35]) by smtp.gmail.com with ESMTPSA id x71sm27594372pfj.43.2016.06.06.05.42.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 06 Jun 2016 05:42:04 -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 v4 3/7] binding: mdio-mux: Add DT binding doc for Broadcom MDIO bus multiplexer Date: Mon, 6 Jun 2016 18:11:36 +0530 Message-Id: <1465216900-11755-4-git-send-email-pramod.kumar@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465216900-11755-1-git-send-email-pramod.kumar@broadcom.com> References: <1465216900-11755-1-git-send-email-pramod.kumar@broadcom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160606_054225_845435_95F5A075 X-CRM114-Status: GOOD ( 13.78 ) 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>; + }; + }; + };