From patchwork Fri Jun 3 16:03:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Kumar X-Patchwork-Id: 9153447 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 86AEE6074E for ; Fri, 3 Jun 2016 16:05:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 78B6D2780C for ; Fri, 3 Jun 2016 16:05:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6D2582832F; Fri, 3 Jun 2016 16:05:43 +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 348412780C for ; Fri, 3 Jun 2016 16:05:43 +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 1b8ra8-0006Vk-J9; Fri, 03 Jun 2016 16:04:20 +0000 Received: from mail-pf0-x233.google.com ([2607:f8b0:400e:c00::233]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8rZj-0006Gu-Su for linux-arm-kernel@lists.infradead.org; Fri, 03 Jun 2016 16:03:58 +0000 Received: by mail-pf0-x233.google.com with SMTP id f144so45010555pfa.3 for ; Fri, 03 Jun 2016 09:03:35 -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=W7w1GCfELyjqaTusKW9zexk8rjd8sOTjO3TR6pKL54r0rfrn9wR7ByO6WZ+Hg67wgC 8Dl6k75U5sdAfP6cR97TnViGXD4lAfnVBpVlPpa8Cd9AwMbs7NLmOl2UM4wgtvZ1XOmE bS77MhHewPOJ6pHsWlV21n8TJVFkIWy2l57Sk= 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=gxsa0V/7KC4L+FWU/wUb2WuKaxXcEd6TsC0pdUQq6fqZwdHquyxw5xFUNvDGPYhiGH YCs/RpUZN195/7ULwUnupbbuAtnjKK7TeQXwulOvkUMSrPLWfujQ2Tzt3tAMCKj/g0tr wX1sGWfe/Y0KpQ3EXMjIOVHw5c1kPcVFvqZTPlVF1XaQV6UxRYXHVwrKJFSzSE9Qw0YV 2OJJiq/uckTEBbfAxigieKlO47tRWakVCbzAlK8w5EqzXb+o1W0Ui4L3OSdmVp+pmB3f 1bCHNufwY65BMP8JIZ1N9T5mMdR/H21zAyrf1gQ4Un1x9YDc8Tx9gkBbEfFkOIyC7fuC grPg== X-Gm-Message-State: ALyK8tKOUEF56ZJI61wF9Kb1GYMit/jsaiKhlRP4I+VcFbOWkJe0ZiW3sR9A3uX1T49+gh0e X-Received: by 10.98.54.133 with SMTP id d127mr6985796pfa.104.1464969814744; Fri, 03 Jun 2016 09:03:34 -0700 (PDT) Received: from pramodku-OptiPlex-7010.ban.broadcom.com ([202.140.36.35]) by smtp.gmail.com with ESMTPSA id r64sm9427786pfi.54.2016.06.03.09.03.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 03 Jun 2016 09:03:34 -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 RESEND 3/7] binding: mdio-mux: Add DT binding doc for Broadcom MDIO bus mutiplexer Date: Fri, 3 Jun 2016 21:33:02 +0530 Message-Id: <1464969786-22742-4-git-send-email-pramod.kumar@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464969786-22742-1-git-send-email-pramod.kumar@broadcom.com> References: <1464969786-22742-1-git-send-email-pramod.kumar@broadcom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160603_090355_978036_1DD32311 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 --- .../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>; + }; + }; + };