From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61252C6778F for ; Sat, 7 Jul 2018 00:18:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C390224D8 for ; Sat, 7 Jul 2018 00:18:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="ZywuTeKd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C390224D8 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932834AbeGGAS4 (ORCPT ); Fri, 6 Jul 2018 20:18:56 -0400 Received: from mail-qt0-f193.google.com ([209.85.216.193]:41293 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932769AbeGGASv (ORCPT ); Fri, 6 Jul 2018 20:18:51 -0400 Received: by mail-qt0-f193.google.com with SMTP id y20-v6so11344030qto.8 for ; Fri, 06 Jul 2018 17:18:50 -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=rH/8dYy2/B1xbTEnv0b4k1bCoDjEJvgNJWFChFL2PLM=; b=ZywuTeKdzmkW/9xsHyW62b6mkXB5Y7X9bC9EB8aiX6FX2uizFJq/QAQBtR6MYR8qJt rPpA1KBv65yFysheVddRZt7mO1BMzpnRt1bz1t1eVhGLZ2dqCG1J2Mp89ayOZwMQZfD4 eoGYjy87PfYXySB1XLXKDlRibCCXRRJODxwNc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=rH/8dYy2/B1xbTEnv0b4k1bCoDjEJvgNJWFChFL2PLM=; b=FoHbuRIVy+gFEXJk+Ax46pbbwLVo84g+UMFf+XMmEwE8UfsBLdJ0S20h9TkbN6lZGt jpjxA6BZgH4OX0jTN89EwtgguCtX0dReNyesajRxzBhaefqIoYV7spk5bmGYj7CtpUwx EPPNcNJrx+xxkc0rAoiOMaRDj52SQRBtAeBRBIJL5HGnwNXHgz6YhUlhKFm8a9+TTl7z bdWiPGL+lPDVuCa+Q5ZCLXki1tS0nKY6supq2BFOxrqh2Rn6WS1JyqPS0TYuj9MFAYII c3l6cObZ6tfsLd6zayFNKxhyXGr3J4TrCTK46yA0NauHJDxl+FbiZvoU10xjNpdkVdzL 09Xg== X-Gm-Message-State: APt69E2ur03r0YJ688DCkxPb2XDyh08a5IfV1l5fjU5mYjxYSJE2+1XI waz3QOB/ZWpGpQn85Iy+aeBYoA== X-Google-Smtp-Source: AAOMgpdY/HVDj+oZpC07AjqUpfb38Ii7nrjm/2/SgO1r5YSkcpP4yH8mkjhEXVGaByZQfh9tBt4bow== X-Received: by 2002:ac8:460b:: with SMTP id p11-v6mr11447137qtn.418.1530922730191; Fri, 06 Jul 2018 17:18:50 -0700 (PDT) Received: from lbrmn-lnxub44-1.ric.broadcom.com ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id m128-v6sm6385780qkd.33.2018.07.06.17.18.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 06 Jul 2018 17:18:49 -0700 (PDT) From: Ray Jui To: Kishon Vijay Abraham I , Rob Herring , Mark Rutland Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Ray Jui Subject: [PATCH v4 1/2] dt-bindings: phy: Add binding doc for Stingray PCIe PHY Date: Fri, 6 Jul 2018 17:18:32 -0700 Message-Id: <1530922713-22964-2-git-send-email-ray.jui@broadcom.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1530922713-22964-1-git-send-email-ray.jui@broadcom.com> References: <1530922713-22964-1-git-send-email-ray.jui@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add binding document for Stingray PCIe PHYs for both PAXB and PAXC based root complex Signed-off-by: Ray Jui Reviewed-by: Rob Herring --- .../devicetree/bindings/phy/brcm,sr-pcie-phy.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt diff --git a/Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt b/Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt new file mode 100644 index 0000000..e8d8228 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt @@ -0,0 +1,41 @@ +Broadcom Stingray PCIe PHY + +Required properties: +- compatible: must be "brcm,sr-pcie-phy" +- reg: base address and length of the PCIe SS register space +- brcm,sr-cdru: phandle to the CDRU syscon node +- brcm,sr-mhb: phandle to the MHB syscon node +- #phy-cells: Must be 1, denotes the PHY index + +For PAXB based root complex, one can have a configuration of up to 8 PHYs +PHY index goes from 0 to 7 + +For the internal PAXC based root complex, PHY index is always 8 + +Example: + mhb: syscon@60401000 { + compatible = "brcm,sr-mhb", "syscon"; + reg = <0 0x60401000 0 0x38c>; + }; + + cdru: syscon@6641d000 { + compatible = "brcm,sr-cdru", "syscon"; + reg = <0 0x6641d000 0 0x400>; + }; + + pcie_phy: phy@40000000 { + compatible = "brcm,sr-pcie-phy"; + reg = <0 0x40000000 0 0x800>; + brcm,sr-cdru = <&cdru>; + brcm,sr-mhb = <&mhb>; + #phy-cells = <1>; + }; + + /* users of the PCIe PHY */ + + pcie0: pcie@48000000 { + ... + ... + phys = <&pcie_phy 0>; + phy-names = "pcie-phy"; + }; -- 2.1.4