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spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752965AbeGDSWf (ORCPT ); Wed, 4 Jul 2018 14:22:35 -0400 Received: from mail-qt0-f196.google.com ([209.85.216.196]:39702 "EHLO mail-qt0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752874AbeGDSWa (ORCPT ); Wed, 4 Jul 2018 14:22:30 -0400 Received: by mail-qt0-f196.google.com with SMTP id q12-v6so5192044qtp.6 for ; Wed, 04 Jul 2018 11:22:30 -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=u+F3y+yYo9Cwzf0kOPkoirfjGTzJkpMSd3SOiIee9qw=; b=NMnt9+d+5d2fpX42G8z52sOztaJdti2BTu4vpTRWcgdcy54FrgFzFMvI5AazwEbkL9 D2fo1npD5rcNrfaUi5PoXfxyVXi2THrBJIIzIx5eBnc+A/6ftpcQS+TZXnwOvw+t8q2I MPSRcy4VmXz1lJQt1t6x+4KQOFTnkT+eFaW94= 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=u+F3y+yYo9Cwzf0kOPkoirfjGTzJkpMSd3SOiIee9qw=; b=ULG9RDu7WZpcfgO/9YSC1d2ChhjfwxyZt8f8r3ZnCRPF1Ju+2K1rLtqlgaiG+x8qx0 MnK3KUrKB9oE0DeVWZvpcVIGbmTIT9np1q2PKrSwAIvc16ptILO6MNq5QH2/Zq+ak/AV GAUvlmQVZ8+NO8ieeXF+Ofckf3BMdJEV0SAiHsZXMsN4fIqV/+CVa8DJHYSpBRZcjXpF FAOyAs/8U58FKYHzzDXERbMboQhbiOI2AQO8vs+J1Xbix8qX4nnf5MoeScuAw1qh87cP HQGAntW7gkO/SQ4vUC2wvzoYLluj6b6RD9xMqN3hiSqmIDKeWxkleGEyfW3H+XSIu7Tx thZw== X-Gm-Message-State: APt69E1OX+cunAA/MyONkqTtovQJd3cI2rdY7aNPVKSBdWuYbl9CkHkw qxTi4c1qMfGaBGLrL1tz6R6E5Q== X-Google-Smtp-Source: AAOMgpeipMrm/9oxh5OETgP2LJ/K5hHGOcwASM9c/GsLKoKmKkdT+76OKBNuY9FlUkQIRNlAzOnEjQ== X-Received: by 2002:a0c:c309:: with SMTP id f9-v6mr2592625qvi.104.1530728549692; Wed, 04 Jul 2018 11:22:29 -0700 (PDT) Received: from lbrmn-lnxub44-1.ric.broadcom.com ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id p56-v6sm3485249qtc.7.2018.07.04.11.22.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 04 Jul 2018 11:22:28 -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 v3 1/2] dt-bindings: phy: Add binding doc for Stingray PCIe PHY Date: Wed, 4 Jul 2018 11:22:12 -0700 Message-Id: <1530728533-28770-2-git-send-email-ray.jui@broadcom.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1530728533-28770-1-git-send-email-ray.jui@broadcom.com> References: <1530728533-28770-1-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 --- .../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..5a13511 --- /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 { + 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