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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 S933096AbeFUASw (ORCPT ); Wed, 20 Jun 2018 20:18:52 -0400 Received: from mail-qt0-f194.google.com ([209.85.216.194]:45253 "EHLO mail-qt0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754439AbeFUASu (ORCPT ); Wed, 20 Jun 2018 20:18:50 -0400 Received: by mail-qt0-f194.google.com with SMTP id i18-v6so1330467qtp.12 for ; Wed, 20 Jun 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=Gb4Pdm2QqFbIguGcTHmoGZ+awF8acNwZlEFaB9WSCwQ=; b=Vdwa7Y8MHxkxYnMnYO0wy8EEKpQ+cjJbadsP8TDvpmi6HPR9SSS8vljgv9RhUiCT7I i+noW6ng4B0q5E3uFymaKK6rqzrvixwI98oQ1DVDb1+mjA843Xx+eNwSu62BLat4wAbS 4VZX4RhXqKL4ZGw8xErnO3Ag8+GYiZ03oHlFI= 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=Gb4Pdm2QqFbIguGcTHmoGZ+awF8acNwZlEFaB9WSCwQ=; b=mfLgT8G7YWDI0sCB0WKPvbGpdGACjHilYNyi/oNeZ6Ym+edM7Cli7589wunKHl12O1 6oBw+HwRxh8jveE5/lMdvM1Z1JVFozXlqFP0sSyvBso+XxNTfPuTrGUacgan6UNvj5W6 VYxndjUllmqpMUh8jy4CdD2Ffe9Kbb1yORPNWqQd/kAEXgZ5WZqk08FDozBdGzFumR2S IOVPw8KuZbj/QspzO/mvJFqoLTefJS72+Jo6Hr1lJ+ZL8Fk1bDuQpNPw8S8YOIv9Ikrv b1uQd0OXCowQSMec0TZXcH7UO+P8vNJCBkjkXl0JAEmG/Ensc9ok4cyI+/ACrhNoNbmr 4msg== X-Gm-Message-State: APt69E0d8G3cA0Ufwutw6PQjz4L8y39JVAnrXTTseyaXvd8sKqv0IK3G D1K/+t00NacveGEEplE8S/9ANQ== X-Google-Smtp-Source: ADUXVKLh4QCbzi9i8zM74HVFx4KTCM0Lgqq/+GwidK1N7Ox9YmC8q86FB+5nFrxNYEzJ6JNVedTrww== X-Received: by 2002:a0c:c111:: with SMTP id f17-v6mr20834567qvh.105.1529540328658; Wed, 20 Jun 2018 17:18:48 -0700 (PDT) Received: from lbrmn-lnxub44-1.ric.broadcom.com ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id t13-v6sm2778156qkt.53.2018.06.20.17.18.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 20 Jun 2018 17:18:47 -0700 (PDT) From: Ray Jui To: Kishon Vijay Abraham I Cc: linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Ray Jui Subject: [PATCH v2 1/2] dt-bindings: phy: Add binding doc for Stingray PCIe PHY Date: Wed, 20 Jun 2018 17:18:35 -0700 Message-Id: <1529540316-21706-2-git-send-email-ray.jui@broadcom.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1529540316-21706-1-git-send-email-ray.jui@broadcom.com> References: <1529540316-21706-1-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: Scott Branden --- .../devicetree/bindings/phy/brcm,sr-pcie-phy.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 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..c2eede6 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/brcm,sr-pcie-phy.txt @@ -0,0 +1,39 @@ +Broadcom Stingray PCIe PHY + +Required properties: +- compatible: must be "brcm,sr-pcie-phy" +- 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"; + 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