From patchwork Thu Apr 30 22:06:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 201259 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 69C8CC47254 for ; Thu, 30 Apr 2020 22:06:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 43DB4214D8 for ; Thu, 30 Apr 2020 22:06:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="msohcg/+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728028AbgD3WG6 (ORCPT ); Thu, 30 Apr 2020 18:06:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728003AbgD3WG4 (ORCPT ); Thu, 30 Apr 2020 18:06:56 -0400 Received: from mail-ej1-x644.google.com (mail-ej1-x644.google.com [IPv6:2a00:1450:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B1EAC035494; Thu, 30 Apr 2020 15:06:56 -0700 (PDT) Received: by mail-ej1-x644.google.com with SMTP id q8so6016743eja.2; Thu, 30 Apr 2020 15:06:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=w1PEB75T9vhNli8IGbA8jki4mGo4pTtbkW42Phxv8eA=; b=msohcg/+zvVBWBp/LV/9TYGzKCx1tBKTA3R8ykh2656KuiULAoYBq/qDQWNyhp7bUB vnKvsVh3EYMDBjtiVoXT20Qhqvq9OadqGjNJTqJqUPc4dpp9qUs5C/CSCeSs6C56gjGv g22quSEm9H3XO/Bq6DKicQF30fbP700QU60s7m0LKlPYw6J7q9sAzocqqPi47QDTLHq7 e+1bcU68cj6yWpQMSZBfRvVBqx/yPPhG0hjzgDJZyuzy1unoKkidIdl6XwZGvMvZWeTE kT2mB+eguVoUmDll/o3IOK0VN0eMfEHMKnIEkQJTnnsIBLZ6Yi+MJl9e4E6WllD2bcaQ uRlQ== 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:mime-version:content-transfer-encoding; bh=w1PEB75T9vhNli8IGbA8jki4mGo4pTtbkW42Phxv8eA=; b=FWaYOYcVrnjDKCbpyIs2CZMi5BmrYTdjJKPn1xrGJhX2UDK3a83qjinIW+mbSjqFs7 GOHJZy8e7yKtrJfq+bczpFyd3BXCvQp1/cF0AuEirFQ5FF000QTkFcaUe7AJnFrjIY1Y ZMUuohlzsK4cFHLV2hhLG19zDTq74XmzncgFtVHUYDviImrM05uuIUkKJ76EitpnWl95 +8w44zDbWvPB+RZA0ez8GWkS77oBx9BNk4Yx/cUdOEC7M7EBf2BqXgbmvzeWF9GlQgkU gZMlQGni8opMmrDEhTHU60R4fwZGXxo0QDJ0DXdIFHE0dlwrBduhbAZmdC1pq+wWRwPK TRxQ== X-Gm-Message-State: AGi0PubemePKCcSzq4ihBIp+xUgBClP6YndZZTM+/IDuiRGyCc3u6mm0 2X5ndtd4B5Fh1sUz7caarqI= X-Google-Smtp-Source: APiQypKuDx3EydaEc0EcG2mW6wzDegIebMGM0I462nb1cc/jtaFvAb/PfwIeFV24N7HZ4h6JEs6Plg== X-Received: by 2002:a17:906:4dc8:: with SMTP id f8mr573477ejw.23.1588284415074; Thu, 30 Apr 2020 15:06:55 -0700 (PDT) Received: from Ansuel-XPS.localdomain ([79.37.253.240]) by smtp.googlemail.com with ESMTPSA id t17sm54185edq.88.2020.04.30.15.06.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2020 15:06:54 -0700 (PDT) From: Ansuel Smith To: Bjorn Andersson Cc: Ansuel Smith , Andy Gross , Bjorn Helgaas , Rob Herring , Mark Rutland , Stanimir Varbanov , Lorenzo Pieralisi , Andrew Murray , Philipp Zabel , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 08/11] devicetree: bindings: pci: document PARF params bindings Date: Fri, 1 May 2020 00:06:15 +0200 Message-Id: <20200430220619.3169-9-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200430220619.3169-1-ansuelsmth@gmail.com> References: <20200430220619.3169-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org It is now supported the editing of Tx De-Emphasis, Tx Swing and Rx equalization params on ipq8064. Document this new optional params. Signed-off-by: Ansuel Smith --- .../devicetree/bindings/pci/qcom,pcie.txt | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt index 6efcef040741..8cc5aea8a1da 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt @@ -254,6 +254,42 @@ - "perst-gpios" PCIe endpoint reset signal line - "wake-gpios" PCIe endpoint wake signal line +- qcom,tx-deemph-gen1: + Usage: optional (available for ipq/apq8064) + Value type: + Definition: Gen1 De-emphasis value. + For ipq806x should be set to 24. + +- qcom,tx-deemph-gen2-3p5db: + Usage: optional (available for ipq/apq8064) + Value type: + Definition: Gen2 (3.5db) De-emphasis value. + For ipq806x should be set to 24. + +- qcom,tx-deemph-gen2-6db: + Usage: optional (available for ipq/apq8064) + Value type: + Definition: Gen2 (6db) De-emphasis value. + For ipq806x should be set to 34. + +- qcom,tx-swing-full: + Usage: optional (available for ipq/apq8064) + Value type: + Definition: TX launch amplitude swing_full value. + For ipq806x should be set to 120. + +- qcom,tx-swing-low: + Usage: optional (available for ipq/apq8064) + Value type: + Definition: TX launch amplitude swing_low value. + For ipq806x should be set to 120. + +- qcom,rx0-eq: + Usage: optional (available for ipq/apq8064) + Value type: + Definition: RX0 equalization value. + For ipq806x should be set to 4. + * Example for ipq/apq8064 pcie@1b500000 { compatible = "qcom,pcie-apq8064", "qcom,pcie-ipq8064", "snps,dw-pcie";