From patchwork Thu May 2 16:54:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 163274 Delivered-To: patch@linaro.org Received: by 2002:a92:7e86:0:0:0:0:0 with SMTP id q6csp5963209ill; Thu, 2 May 2019 09:54:21 -0700 (PDT) X-Google-Smtp-Source: APXvYqwtrABBuUP8LD+aRElmorH8ttjUVJHWQVQ0SBH0PXBJc5KGEW2Efoqpzqlm0K9R7drxH+51 X-Received: by 2002:aa7:9095:: with SMTP id i21mr5500939pfa.134.1556816061171; Thu, 02 May 2019 09:54:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556816061; cv=none; d=google.com; s=arc-20160816; b=LWq0U61giyaA/gduWMT2oDY0+vWNGlMlU+rcu8QALb19arPw3bx6CC/S6hNyibVq3c +Xt87n13Z8T8YXHVdtGzruqbbqzJA7zZ5Hz/WK8y8Sf1mQYx9UtfeQi1RcW+bNhZTw6t qPk98TT02E+HAUZPPiMNj9obao9x+g6EGBRMpkS/iV8IHTZhq3Y3xA254yL2uKD5TBuS ewdh2pH5I5PSq25xRBP/srqE120mdKll4sVF3rtgGA7uXl7k8sn7/HOxoXnVcG5WuLXm 5YG+SEPWdkGEW+oF56nAskDZYL4YMFSwKYjWTtRATi0sw9R46i90Xk5VVmgh6F0U8VoO 4Olg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature; bh=tTIyE5NXuHrlOq5gllPk+Q5yU0dC0cT6YPpzWkGZKrk=; b=wwfOxr6hCtFKC0ND/V7AQs9881L6zdIFSe0RkSSZQeRQawu6KTHkpfa+KUgkgYrwdx ZahPrXmYj5hgfRsptnkeBMnKFw9f0EVV1CXeLnLsUVOuMQ7q/lILaRM8GWxrbFxjuh1e RRWYRcjUnUD+XWnRU92JyhMv9HPNJXr7x8RutZtlWUPVHp+z6ZIqBNv+PtrnZn8iHwZs 7b5P52t1tsNyrTeP6+Dv4LglUibVNJBJ5XdlvMGOuE8NfhaiYp3B/kigd/HxHxCpF6t3 l4mwrv49uHI9i3oZTUYt4vuzx3JHIEuO69y76ZdtFVNh9Vqw07sEKaHAhreGAOXCp9yQ Bs9g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=DfJSJp1E; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s4si37262945pgp.158.2019.05.02.09.54.20; Thu, 02 May 2019 09:54:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=DfJSJp1E; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726755AbfEBQyP (ORCPT + 30 others); Thu, 2 May 2019 12:54:15 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:42563 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726114AbfEBQyM (ORCPT ); Thu, 2 May 2019 12:54:12 -0400 Received: by mail-pg1-f195.google.com with SMTP id p6so1320503pgh.9 for ; Thu, 02 May 2019 09:54:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=tTIyE5NXuHrlOq5gllPk+Q5yU0dC0cT6YPpzWkGZKrk=; b=DfJSJp1E5/kYZAponh3b9l8qSiRbPxtIfigHy3nbt5ALTcLcgaq3O7Mf70m0HnH6gv dwMR/dRP5XZEE8vludrAZSeMdmUESQGZof734kmI3kTI+ZAFc+GRoVBos6FcRPjbAXRa HGTkFPehBpHI2uZJcRITrTaLsrG6K5BUlWGlSaTTKXYFUjnIoaqw2CBHJ4H7k8oO27C6 c7A+t/XB616J4l4XUFHcCJr5ufa6AHFXYto320cCRRTP8CpcdCsL4qQgymWg9Ksfi9Ap TavCrit12Yk8ETY8NTwpFfFkgI8zX+K6NGQlhTxDigh75NS1ZvxrPaZ9Nd16SQlkHjX+ BA0g== 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=tTIyE5NXuHrlOq5gllPk+Q5yU0dC0cT6YPpzWkGZKrk=; b=fytbJ2g4aHakhWkaalbCLiN+FZgcQKMzhLSXVH/p5XTbzSAd1GGOgnkbLJ4mQjfFb4 29VD3wmv56s35G1h+IG/RFJoGWsq1z3TBOFXJ110aPWx5YRlIzZ3Z8v7E6/URE3dFnVt s6bupQFBkqp99ax3Fa9Tp4rJ5QWnGqEvLBLlVvmKRvTus2iB355W17XXcuYlPceHwo2c Cc7R24DFkazW5zr/VkX2vjCATZ+LrKDqFlbJii8ITLyzF3owS6Fmp69oWvWCkj3P4e+J aXWBwD9QvzYAS5LuauRMvvcaLxXadn3e6k1a+rNsgI8J1On9pziBZdCw/7Z4zqaSSSSU WnSw== X-Gm-Message-State: APjAAAXTGA14AxNP3fFJDIgouN0YjXxW0MoCBd4H6uRu/Nca3CXjNKgr YWkTrIj9se74GcKYZoOZynmM4A== X-Received: by 2002:a63:20f:: with SMTP id 15mr4899953pgc.90.1556816051299; Thu, 02 May 2019 09:54:11 -0700 (PDT) Received: from xps15.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id j2sm69949pff.77.2019.05.02.09.54.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 May 2019 09:54:10 -0700 (PDT) From: Mathieu Poirier To: gregkh@linuxfoundation.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] dt-bindings: arm: coresight: Unify funnel DT binding Date: Thu, 2 May 2019 10:54:04 -0600 Message-Id: <20190502165405.31573-4-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190502165405.31573-1-mathieu.poirier@linaro.org> References: <20190502165405.31573-1-mathieu.poirier@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Leo Yan Following the same fashion with replicator DT binding, this patch is to unify the DT binding for funnel to support static and dynamic modes; finally we get the funnel DT binding as below: Before patch: Static funnel, aka. non-configurable funnel: Not supported; Dynamic funnel, aka. configurable funnel: "arm,coresight-funnel", "arm,primecell"; After patch: Static funnel: "arm,coresight-static-funnel"; Dynamic funnel: "arm,coresight-dynamic-funnel", "arm,primecell"; "arm,coresight-funnel", "arm,primecell"; (obsolete) At the end of this patch, it gives an example for static funnel DT binding, and updates the dynamic funnel example. Cc: Mathieu Poirier Cc: Suzuki K Poulose Cc: Wanglai Shi Signed-off-by: Leo Yan Reviewed-by: Suzuki K Poulose Reviewed-by: Rob Herring Signed-off-by: Mathieu Poirier --- .../devicetree/bindings/arm/coresight.txt | 53 +++++++++++++++++-- 1 file changed, 48 insertions(+), 5 deletions(-) -- 2.17.1 diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt index d02d160fa8ac..8a88ddebc1a2 100644 --- a/Documentation/devicetree/bindings/arm/coresight.txt +++ b/Documentation/devicetree/bindings/arm/coresight.txt @@ -8,7 +8,8 @@ through the intermediate links connecting the source to the currently selected sink. Each CoreSight component device should use these properties to describe its hardware characteristcs. -* Required properties for all components *except* non-configurable replicators: +* Required properties for all components *except* non-configurable replicators + and non-configurable funnels: * compatible: These have to be supplemented with "arm,primecell" as drivers are using the AMBA bus interface. Possible values include: @@ -24,8 +25,10 @@ its hardware characteristcs. discovered at boot time when the device is probed. "arm,coresight-tmc", "arm,primecell"; - - Trace Funnel: - "arm,coresight-funnel", "arm,primecell"; + - Trace Programmable Funnel: + "arm,coresight-dynamic-funnel", "arm,primecell"; + "arm,coresight-funnel", "arm,primecell"; (OBSOLETE. For + backward compatibility and will be removed) - Embedded Trace Macrocell (version 3.x) and Program Flow Trace Macrocell: @@ -65,7 +68,7 @@ its hardware characteristcs. "stm-stimulus-base", each corresponding to the areas defined in "reg". * Required properties for devices that don't show up on the AMBA bus, such as - non-configurable replicators: + non-configurable replicators and non-configurable funnels: * compatible: Currently supported value is (note the absence of the AMBA markee): @@ -74,6 +77,9 @@ its hardware characteristcs. "arm,coresight-replicator"; (OBSOLETE. For backward compatibility and will be removed) + - Coresight Non-configurable Funnel: + "arm,coresight-static-funnel"; + * port or ports: see "Graph bindings for Coresight" below. * Optional properties for ETM/PTMs: @@ -203,8 +209,45 @@ Example: }; }; + funnel { + /* + * non-configurable funnel don't show up on the AMBA + * bus. As such no need to add "arm,primecell". + */ + compatible = "arm,coresight-static-funnel"; + clocks = <&crg_ctrl HI3660_PCLK>; + clock-names = "apb_pclk"; + + out-ports { + port { + combo_funnel_out: endpoint { + remote-endpoint = <&top_funnel_in>; + }; + }; + }; + + in-ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + combo_funnel_in0: endpoint { + remote-endpoint = <&cluster0_etf_out>; + }; + }; + + port@1 { + reg = <1>; + combo_funnel_in1: endpoint { + remote-endpoint = <&cluster1_etf_out>; + }; + }; + }; + }; + funnel@20040000 { - compatible = "arm,coresight-funnel", "arm,primecell"; + compatible = "arm,coresight-dynamic-funnel", "arm,primecell"; reg = <0 0x20040000 0 0x1000>; clocks = <&oscclk6a>;