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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 05C4EC10F0E for ; Fri, 12 Apr 2019 10:28:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD92320850 for ; Fri, 12 Apr 2019 10:28:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="yPKfCE75" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727823AbfDLK2M (ORCPT ); Fri, 12 Apr 2019 06:28:12 -0400 Received: from mail-oi1-f196.google.com ([209.85.167.196]:42142 "EHLO mail-oi1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727579AbfDLK2K (ORCPT ); Fri, 12 Apr 2019 06:28:10 -0400 Received: by mail-oi1-f196.google.com with SMTP id w139so7498168oie.9 for ; Fri, 12 Apr 2019 03:28:09 -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=TVn8dSjjHAjnUPi8i4DcVyaJDVuLc6w06N90aexbdd8=; b=yPKfCE75VVrUcD6JiDsUWrln5V+ZYLYS+8l0jP5LCqSGqu1DYXF7Q8WELVIg7jB5M6 ywFTk3ftdjVjq7Bft/uzTliVctphixGmZx+fH76nVFz31EApMrGmSxucTWSD4vmWglqx YPxWfq3DpNIVyoqFmAx4ZrpBUVkNjDy1BRl8Cxfs3jdi54Uo0TeK7wH+y4PEpuhJSHwt dVJ9DT88yG1eCR00/j/RFMesIA7CYN/vA16svo34m0mbdgdmdVmC9qVV85lPjFmtsYIw gY1sPo9YlKs+A7NIozanwu/fGuY1MDffOZT8+FNK5nu21Hc8RMCOZi92C3gykJffuH8q MQ8Q== 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=TVn8dSjjHAjnUPi8i4DcVyaJDVuLc6w06N90aexbdd8=; b=KkC82pgGUBeR0vuJt+aMOKRI022sNSpVHR99KQjxHOi0STm9qjaCWoocFAWJpzqeOt 5dNDW9u2rZKeB4B1kWLCFp62Zj8jiv+AZw238ZzROT8ynYPwUzbVYFuLwvesr+my4Tff FxgUeKn3Cw2WSsni2iD08N7IpjD8U6KdmtYZpxm+ttSScqICRCMFyJlyP555NxDkIjvH oP0pz+Tg6NSVmk1h7R39/y63XfF/553V6GwezkLWUEvU14tI5eyI3vgDd/Xf48cPTaCm ysBL1MQGjRYcthLy1xRxQXWvmHjXOq3pL/e/UAusbHqxGNvyr2WM8Mbblbbr2bzLXhkn 6FJQ== X-Gm-Message-State: APjAAAWpRjheItJJ5W2Yp3gRa7r10GE/77XOXsrDU+pJC/FNqiN6aXL+ vynKZQiRkbJGGmxk7K/u5FfGpg== X-Google-Smtp-Source: APXvYqyNpwzetvHvKbpfxI/TTtuzwcmDeOwKsi2Stz2v950N9yfrCoqE+fb2dexrXKk4FqwsirmvPw== X-Received: by 2002:aca:5a89:: with SMTP id o131mr10258811oib.17.1555064889350; Fri, 12 Apr 2019 03:28:09 -0700 (PDT) Received: from localhost.localdomain (li808-42.members.linode.com. [104.237.132.42]) by smtp.gmail.com with ESMTPSA id 88sm17530692otj.3.2019.04.12.03.28.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 03:28:08 -0700 (PDT) From: Leo Yan To: Mathieu Poirier , Suzuki K Poulose , Rob Herring , Mark Rutland , Alexander Shishkin , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Leo Yan , Wanglai Shi Subject: [PATCH v5 3/4] dt-bindings: arm: coresight: Unify funnel DT binding Date: Fri, 12 Apr 2019 18:27:37 +0800 Message-Id: <20190412102738.12679-4-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190412102738.12679-1-leo.yan@linaro.org> References: <20190412102738.12679-1-leo.yan@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- .../devicetree/bindings/arm/coresight.txt | 53 +++++++++++++++++-- 1 file changed, 48 insertions(+), 5 deletions(-) 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>; -- 2.17.1