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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 C1F44C10F13 for ; Mon, 8 Apr 2019 10:49:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 929CD20643 for ; Mon, 8 Apr 2019 10:49:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726559AbfDHKtC (ORCPT ); Mon, 8 Apr 2019 06:49:02 -0400 Received: from foss.arm.com ([217.140.101.70]:46300 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725877AbfDHKtB (ORCPT ); Mon, 8 Apr 2019 06:49:01 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 102F2168F; Mon, 8 Apr 2019 03:49:01 -0700 (PDT) Received: from [10.37.12.66] (unknown [10.37.12.66]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EBAFC3F718; Mon, 8 Apr 2019 03:48:58 -0700 (PDT) Subject: Re: [PATCH v4 3/4] dt-bindings: arm: coresight: Unify funnel DT binding To: leo.yan@linaro.org, mathieu.poirier@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, shiwanglai@hisilicon.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20190406112145.15184-1-leo.yan@linaro.org> <20190406112145.15184-4-leo.yan@linaro.org> From: Suzuki K Poulose Message-ID: <7f63abef-76fc-a767-723d-caacc8da29ae@arm.com> Date: Mon, 8 Apr 2019 11:51:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20190406112145.15184-4-leo.yan@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/06/2019 12:21 PM, Leo Yan wrote: > 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-funnel", "arm,primecell"; (obsolete) > "arm,coresight-dynamic-funnel", "arm,primecell"; > > 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 | 52 +++++++++++++++++-- > 1 file changed, 48 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt > index f8f794869af2..f8ad11a17cd5 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 +25,11 @@ its hardware characteristcs. > discovered at boot time when the device is probed. > "arm,coresight-tmc", "arm,primecell"; > > - - Trace Funnel: > + - Trace Programmable Funnel, the compatible string > + "arm,coresight-funnel" is obsolete, keep it to support > + the old DT bindings: > "arm,coresight-funnel", "arm,primecell"; > + "arm,coresight-dynamic-funnel", "arm,primecell"; Same comments as the first patch here. > + 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 { Should we rename this to say dynamic_funnel@2004000 { ? > - compatible = "arm,coresight-funnel", "arm,primecell"; > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell"; > reg = <0 0x20040000 0 0x1000>; Rest looks fine to me. Suzuki 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=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 E11AEC10F13 for ; Mon, 8 Apr 2019 10:49:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B21C520883 for ; Mon, 8 Apr 2019 10:49:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="i046RAEk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B21C520883 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VTSSyV0vKwRvFOhHNF/mrzrNZU4kzY6/e+yLMsnq0TE=; b=i046RAEkCxipyYPEKpBCzkRFj bqwWxYdhyHGyLH+9yBEao1NBLdD/4b3X+p+iDPWVF3mCCraoMI9Gu2jfXGeELppbcTE+lc5JE7ANR bQPq0C5tjPvYa51sQwzxUckxIOTkRPo6NRGNop9RddXheZn7KmNHv+cFp9x5jeRBnJzRcnRw1BgV5 4N4HqboWhqNoSYRnh5QKjsfNZGqu5eYzGkvBlG4ar5sJy2pdaIR21/wLAompG6tLcVrdeLvNI2plk NnQjLlxUQkqvcfZYQ1u7dL75IZnIuCQiD6ZdEFkN1btI65hEwLliLFSnbBU7oLup8LL9VXIvFK471 i743R//8A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDRpo-0000o7-6a; Mon, 08 Apr 2019 10:49:04 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDRpl-0000nV-DX for linux-arm-kernel@lists.infradead.org; Mon, 08 Apr 2019 10:49:02 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 102F2168F; Mon, 8 Apr 2019 03:49:01 -0700 (PDT) Received: from [10.37.12.66] (unknown [10.37.12.66]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EBAFC3F718; Mon, 8 Apr 2019 03:48:58 -0700 (PDT) Subject: Re: [PATCH v4 3/4] dt-bindings: arm: coresight: Unify funnel DT binding To: leo.yan@linaro.org, mathieu.poirier@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, shiwanglai@hisilicon.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20190406112145.15184-1-leo.yan@linaro.org> <20190406112145.15184-4-leo.yan@linaro.org> From: Suzuki K Poulose Message-ID: <7f63abef-76fc-a767-723d-caacc8da29ae@arm.com> Date: Mon, 8 Apr 2019 11:51:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20190406112145.15184-4-leo.yan@linaro.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190408_034901_467692_953BED5B X-CRM114-Status: GOOD ( 24.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/06/2019 12:21 PM, Leo Yan wrote: > 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-funnel", "arm,primecell"; (obsolete) > "arm,coresight-dynamic-funnel", "arm,primecell"; > > 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 | 52 +++++++++++++++++-- > 1 file changed, 48 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt > index f8f794869af2..f8ad11a17cd5 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 +25,11 @@ its hardware characteristcs. > discovered at boot time when the device is probed. > "arm,coresight-tmc", "arm,primecell"; > > - - Trace Funnel: > + - Trace Programmable Funnel, the compatible string > + "arm,coresight-funnel" is obsolete, keep it to support > + the old DT bindings: > "arm,coresight-funnel", "arm,primecell"; > + "arm,coresight-dynamic-funnel", "arm,primecell"; Same comments as the first patch here. > + 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 { Should we rename this to say dynamic_funnel@2004000 { ? > - compatible = "arm,coresight-funnel", "arm,primecell"; > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell"; > reg = <0 0x20040000 0 0x1000>; Rest looks fine to me. Suzuki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel