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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 3E0F2D6B07A for ; Thu, 29 Jan 2026 16:16:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=4xPewrTnC4l+CyqXM/D4+J5wgsUznZXa4GHAq6URBUw=; b=GP+o8RyAxgOpcdWhwIbsDpMzzq VVCVo3d4m+eccEBi7j/1zTfVGTNwHoEfXMzd7WTbdnv+hjB6WqvpcClZQqTnGdCBfZ+6GIP6oeugA 2JVXfqA7npwpzMECubIvjCg6q9YSK26upvuAZD6UCdgOQMhh/c8lvA0apTgZdHtXDXY1Z+WxXJIeA 0qyRZdQeOdMgqB7jDcPwFN6s+eyeA3sOIDuC1Y1+/Zyyasz3kAqpmQMcXQjAVRiN8Mof/3HeJV2bw /+e9CNNRspUlL75YSHVnPzl4qol4z2ExVDYA2A9JGuBDDIuTSU9uIPe8ZcmkgHDEk8r/mCdIXyq4z I6SeJLrQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vlUhP-00000000KWE-36vb; Thu, 29 Jan 2026 16:16:51 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vlUhN-00000000KVt-2P98 for linux-arm-kernel@lists.infradead.org; Thu, 29 Jan 2026 16:16:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id C34A54063B; Thu, 29 Jan 2026 16:16:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85063C4CEF7; Thu, 29 Jan 2026 16:16:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769703408; bh=ZKh+gwOXIrHUXWgIsde1vq5TQv6RVWGnWv4kiXsAKJM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qPBuSKsG8T4BCOrEBRaDWr8MG+IzuvfSTZjfiuYNld26Igdxvp+JkV67AHJHQMOjE tcfnvilda9aCiR4vVSui0M8WxMjSRcVJSKjyE8pH8VdR9RiyEof8qoQftVKMWKuLUA VMwEpMoBhxgTZj/epqG8Ds9XLp5IWMW/039AmDx898PWnf05qKj4EPNVo0d7ReszNV L1COCTOGuT7VB/RLypoukJb/HjQz84NoC1+0+WWDUMeF5/hxM2fwD9EFxXzyxt/UA/ Sg0aStCqlUvW3E3MtZmzIn3zwXbAsDxfjr2KqjGQTZ1yNyAJnkx25yX750PtdkcBef 8DyFa8g0/YEEA== Date: Thu, 29 Jan 2026 10:16:47 -0600 From: Rob Herring To: Gatien CHEVALLIER Cc: Suzuki K Poulose , Mike Leach , James Clark , Krzysztof Kozlowski , Conor Dooley , Mathieu Poirier , Leo Yan , =?iso-8859-1?Q?Cl=E9ment?= Le Goffic , Linus Walleij , Maxime Coquelin , Alexandre Torgue , jens.wiklander@linaro.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH v5 03/12] dt-bindings: bus: document the stm32 debug bus Message-ID: <20260129161647.GA1176398-robh@kernel.org> References: <20260123-debug_bus-v5-0-90b670844241@foss.st.com> <20260123-debug_bus-v5-3-90b670844241@foss.st.com> <089559fd-3c9a-4ff4-8732-bb23fa907be8@foss.st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <089559fd-3c9a-4ff4-8732-bb23fa907be8@foss.st.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260129_081649_650122_565168E9 X-CRM114-Status: GOOD ( 19.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jan 28, 2026 at 03:23:45PM +0100, Gatien CHEVALLIER wrote: > Hello, > > Does this binding file satisfy the feedback received? Please check patchwork if you want to know the status of your patch. > > Thanks, > Gatien > > On 1/23/26 11:39, Gatien Chevallier wrote: > > Document the stm32 debug bus. The debug bus is responsible for > > checking the debug sub-system accessibility before probing any related > > drivers. > > > > Signed-off-by: Gatien Chevallier > > --- > > .../bindings/bus/st,stm32mp131-dbg-bus.yaml | 76 ++++++++++++++++++++++ > > 1 file changed, 76 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml b/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml > > new file mode 100644 > > index 000000000000..6c74433efbe3 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml > > @@ -0,0 +1,76 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/bus/st,stm32mp131-dbg-bus.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: STM32 Coresight bus > > + > > +maintainers: > > + - Gatien Chevallier > > + > > +description: > > + The STM32 debug bus is in charge of checking the debug configuration > > + of the platform before probing the peripheral drivers that rely on the debug > > + domain. > > + > > +properties: > > + compatible: > > + items: > > + - enum: > > + - st,stm32mp131-dbg-bus > > + - st,stm32mp151-dbg-bus > > + > > + "#address-cells": > > + const: 1 > > + > > + "#size-cells": > > + const: 1 > > + > > + ranges: > > + minItems: 1 > > + maxItems: 2 > > + > > + "#access-controller-cells": > > + const: 1 > > + description: > > + Contains the debug profile necessary to access the peripheral. > > + > > +patternProperties: > > + "@[0-9a-f]+$": > > + description: Debug related peripherals > > + type: object > > + > > + additionalProperties: true > > + > > + required: > > + - access-controllers > > + > > +required: > > + - "#access-controller-cells" > > + - "#address-cells" > > + - "#size-cells" > > + - compatible > > + - ranges > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include > > + > > + dbg_bus: bus@50080000 { > > + compatible = "st,stm32mp131-dbg-bus"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + #access-controller-cells = <1>; > > + ranges = <0x50080000 0x50080000 0x3f80000>; > > + > > + cti@50094000 { > > + compatible = "arm,coresight-cti", "arm,primecell"; > > + reg = <0x50094000 0x1000>; > > + clocks = <&rcc CK_DBG>; > > + clock-names = "apb_pclk"; > > + access-controllers = <&dbg_bus 0>; > > + }; > > + }; > > >