From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-101.mailbox.org (mout-p-101.mailbox.org [80.241.56.151]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 218471DDC3F; Sat, 28 Mar 2026 00:00:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.151 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774656050; cv=none; b=FG3PHweBo1IncxlrbTFyy1NiVZ7bvlt9s/v3YO0Gm/bj71Yhu/3NSyL1Lkk3PjZZZWK/6HVEBS96JKwhkV8GYK7D6edr1jBMnXnT3JVeNH6u9XyIw70WW5CiXzequ4EaJLU/CuA6A93WLCahcR8gKJlKadZ1BjQbmA9MmfFcATY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774656050; c=relaxed/simple; bh=Ma7qf4Ghg3Xy7ksMo/aJRgD6oQ1rf2LXAK6c4WP0ghU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Rbolzn2jvVA1c7LQozLrL+DEDZYKMxCZEcdKnmXZclYK0igQjFRsOJy2V2XjKHjIpYRyA0pRkBWGej/AHhzqhbVuPu4Up6ugOkQ1vtNXhN0QFpiCr4CUFBeDy6KLuCbwD+73hEKvDqzsleJli8VlT5kMyupEZYolUFO3GamlbSA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=LzNm66yl; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=eQMABPFX; arc=none smtp.client-ip=80.241.56.151 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="LzNm66yl"; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="eQMABPFX" Received: from smtp202.mailbox.org (smtp202.mailbox.org [10.196.197.202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-101.mailbox.org (Postfix) with ESMTPS id 4fjHht0Prlz9tRh; Sat, 28 Mar 2026 01:00:46 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1774656046; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=uxIhcQz+uY8xYqeubQmy4zBk41bpC9NrLZw4sfycZOY=; b=LzNm66ylRz4LcX64+RAFF0FHI2UPUtxR/N47b5zpZuBoGznrWTYNCqMRaa4PaLZTUsxUkZ wBrSZ4jf5RrdH52gHBuEhVpzzTC0AtfuRfBsxnEWQdvkB/TZsTu32eNvx4p0yygGwvXtEM U3x/j5zSJoDBLgO+aobn5OOl7VAzZWofC/CtaYF0s7j4Pdavl9X7Jc8ZOwtSwVUMk0Mtux Vn8mDPto9JElZiYS5OvTm735TVWL91VymMNrvU/iLc/ATZKW9W9TMmoOjue5JVNCh38YnE vhX5Lrd8GvsY50AX6Jq8D5t3DCB4XYs4yYW2l4En/nJswsOwObT/QHXSCpS5IA== From: Marek Vasut DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1774656044; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=uxIhcQz+uY8xYqeubQmy4zBk41bpC9NrLZw4sfycZOY=; b=eQMABPFXIdFolBWrjZe5+adNdsZNjOLepTSQBJu1X8Ui+6OJLSG+YGVqxPsbYoBK7or8Vs hCO+AWJq+UNVKbEdIiDDAWtUe9KPFt2mTGpQ5s6QQOMum4XAgrQLbO+rTf8QfhBcLS55Vv J+qWGlxJ8lJRtCSkXubDtWx4EZsXzFuTihmmjGTzhdHi4IgFrmzT4+xWDqMc/IRKtIUTaW O5RgKbYz15SIYRxZ+XyHeRW4I+NBE12bEzKtANYkmFDKprWw3h2gGDVWzK4W9iCbuw9yjZ +bF+9zg/57yEHhVtdLUxNgcfHkyIqF4jxy2kX+Ekc+dX36sIgWhtrbujc+DtQg== To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Magnus Damm , Michael Turquette , Rob Herring , Stephen Boyd , devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [RFC][PATCH 0/4] Describe coresight on R-Mobile A1 Date: Sat, 28 Mar 2026 00:58:17 +0100 Message-ID: <20260328000031.94645-1-marek.vasut+renesas@mailbox.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-MBO-RS-META: rn6667sx9porg5ch1mgt7kwc9376sh86 X-MBO-RS-ID: d6eb57af618263a1f46 Implement support for ZT trace bus and ZTR trace clock on R-Mobile A1. Describe coresight topology on R-Mobile A1. Extend the current PTM node with connection funnel, TPIU, ETB and replicator. The coresight on this hardware is clocked from the ZT/ZTR trace clock. Please note that this is written according to R-Mobile A1 User's Manual: Hardware , Rev.2.00 Sep. 2013 . I currently do not have access to this hardware, therefore I am sending this as an RFC patchset. Marek Vasut (4): dt-bindings: clock: renesas,cpg-clocks: Document ZT/ZTR trace clock on R-Mobile A1 clk: renesas: r8a7740: Implement ZT/ZTR trace clock on R-Mobile A1 ARM: dts: renesas: r8a7740: Add ZT/ZTR trace clock on R-Mobile A1 ARM: dts: renesas: r8a7740: Describe coresight on R-Mobile A1 .../bindings/clock/renesas,cpg-clocks.yaml | 8 +- arch/arm/boot/dts/renesas/r8a7740.dtsi | 120 +++++++++++++++++- drivers/clk/renesas/clk-r8a7740.c | 2 + include/dt-bindings/clock/r8a7740-clock.h | 2 + 4 files changed, 123 insertions(+), 9 deletions(-) --- Cc: Conor Dooley Cc: Geert Uytterhoeven Cc: Krzysztof Kozlowski Cc: Magnus Damm Cc: Michael Turquette Cc: Rob Herring Cc: Stephen Boyd Cc: devicetree@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org -- 2.53.0