From patchwork Wed Jan 15 10:38:49 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 857829 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 18C761E98F8; Wed, 15 Jan 2025 10:44:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736937857; cv=none; b=Y8ZPHcpUjqar3UJOs0lWxTke3CT57rvyXhiZOIaCX5yA25Ttzg3aTRpT1OZ9mrT+m1YSpHzJfu0LABpvLln0H3M5tV8Ku56iqLj6Ms8gdZ9awCaK6fTY8g8ZNau/aK3ZJX86HEwymt2h/tc3E9XmFptwptmSY0r7u4ALFeAt2tc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736937857; c=relaxed/simple; bh=YreGTaxToDhQTEYAOnwnnG5rnM3YMzUqjJ3eF3dQMAI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=c9TWDHdAZyRzVYgDBGC7qtiVozmaN9vqzpHFrND49Rw1VLkAB+q3JnzNmcfrMggb0KhH7y830LLcGm7tBEQjiIcDE/HM9OSC671RQY/d2xZSnxfWOVwKj7+XuANeZbKFMdSOZZlKBDuiFnxLTg59eB7PaBzM+a7cgw/WjivCOSo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-CSE-ConnectionGUID: 7b5Glj5nSg2tW4vtWLWFtQ== X-CSE-MsgGUID: XJL4LDtGSgSnFQRTDv51hQ== Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 15 Jan 2025 19:39:05 +0900 Received: from localhost.localdomain (unknown [10.226.93.251]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 1E681422D9AD; Wed, 15 Jan 2025 19:39:00 +0900 (JST) From: Biju Das To: Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Biju Das , Geert Uytterhoeven , Magnus Damm , Wolfram Sang , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH 0/5] Add support for RZ/G3E WDT Date: Wed, 15 Jan 2025 10:38:49 +0000 Message-ID: <20250115103858.104709-1-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The RZ/G3E WDT IP is similar to RZ/V2H WDT. WDT0 can be used for CM33 cold reset, system reset and asserting WDTUDFCM pin where as WDT1 can be used for CA55 cold reset, system reset and asserting WDTUDFCA pin. Other 2 watchdogs can be used for system reset. So define WDT{1..3} in SoC dtsi. Biju Das (5): dt-bindings: watchdog: renesas,wdt: Document RZ/G3E support clk: renesas: r9a09g047: Add WDT clocks/resets watchdog: Make RZV2HWDT driver depend on ARCH_R9A09G47 arm64: dts: renesas: r9a09g047: Add WDT1-WDT3 nodes arm64: dts: renesas: r9a09g047e57-smarc: Enable watchdog .../bindings/watchdog/renesas,wdt.yaml | 4 +++ arch/arm64/boot/dts/renesas/r9a09g047.dtsi | 30 +++++++++++++++++++ .../boot/dts/renesas/r9a09g047e57-smarc.dts | 4 +++ drivers/clk/renesas/r9a09g047-cpg.c | 15 ++++++++++ drivers/watchdog/Kconfig | 7 +++-- 5 files changed, 57 insertions(+), 3 deletions(-)