From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 825252163BD; Fri, 9 May 2025 18:59:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746817140; cv=none; b=u2JLdl9BNW5B/bbsXfiR/d2erbGLlecfYxR9Vr00pm3NdRTMD8Q5AaT7Ncuyqfr6Whcdc4z6CIlUCnRIp9fn4g94fKlcvtTtv2lg/CN4OgucnOkQjR9eLYO67aMd+Y6wmh8BnbV+a2G5b50A/jozY/LkbzRqysnqRd6dWPxmAcs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746817140; c=relaxed/simple; bh=2uB/UBFl793LBBu1ZjcvTxD2vU/Siid954qLuejgKi8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cPYdkqcICk5isGLmlsqkFDfvHqckhJSb8qyXdg46kPid5KV/g5L/LvbjHXYR6lRkJw4umZxOOshg1CopIKyz4phXIIoUpDVDn6p+F/xn8/sV9dMAao74FyKW3jP/73dh0URg9s3tWddflRO/AQVdun77wdWbxpHsN6AvtnlM6/4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SVhH2BHI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SVhH2BHI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAC39C4CEE4; Fri, 9 May 2025 18:58:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746817139; bh=2uB/UBFl793LBBu1ZjcvTxD2vU/Siid954qLuejgKi8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SVhH2BHI4tpEYlrAAjKW5lF4U+VKFye9Zo6vkmk3O/RPuv95MPzH0VVgxPfpWYdXA /Koe4qjNW+YgVlSGjyMqWft+N7o8XzTY9NQBXvZe39yUCFpRkHNU/Ax9ScTLUFeiZa SvwWKp9oS/sBi4gq8xIMlbTGPH4FHTfwYKkfvhpRySwopHFvspsGiht893wYvD/dFU 2xKMQ1chxsNbDZqkRgihROhho1fAFyNAC5E2BbdGrZ4anu9M7sPmBCbs7LX37IVz69 uZdkTNZ+uzXOc70LV+8ZPaBBzKXJIcm+fN/SrLQnULtZ33mUxWy+7HTFBgbHr02BoE Kx0xNudMuWTeA== Date: Fri, 9 May 2025 13:58:58 -0500 From: Rob Herring To: Thierry Bultel Cc: thierry.bultel@linatsea.fr, linux-renesas-soc@vger.kernel.org, geert@linux-m68k.org, paul.barker.ct@bp.renesas.com, Geert Uytterhoeven , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v8 01/11] dt-bindings: serial: Added secondary clock for RZ/T2H RSCI Message-ID: <20250509185858.GA3933854-robh@kernel.org> References: <20250429081956.3804621-1-thierry.bultel.yh@bp.renesas.com> <20250429081956.3804621-2-thierry.bultel.yh@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250429081956.3804621-2-thierry.bultel.yh@bp.renesas.com> On Tue, Apr 29, 2025 at 10:19:43AM +0200, Thierry Bultel wrote: > At boot, the default clock is the PCLKM core lock (synchronous > clock, which is enabled by the bootloader). > For different baudrates, the asynchronous clock input must be used. > Clock selection is made by an internal register of RCSI. > > Signed-off-by: Thierry Bultel > --- > .../bindings/serial/renesas,rsci.yaml | 18 +++++++++--------- > 1 file changed, 9 insertions(+), 9 deletions(-) > > diff --git a/Documentation/devicetree/bindings/serial/renesas,rsci.yaml b/Documentation/devicetree/bindings/serial/renesas,rsci.yaml > index ea879db5f485..aa2428837a2f 100644 > --- a/Documentation/devicetree/bindings/serial/renesas,rsci.yaml > +++ b/Documentation/devicetree/bindings/serial/renesas,rsci.yaml > @@ -35,10 +35,14 @@ properties: > - const: tei > > clocks: > - maxItems: 1 > + items: > + - description: serial functional clock > + - description: default core clock > > clock-names: > - const: fck # UART functional clock > + items: > + - const: async > + - const: bus This is an ABI change. You can't just drop 'fck' without good reasons. Rob