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 69108567D; Wed, 5 Mar 2025 17:05:14 +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=1741194314; cv=none; b=sH2S3X8RSPQd0Dwde1NvFKv1fHaCJ0gmUCJJArmUkwhkHZ7rqB+p5b3SW1eA5X3lxPHfwZ1WwEKRfXJhLnpW/Skq8rEzJXxUib7VVUaccyoNEl4d9ARHooGoxGO0yhiIGHbSBxqJ+NIWjrQAfjkdScXl0CuNKxFVhwZbV/wOnAY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741194314; c=relaxed/simple; bh=p6cofDzPIQiKAYp7OGenUHqpdHR3so20s8ogwouuNbY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fR/1nHfOs3pDrNIBxJcf51Oj6TO5ZeeInLmvJQz33RfKPEKLkz/SLtp3yFi8MM6LszunxrYiMklw82gT9qN5fulY4esyNQBR4D+ETaxLLV3+GeWMOipul0EuJ/ScW4GiHpAHWAQn4i6/ksYuXrYv22zu8+nmmkk5YjQ7lxDocUk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NTJy7o6q; 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="NTJy7o6q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6D1EC4CEE0; Wed, 5 Mar 2025 17:05:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741194313; bh=p6cofDzPIQiKAYp7OGenUHqpdHR3so20s8ogwouuNbY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NTJy7o6qXZ7IrKZqtSqLl535xzsKZ6kjGHgHiI8Ua5NDQ2QE+3JD5oMZe8MKTh1bm TQkEjy4i04Ee2KpgKOFmcL+XttXAbeuVZgEGO3MAU47PqrQZ4KmeR+OLBQOuBdl5uT SFj8gi5t1DrURR/XAMcBTEWzxXJh6raeQVyd3J10Qz7LqSCY3V0iWT0Cwp9IdVPZVU g8Avky9dRX6qBwj8+9rv0b8KJh+VeiSn7af484bDqbzHK6Nwgp+SYFFjQxWTrv//S0 0sBZ+xSfcE/ApOddlsAGvlpHbZhFz2O4/56bxtUKZaqUyaYLGhbLCeW9llLvciYJqe PlBj+R8PNmjkA== Date: Wed, 5 Mar 2025 11:05:12 -0600 From: "Rob Herring (Arm)" To: Daniel Baluta Cc: linux-remoteproc@vger.kernel.org, andersson@kernel.org, devicetree@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, conor+dt@kernel.org, iuliana.prodan@nxp.com, Frank.Li@nxp.com, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, p.zabel@pengutronix.de, krzk+dt@kernel.org, laurentiu.mihalcea@nxp.com, linux-kernel@vger.kernel.org, mathieu.poirier@linaro.org, shengjiu.wang@nxp.com, kernel@pengutronix.de, peng.fan@nxp.com, festevam@gmail.com Subject: Re: [PATCH v4 2/8] dt-bindings: dsp: fsl,dsp: Add resets property Message-ID: <174119431164.2143223.3829886855063677866.robh@kernel.org> References: <20250305100037.373782-1-daniel.baluta@nxp.com> <20250305100037.373782-3-daniel.baluta@nxp.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250305100037.373782-3-daniel.baluta@nxp.com> On Wed, 05 Mar 2025 12:00:30 +0200, Daniel Baluta wrote: > Assert and deassert functionality of the DSP found on i.MX8MP is > realized by combining control bits from two modules: Audio Block > Control and Debug Access Port. > > Audio block control bits are used to Run/Stall the DSP core > while the DAP bits are used for software reset the core. > > The original plan was to use fsl,dsp-ctrl property and to refer the > audiomix bits via syscon interface. This proposal received NACK from > community we shouldn't abuse the syscon interface [1]. > > So remove fsl,dsp-ctrl property for i.MX8MP and use reset control > interface instead. > > Example dts node only uses runstall control now, but softreset will > be added in the future when we will convert the softreset functionality > to use reset controller API. > > [1] https://patchwork.kernel.org/project/imx/patch/20250212085222.107102-6-daniel.baluta@nxp.com/ > > Reviewed-by: Frank Li > Signed-off-by: Daniel Baluta > --- > .../devicetree/bindings/dsp/fsl,dsp.yaml | 24 ++++++++++++++++++- > 1 file changed, 23 insertions(+), 1 deletion(-) > Reviewed-by: Rob Herring (Arm)