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 89EEC2949ED; Mon, 28 Apr 2025 19:05:33 +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=1745867133; cv=none; b=SrrvTEm0tOQlKllQZvNZy7CEQ7GBZZK2Ii2ZZyc/03OKgZl59iwnKX/2bukcQPA3Bg1lB/xkopw/hH4GTYFmYml4a+WDBEu0bJuxIXNGfNafO9J+xD11XQh8SxhhAmdHxdBP0q/5jFzcpgf57hPLQgmng/VjucSRuVMkmZJOSYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745867133; c=relaxed/simple; bh=o2JNiOPPRrT0nmPZiMUslB1+WCOBi7h9/Nrsn4wxJIg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Poa+Tl/9BPEmZyNqeN8dhcZdFcD0HPisxwRyKm0ZjK4d0evhOam2qph5GqoeP2WAGi8YkHwXqXkzoYuB3WzMqKoiDAwfkuzn4Fta3R7HgYxPkmVgViv6ajj/QZh5c6QehpIXO9HUMBt//Rk+uJWo6XLkJBSht8qrIuO3x3ChCz8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=opTbgahK; 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="opTbgahK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BB56C4CEE4; Mon, 28 Apr 2025 19:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745867133; bh=o2JNiOPPRrT0nmPZiMUslB1+WCOBi7h9/Nrsn4wxJIg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=opTbgahK0Dk64tZeRt1bHtoUy22qJs/0LeUrfcsCfvML22QYvZsyFfsT+KtFNeuaM I67E6rVDk0Y6Y/ioNTgLD9biet2UDfk+sBJcLWnwyH3UA03ovlsoMszZPBrvZ3jzAz 4WJgxfDguRhPTy6S5VokSg5Z1ScYj2tAhqT2a0KP81SbSFRVbIoCJRKPCCYytxObUa cc4anjbEchoEOayN+9SBIIYGm1zI7N4woVWT7Sdsxg3XNd8xN1LRF/TMDpbqmr1Mcn tPcRfCzfy3Qz52CzxCJGo6fSQ1054MoAAGAW60s64rdHCs/y12IL8xtsj3vUjzs4E7 Rn8Dnz4TlEXEw== Message-ID: <78062089-3cb1-45e2-818d-fa99c746bb30@kernel.org> Date: Mon, 28 Apr 2025 21:05:29 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 1/6] dt-bindings: crypto: Document support for SPAcc To: Pavitrakumar Managutte Cc: linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, herbert@gondor.apana.org.au, Ruud.Derwig@synopsys.com, manjunath.hadli@vayavyalabs.com, adityak@vayavyalabs.com, Bhoomika Kadabi References: <20250423101518.1360552-1-pavitrakumarm@vayavyalabs.com> <20250423101518.1360552-2-pavitrakumarm@vayavyalabs.com> <628faa57-f135-4f62-9827-5c98d9265391@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 28/04/2025 12:28, Pavitrakumar Managutte wrote: > Hi Krzysztof, > Its not possible to use it outside of the SoC. So for the current > SPAcc IP testing we flash it to the PL part of the Zynq. Post which it > behaves like a peripheral sitting on the system bus. The device is > memory mapped and its interrupt is connected to GIC. A platform driver > works perfectly in this case and that's what we have. > All the drivers that we have in the kernel are for crypto > hardware/engines, which already are available as part of some SoC in > the market. But in our case its still an IP. Since I dont have any > reference/expertise, it would be great if you could suggest a way to > handle such a case. Respond inline, instead of top-posting. There are IP blocks which do not require much of per-soc customization so with proper arguments this could go. But if you have a working hardware, then just describe that hardware in the bindings. Best regards, Krzysztof