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 820721FC7C9; Tue, 15 Oct 2024 13:35:52 +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=1728999352; cv=none; b=rnFzFbEYZIQgke9LlNMKQ76eRyG/IooF06Nxm3fr/OKHg1tPcsftpW/w7YUb9xmo4q5m6kDfxKfuvwFlTtMFOi7zH747ix8pL6SyGJVHWhoE8W022EDkCTZhslFdKAyXGEvGq2R1DWdlHYbop6v0iAFeifsTxQwrjBMoArDF48g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728999352; c=relaxed/simple; bh=iWqukihIetnXFxIMSRJf6mjrnCnlfxnayzBqiz8bRnY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IF7J5l2uGfLifNC1u5beGMUDj4dARVCoFY3ZsvEDXBJ/1mWomH3lQon0dyKNszAOY4GautTF+4uAj+V44/m6I5wG29OlsIxYweaVNwKjUMWA+mDUrJTEnphPz5Z+q0b77Xo3IiRA/z8ELI1xsTIGmEbxTV/JjHRezmg5mrm4rcQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Mtlw3P1b; 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="Mtlw3P1b" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A65FC4CEC6; Tue, 15 Oct 2024 13:35:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728999352; bh=iWqukihIetnXFxIMSRJf6mjrnCnlfxnayzBqiz8bRnY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Mtlw3P1bWQYcQxdXci7wwOz8Hy1DkvnYOvYplfMHvTejdKnUeG+pS6hmL8bPYpNDN GAyFx/ZYwZYi82WmEesfcrXljVPTuXcq597/C4Tucja62HoghI26C52oPaRC0F1XVS IZ7BSGjzXuyIYLy9MeB9n6nSDDboWFD3jjYH0pxkREuZUnY2Gdb8HPfWlj3xqXdQfi Sy/QScWmSgpezN2rlj7c4nzsMmgALGB1SXyHJCtouCPy8KyCuwwIvnXQHmxw7aK122 Y17hkhyrmE3Ia0zoQxIaPVnlJAcuAA7B/gcu3g7kLqAyTMIxIu18RRijpRedPnZYNd SDuEzpSjXnTRA== Message-ID: Date: Tue, 15 Oct 2024 15:35:46 +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 4/5] dt-bindings: remoteproc: add binding for Microchip IPC remoteproc To: Valentina.FernandezAlanis@microchip.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, peterlin@andestech.com, dminus@andestech.com, Conor.Dooley@microchip.com, conor+dt@kernel.org, ycliang@andestech.com, jassisinghbrar@gmail.com, robh@kernel.org, krzk+dt@kernel.org, andersson@kernel.org, mathieu.poirier@linaro.org Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org References: <20240912170025.455167-1-valentina.fernandezalanis@microchip.com> <20240912170025.455167-5-valentina.fernandezalanis@microchip.com> <82eae461-3cce-4e36-905c-34c147fabcb3@microchip.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 15/10/2024 14:09, Valentina.FernandezAlanis@microchip.com wrote: > On 16/09/2024 21:14, Krzysztof Kozlowski wrote: >> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe >> >> On 12/09/2024 19:00, Valentina Fernandez wrote: >>> Microchip family of RISC-V SoCs typically has or more clusters. These >>> clusters can be configured to run in Asymmetric Multi Processing (AMP) >>> mode >> >> A nit, subject: drop second/last, redundant "binding for". The >> "dt-bindings" prefix is already stating that these are bindings. >> See also: >> https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18 >> >>> >>> Add a dt-binding for the Microchip IPC Remoteproc platform driver. >>> >> >> Binding is for hardware, not driver. Please rephrase it to describe >> hardware. >> >> >>> Signed-off-by: Valentina Fernandez >>> --- >>> .../remoteproc/microchip,ipc-remoteproc.yaml | 84 +++++++++++++++++++ >>> 1 file changed, 84 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/remoteproc/microchip,ipc-remoteproc.yaml >>> >>> diff --git a/Documentation/devicetree/bindings/remoteproc/microchip,ipc-remoteproc.yaml b/Documentation/devicetree/bindings/remoteproc/microchip,ipc-remoteproc.yaml >>> new file mode 100644 >>> index 000000000000..1765c68d22cf >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/remoteproc/microchip,ipc-remoteproc.yaml >>> @@ -0,0 +1,84 @@ >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: http://devicetree.org/schemas/remoteproc/microchip,ipc-remoteproc.yaml# >>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>> + >>> +title: Microchip IPC Remote Processor >>> + >>> +description: >>> + Microchip family of RISC-V SoCs typically have one or more >>> + clusters. These clusters can be configured to run in an Asymmetric >>> + Multi Processing (AMP) mode where clusters are split in independent >>> + software contexts. >>> + >>> + This document defines the binding for the remoteproc component that >>> + loads and boots firmwares on remote clusters. >> >> Don't say that binding is a binding for. Say what this hardware piece is. >> >>> + >>> + This SBI interface is compatible with the Mi-V Inter-hart >>> + Communication (IHC) IP. >>> + >>> +maintainers: >>> + - Valentina Fernandez >>> + >>> +properties: >>> + compatible: >>> + const: microchip,ipc-remoteproc >> >> That's quite generic. Basically this says it will handle IPC of all >> possible Microchip SoCs, not only RISC-V but also ARM and whatever you >> come up with. > IPC is the actual name of the hardware block described in this binding. > I'll update the description of the binding in v2 to mention this. > > Additionally, I'll rename the compatible to microchip,ipc-sbi-remoteproc > to further clarify that this binding is intended for devices using the > Microchip IPC hardware block and for devices with an SBI interface (RISC-V). Well, still generic. Explain why this deserves exception from specific SoC compatibles. Best regards, Krzysztof