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 6B72E25291B; Mon, 16 Jun 2025 15:42:46 +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=1750088567; cv=none; b=pdw8aTacMItpHTYdPOAVPXNeXbeQqdxApATqFxUdJH3Ai4zvZvpHfkQdHYbFLuZxNg2Ga+FWLspWff0JT87maP303jWF6C7cdj5yktAdofpdckNw7xynK+yNfQm6EreRdWV3htLmC1MueWusy391MvqZp/o3+wivYqiB8qI6K8U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750088567; c=relaxed/simple; bh=EL96VpQZzhoPtchVrd8NRiz8LeFclfDJXhz0xUwdWEg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FAqwHzuGe9ICFzizMBlF1EvvFAxgM/xMAbGTNHaFh0e2/wtRJsslnOAuVc199SgIEujR1MGJRJBa/7ED6NcO1OYtkzHIFS4F3Vov26yiRlI8aFVnVtHRqHIJNfQNKxy9Ug4qFyh+C6z0u9nJzIPxusi89sY0S+qRF+bZnOABreM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=M5Ka/c3P; 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="M5Ka/c3P" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 831C7C4CEF0; Mon, 16 Jun 2025 15:42:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750088566; bh=EL96VpQZzhoPtchVrd8NRiz8LeFclfDJXhz0xUwdWEg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=M5Ka/c3Pxo+O35mhlGpQYbsO72F4TNYunYxC9sAiN0UEZIa60ATRi78eLQwlw6bgB raQRDb4JhgkjOV9Kd45dAKE7FK72iXYWxdfRy6mU5bbXypwMbRt+FYr6wtiovTqWBm Vu4A21c35saGJ9Z5JbcT88hX6baMyaLHvGwaXMhVmNEmzWYBAk2ach3q9DRvZ2Ipsk Rnk+vVVByYuFwlCBHF++frBXTaZ2UZla0C7b0GBjD7rQ78CCtpTLdNH7dnJQwuckV7 9TM8VTo/DTm9qcr1yC3+gpJKSzqCAGG/3ZABybuPDdfteDDxOygw6B+lJwdmr3iPDa Y3UKalyDBFfvw== Date: Mon, 16 Jun 2025 16:42:41 +0100 From: Conor Dooley To: Benjamin Gaignard Cc: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, nicolas.dufresne@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-media@vger.kernel.org, kernel@collabora.com Subject: Re: [PATCH 2/5] dt-bindings: iommu: verisilicon: Add binding for VSI IOMMU Message-ID: <20250616-contempt-remix-5af2b7281cbd@spud> References: <20250616145607.116639-1-benjamin.gaignard@collabora.com> <20250616145607.116639-3-benjamin.gaignard@collabora.com> <20250616-winter-strict-db98f85db22d@spud> <5c971c09-c398-40a3-9ed5-ec38b6645e1d@collabora.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3uegz8X9AMqKgIIC" Content-Disposition: inline In-Reply-To: <5c971c09-c398-40a3-9ed5-ec38b6645e1d@collabora.com> --3uegz8X9AMqKgIIC Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 16, 2025 at 05:30:44PM +0200, Benjamin Gaignard wrote: >=20 > Le 16/06/2025 =E0 17:14, Conor Dooley a =E9crit=A0: > > On Mon, Jun 16, 2025 at 04:55:50PM +0200, Benjamin Gaignard wrote: > > > Add a device tree binding for the Verisilicon (VSI) IOMMU. This IOMMU= sits > > > in front of hardware encoder and decoder blocks on SoCs using Verisil= icon IP, > > > such as the Rockchip RK3588. > > >=20 > > > Signed-off-by: Benjamin Gaignard > > > --- > > > .../bindings/iommu/verisilicon,iommu.yaml | 71 ++++++++++++++++= +++ > > > 1 file changed, 71 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/iommu/verisili= con,iommu.yaml > > >=20 > > > diff --git a/Documentation/devicetree/bindings/iommu/verisilicon,iomm= u.yaml b/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml > > > new file mode 100644 > > > index 000000000000..acef855fc61d > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml > > > @@ -0,0 +1,71 @@ > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > > +%YAML 1.2 > > > +--- > > > +$id: http://devicetree.org/schemas/iommu/verisilicon,iommu.yaml# > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > + > > > +title: Verisilicon IOMMU > > > + > > > +maintainers: > > > + - Benjamin Gaignard > > > + > > > +description: |+ > > > + A Versilicon iommu translates io virtual addresses to physical add= resses for > > > + its associated video decoder. > > > + > > > +properties: > > > + compatible: > > > + oneOf: > > > + - items: > > > + - const: verisilicon,iommu > > You're missing a soc-specific compatible at the very least here, but is > > there really no versioning on the IP at all? I'd be surprised if > > verisilicon only produced exactly one version of an iommu IP. >=20 > I only aware this version of the iommu for the moment. "for the moment", yeah. Is there any information that could be used to version this available? > Does adding verisilicon,rk3588-iommu sound good for you ? It'd be "rockchip,rk3588-iommu", but sure. --3uegz8X9AMqKgIIC Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaFA7cQAKCRB4tDGHoIJi 0iCzAP9YCsHKGIYiBpnknc4NXqsdt+3vAksXP7lkL3rhV72dnAD/V+ZJlq0CxEGR YIn/c1CTX5YI8+iwECvQSNErsd1qHAo= =gnvG -----END PGP SIGNATURE----- --3uegz8X9AMqKgIIC--