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 EAEBC21858E; Thu, 24 Apr 2025 15:29:40 +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=1745508581; cv=none; b=Z6NYj45IARxEDY0tfNvUUU5CmIgtUs3BxqWdR/FCn5mkNDHWtm6PGEl+WUo4jOTABxUgnrQwCoy/zYQLyZ5OPodZvQYWXOn5LtKnR06ge47u/+U6Vs8KrkDU1J5vY8cY7cauD7jP8FkGwzqtoXPtUilknHZda9RmgWvGVBNPd/M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745508581; c=relaxed/simple; bh=gJMXb5Q43o3Fb4QJuirndJOOwFsWCUxS3ZYHfpMPb2I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XVxtgKuJZDNgl7jaStn53Lz73cGpOkUUkAZIOOonWGA5UA8SAZWYRf5L6vnLgj8L+UaoFyNcx5t1L6dblsegwcnGyhbMHgBPRHs3lgc5/cbclzljd/OdiovmwD2hyb0UuRALqctQpoqSSmv1J1al5SFTRWh7CU0BDPEi1rmbgak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VuGbuwfg; 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="VuGbuwfg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE5BCC4CEE3; Thu, 24 Apr 2025 15:29:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745508580; bh=gJMXb5Q43o3Fb4QJuirndJOOwFsWCUxS3ZYHfpMPb2I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VuGbuwfgyk4N/REz0W07BpsASNmI2i1yitcccHX/AsB4D0K7o4eI9AMqxXILkcFEb 7ya0E48cGdvoxfW5deXxwV3FEiPrMZ5b58Y0tI52zAtXquXz/QzzrSpJJNfDAMcFPl 1Wn3vaX3u4fUKPUCVivTii1TVMKM5CpTPeLPqZDNHOKQtBUXayyKyWZieXNtss0g+s fP9N+Yk12R1/p77gzvn0+TQZvd78qTa7vF5BaOXJzajcUOyUrBfMqJCTGgVfmtdYMX kOIIoBn9p7q+7bqQZ4K3TbKZwgGDMtDtlLQM4oHoBuKdFKoJfMRoeELC53RSJWbAO0 OHOgB2DljArhQ== Date: Thu, 24 Apr 2025 16:29:35 +0100 From: Conor Dooley To: hans.zhang@cixtech.com Cc: bhelgaas@google.com, lpieralisi@kernel.org, kw@linux.com, manivannan.sadhasivam@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, peter.chen@cixtech.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Manikandan K Pillai Subject: Re: [PATCH v4 2/5] dt-bindings: pci: cadence: Extend compatible for new EP configurations Message-ID: <20250424-elm-magma-b791798477ab@spud> References: <20250424010445.2260090-1-hans.zhang@cixtech.com> <20250424010445.2260090-3-hans.zhang@cixtech.com> Precedence: bulk X-Mailing-List: linux-pci@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="454NY30T6bQMXXoG" Content-Disposition: inline In-Reply-To: <20250424010445.2260090-3-hans.zhang@cixtech.com> --454NY30T6bQMXXoG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 24, 2025 at 09:04:41AM +0800, hans.zhang@cixtech.com wrote: > From: Manikandan K Pillai >=20 > Document the compatible property for HPA (High Performance Architecture) > PCIe controller EP configuration. Please explain what makes the new architecture sufficiently different =66rom the existing one such that a fallback compatible does not work. Same applies to the other binding patch. Thanks, Conor. >=20 > Signed-off-by: Manikandan K Pillai > Signed-off-by: Hans Zhang > --- > .../devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) >=20 > diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml= b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml > index 98651ab22103..a7e404e4f690 100644 > --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml > +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml > @@ -7,14 +7,16 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# > title: Cadence PCIe EP Controller > =20 > maintainers: > - - Tom Joseph > + - Manikandan K Pillai > =20 > allOf: > - $ref: cdns-pcie-ep.yaml# > =20 > properties: > compatible: > - const: cdns,cdns-pcie-ep > + enum: > + - cdns,cdns-pcie-ep > + - cdns,cdns-pcie-hpa-ep > =20 > reg: > maxItems: 2 > --=20 > 2.47.1 >=20 --454NY30T6bQMXXoG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaApY3wAKCRB4tDGHoIJi 0rK/AP4nrPcNsP38PNXcx54GaBf5sG4UalO/FuQz5Dz7yOZGFAD/amuYZ5gKuxRP KtjJk3wqU0L4S+0rakEht7b0TzpiBAs= =xccu -----END PGP SIGNATURE----- --454NY30T6bQMXXoG--