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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rSfpl-0047Kt-2l; Wed, 24 Jan 2024 16:10:37 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rSfph-0047Hy-27 for linux-arm-kernel@lists.infradead.org; Wed, 24 Jan 2024 16:10:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id B2A27CE317B; Wed, 24 Jan 2024 16:10:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47ADDC433C7; Wed, 24 Jan 2024 16:10:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706112629; bh=SalXPkmNubfGiQcSbtanqRQSq5xrw4Ucd7dpoHNEfPg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Txqt/r9E4X+x35VNp0w/xCp316LfHogdEXOyL+dfA+JhLsthGLWmBPZVc7aAmwVjs oAYyBDzF6pCTvE3Lly4F3Q09AEetMXO9i06J7YJEt2ckvA4n0/Jido+oJfC0ObyLWd XC2ZZ/TG7MAhLyg48x/Ks5U1DNUZ6cctYX02P+ZZnBajhdVaWxe+KG2g5Ln1+DeGt5 g+2lRiDKODDHjOqPZt4M5RPecQLJAK8sAdryi1eIOUMX8OCXr6rnfR7vbISEGCRVZm MvvhxCEev7ZKdLLQXrqY7CllqJjOzsEzBFlWDa1tEkqBwlX4oQmYwJfGFstKbiZkJp ODRbW4wYNQvcA== Date: Wed, 24 Jan 2024 16:10:24 +0000 From: Conor Dooley To: Siddharth Vadapalli Cc: bhelgaas@google.com, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, vigneshr@ti.com, afd@ti.com, srk@ti.com Subject: Re: [PATCH v3] dt-bindings: PCI: ti,j721e-pci-host: Add support for J722S SoC Message-ID: <20240124-unmatched-plating-019a3055cf5e@spud> References: <20240124122936.816142-1-s-vadapalli@ti.com> MIME-Version: 1.0 In-Reply-To: <20240124122936.816142-1-s-vadapalli@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240124_081034_047300_ED521FA2 X-CRM114-Status: GOOD ( 20.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7936297319859424829==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============7936297319859424829== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="XMTtUXZ1FD8n2B8o" Content-Disposition: inline --XMTtUXZ1FD8n2B8o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jan 24, 2024 at 05:59:36PM +0530, Siddharth Vadapalli wrote: > TI's J722S SoC has one instance of a Gen3 Single-Lane PCIe controller. > The controller on J722S SoC is similar to the one present on TI's AM64 > SoC, with the difference being that the controller on AM64 SoC supports > up to Gen2 link speed while the one on J722S SoC supports Gen3 link speed. >=20 > Update the bindings with a new compatible for J722S SoC. >=20 > Technical Reference Manual of J722S SoC: https://www.ti.com/lit/zip/spruj= b3 >=20 > Signed-off-by: Siddharth Vadapalli Acked-by: Conor Dooley Cheers, Conor. > --- >=20 > Hello, >=20 > This patch is based on linux-next tagged next-20240124. >=20 > v2: > https://lore.kernel.org/r/20240122064457.664542-1-s-vadapalli@ti.com/ > Changes since v2: > - Added fallback compatible for "ti,j722s-pcie-host" as > "ti,j721e-pcie-host" based on Conor's suggestion at: > https://lore.kernel.org/r/20240122-getting-drippy-bb22a0634092@spud/#t >=20 > v1: > https://lore.kernel.org/r/20240117102526.557006-1-s-vadapalli@ti.com/ > Changes since v1: > - Dropped patches 1/3 and 2/3 of the v1 series as discussed in the v1 > thread. > - Updated patch 3/3 which is the v1 for this patch by dropping the checks > for the "num-lanes" property and "max-link-speed" property since the PCI > driver already validates the "num-lanes" property. >=20 > Regards, > Siddharth. >=20 > Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml | 4 ++++ > 1 file changed, 4 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml= b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml > index b7a534cef24d..ac69deeaf1ee 100644 > --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml > +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml > @@ -23,6 +23,10 @@ properties: > items: > - const: ti,j7200-pcie-host > - const: ti,j721e-pcie-host > + - description: PCIe controller in J722S > + items: > + - const: ti,j722s-pcie-host > + - const: ti,j721e-pcie-host > =20 > reg: > maxItems: 4 > --=20 > 2.34.1 >=20 --XMTtUXZ1FD8n2B8o Content-Type: application/pgp-signature; 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