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 04BD925A649; Wed, 5 Feb 2025 07:32:25 +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=1738740746; cv=none; b=FBM55s3HmiVKY+uNdTagUoGaTPWhFYeNtUtePJYEjbkf5/ngun3YrAcgelIVpeH/H3Dm/9IUPPnPQzpTwk3rmcj6I+oA6YRORyP9FYb57li+Zbkp/6LMuCWlAmY+s5KloykTetpWHTlOfpkGTmYumL1QlBlUcKKh/1cg2+Fb/dc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738740746; c=relaxed/simple; bh=Ok2SJNJ1boVfWaDYTt9lMF/TEqdwFpG/blVmAaWqHGw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=FXY6IYaFnShMgkp8V4Zs0yIr8GCk/Ok3QgPtCp4AoDW7VVfpIPnm+lhDoch0ESBC22xznC/UG4hrLnwiC86nePFRE1nBpx0feAjZPmNWrFLmwjJXbpfCa9K+aBucJDBe4fH8m8bb6KtzfO9B8RLLHAR3QFiSnPn2JuNfECBZUYg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RBdmBabe; 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="RBdmBabe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B02FC4CED1; Wed, 5 Feb 2025 07:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738740745; bh=Ok2SJNJ1boVfWaDYTt9lMF/TEqdwFpG/blVmAaWqHGw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=RBdmBabeZ0QTdtqAq3BrMm3dPJM4xWghAitsvvVdCqnv5ATVSQyTLSGeZLDyqpLmP JQHwHgMtid5XhqgV0Q0uhEovwOt+L/XefD7TJj9YKni+/7EkP83XcEV1MVsxQKBuJt tjbR5rYn0NvZJ8Yl+1CclXUxr4ONXg//l3KHU3ycJFG/uhHgi51j+tO7VIbcdBuFWZ ejvm3r68Fs2lOGZO16E9/Yb2F/pe3vKtLUBeBJiNkCk/w4nbbpiLYu8ZcEYCmoChKK C+I0JrWbAmrLs9jlIkGyx4g9S+Naxjrql9oRWvqN0orO4vFZ/XbUyudrt339NOvrZn rVeypSKihGhsA== Message-ID: Date: Wed, 5 Feb 2025 08:32:17 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 4/5] arm64: dts: agilex: add dts enabling PCIe Root Port To: matthew.gerlach@linux.intel.com Cc: lpieralisi@kernel.org, kw@linux.com, manivannan.sadhasivam@linaro.org, robh@kernel.org, bhelgaas@google.com, krzk+dt@kernel.org, conor+dt@kernel.org, dinguyen@kernel.org, joyce.ooi@intel.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, matthew.gerlach@altera.com, peter.colberg@altera.com References: <20250127173550.1222427-1-matthew.gerlach@linux.intel.com> <20250127173550.1222427-5-matthew.gerlach@linux.intel.com> <58f7925c-dbed-4a5e-8e7d-095bef197931@kernel.org> <319e9f53-6910-a144-8752-4bcc47b7cba@linux.intel.com> <4d9b5ca4-bebc-93c3-7d25-14d12899cab6@linux.intel.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 04/02/2025 17:57, matthew.gerlach@linux.intel.com wrote: > >> >>>>> +#include "socfpga_agilex_pcie_root_port.dtsi" >>>>> + >>>> >>>> Missing board compatible, missing bindings. >>> >>> The model and compatible bindings are inherited from socfpga_agilex_socdk.dts. >> >> Then this is the same board, so entire DTS should be removed and instead >> merged into parent DTS. There is no such thing as "inherit" of an >> compatible. > > It is the same physical board, but the image programmed into the FPGA is > different in so far as the PCIe IP is connected and enabled. This > different FPGA image allows for a PCIe End Point to be plugged in. Is this > difference enough for it be considered and different board? Yes, it can be different board DTS. Look at other vendors how shared designs are being actually shared between DTS - DTSI. Best regards, Krzysztof