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[80.182.198.72]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a89892220e5sm527704366b.195.2024.09.02.02.33.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Sep 2024 02:33:53 -0700 (PDT) From: Andrea della Porta X-Google-Original-From: Andrea della Porta Date: Mon, 2 Sep 2024 11:34:01 +0200 To: Rob Herring Cc: Stefan Wahren , Andrea della Porta , Michael Turquette , Stephen Boyd , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Linus Walleij , Catalin Marinas , Will Deacon , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Nicolas Ferre , Claudiu Beznea , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Saravana Kannan , Bjorn Helgaas , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-pci@vger.kernel.org, linux-arch@vger.kernel.org, Lee Jones , Andrew Lunn Subject: Re: [PATCH 08/11] misc: rp1: RaspberryPi RP1 misc driver Message-ID: References: <5954e4dccc0e158cf434d2c281ad57120538409b.1724159867.git.andrea.porta@suse.com> <98c570cb-c2ca-4816-9ca4-94033f7fb3fb@gmx.net> <015a0dd9-7a13-45b7-971a-19775a6bdd04@gmx.net> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Hi Rob, On 13:27 Fri 30 Aug , Rob Herring wrote: > On Fri, Aug 23, 2024 at 11:31 AM Andrea della Porta > wrote: > > ... > > > > Since u-boot is lacking support for RP1 we cannot really produce some test > > results to check the compatibility versus kernel dtb overlay but we can > > speculate a little bit about it. AFAIK u-boot would probably place the rp1 > > node directly under its pcie@12000 node in DT while the dtb overlay will use > > dynamically created PCI endpoint node (dev@0) as parent for rp1 node. > > u-boot could do that and it would not be following the 25+ year old > PCI bus bindings. Some things may be argued about as "Linux bindings", > but that isn't one of them. Indeed. It was just speculation, not something I would bet on. Regards, Andrea > > Rob