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[79.36.0.44]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-afded539d39sm399697766b.110.2025.08.21.08.35.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Aug 2025 08:35:06 -0700 (PDT) From: Andrea della Porta X-Google-Original-From: Andrea della Porta Date: Thu, 21 Aug 2025 17:36:59 +0200 To: Stefan Wahren Cc: Andrea della Porta , linus.walleij@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, florian.fainelli@broadcom.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , iivanov@suse.de, svarbanov@suse.de, mbrugger@suse.com, Jonathan Bell , Phil Elwell Subject: Re: [PATCH v3 2/3] pinctrl: bcm: Add STB family pin controller driver Message-ID: References: <6d812c08-341f-4f7f-a9ed-4545217cb8a8@gmx.net> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6d812c08-341f-4f7f-a9ed-4545217cb8a8@gmx.net> Hi Stefan, On 11:18 Tue 19 Aug , Stefan Wahren wrote: > Hi Andrea, > > Am 11.08.25 um 16:46 schrieb Andrea della Porta: > > From: "Ivan T. Ivanov" > > > > This driver provide pin muxing and configuration functionality > > for BCM2712 SoC used by RPi5. According to [1] this chip is an > > instance of the one used in Broadcom STB product line. > i'm not sure about the whole driver naming. The cover letter describe it as > "pin control driver for BCM2712 SoC", but this patch is described as "STB > family pin controller driver". So as a reviewer, I'm a little bit confused > of the domain of this driver. Is it for a single SoC or really for a whole > family of many SoCs? It seems that this is indeed a whole family of which BCM2712 is the (first?) incarnation. I'm not really aware whether there exist other physical implementations but I'll amend the comment accordingly. Please also see: https://lore.kernel.org/lkml/d6ab66cf-09ac-4f53-9102-11f207d16db5@broadcom.com/ Many thanks, Andrea > > I'm asking because all the other BCM pinctrl drivers are mostly SoC specific > and not really general for a product line. > > In the former case, I would expect a driver name like pinctrl-bcm2712 to > make it more clear. > > Best regards