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Wed, 27 Aug 2025 09:31:45 -0700 (PDT) X-Received: by 2002:ac8:5786:0:b0:4b2:fd79:9ea3 with SMTP id d75a77b69052e-4b2fd79a035mr516161cf.52.1756312304895; Wed, 27 Aug 2025 09:31:44 -0700 (PDT) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4b2b8b0312asm96801691cf.0.2025.08.27.09.31.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 Aug 2025 09:31:43 -0700 (PDT) Message-ID: <3c3beeed-a545-4dfb-8199-b57066d3eff7@broadcom.com> Date: Wed, 27 Aug 2025 09:31:38 -0700 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/3] pinctrl: bcm: Add STB family pin controller driver To: Stefan Wahren , Andrea della Porta , linus.walleij@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, 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 References: <6d812c08-341f-4f7f-a9ed-4545217cb8a8@gmx.net> Content-Language: en-US From: Florian Fainelli Autocrypt: addr=florian.fainelli@broadcom.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 8/19/25 02:18, 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? The structure of the driver is applicable to the entire Broadcom STB SoC family, of which 2712/7712 is one instance. > > 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. pinctrl-brcmstb.c for the main part which is agnostic to the chip-specific functions is adequate. -- Florian