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[79.36.0.44]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b018fe7c638sm550465666b.6.2025.09.01.01.37.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Sep 2025 01:37:07 -0700 (PDT) From: Andrea della Porta X-Google-Original-From: Andrea della Porta Date: Mon, 1 Sep 2025 10:39:02 +0200 To: Linus Walleij Cc: Andrea della Porta , Bartosz Golaszewski , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, florian.fainelli@broadcom.com, wahrenst@gmx.net, 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 v4 2/3] pinctrl: bcm: Add STB family pin controller driver Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250901_013709_589077_DE09B49D X-CRM114-Status: GOOD ( 18.32 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Linus, On 10:21 Mon 01 Sep , Linus Walleij wrote: > On Thu, Aug 28, 2025 at 2:45 PM Andrea della Porta > wrote: > > > 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. > > > > [1] https://lore.kernel.org/lkml/f6601f73-cb22-4ba3-88c5-241be8421fc3@broadcom.com/ > > > > Cc: Jonathan Bell > > Cc: Phil Elwell > > Signed-off-by: Ivan T. Ivanov > > Reviewed-by: Phil Elwell > > Signed-off-by: Andrea della Porta > > Overall this feels merge class, I am looking over the requirement > series from Bartosz to see if we can merge it all today. This would be great! Thanks! Andrea > > I also looked in a vendor tree for the (by now 6 years old...) > BCMBCA driver, but it appears to be a completely different > beast, requiring some magic 0x21 to be written into a register > to "commit" a pin control change. > > Yours, > Linus Walleij