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[213.98.130.118]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48722c6b495sm184799345e9.2.2026.03.27.04.43.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2026 04:43:47 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Samuel Holland , Andre Przywara Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/3] dt-bindings: pinctrl: sun55i-a523: increase IRQ banks number Date: Fri, 27 Mar 2026 12:41:04 +0100 Message-ID: <5976712.DvuYhMxLoT@jernej-laptop> In-Reply-To: <20260327113006.3135663-3-andre.przywara@arm.com> References: <20260327113006.3135663-1-andre.przywara@arm.com> <20260327113006.3135663-3-andre.przywara@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260327_044350_782694_CC2465ED X-CRM114-Status: GOOD ( 12.54 ) 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 Dne petek, 27. marec 2026 ob 12:30:05 Srednjeevropski standardni =C4=8Das j= e Andre Przywara napisal(a): > The Allwinner A523 SoC implements 10 GPIO banks in the first pinctrl > instance, but it skips the first bank (PortA), so their index goes from > 1 to 10. The same is actually true for the IRQ banks: there are registers > for 11 banks, though the first bank is not implemented (RAZ/WI). > In contrast to previous SoCs, the count of the IRQ banks starts with this > first unimplemented bank, so we need to provide an interrupt for it. > And indeed the A523 user manual lists an interrupt number for PortA, so we > need to increase the maximum number of interrupts per pin controller to 1= 1, > to be able to assign the correct interrupt number for each bank. >=20 > Signed-off-by: Andre Przywara Reviewed-by: Jernej Skrabec Best regards, Jernej