From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Chen-Yu Tsai <wens@kernel.org>,
Samuel Holland <samuel@sholland.org>,
Andre Przywara <andre.przywara@arm.com>
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 [thread overview]
Message-ID: <5976712.DvuYhMxLoT@jernej-laptop> (raw)
In-Reply-To: <20260327113006.3135663-3-andre.przywara@arm.com>
Dne petek, 27. marec 2026 ob 12:30:05 Srednjeevropski standardni čas je 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 11,
> to be able to assign the correct interrupt number for each bank.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Best regards,
Jernej
next prev parent reply other threads:[~2026-03-27 11:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-27 11:30 [PATCH v2 0/3] pinctrl: sunxi: a523: fix GPIO IRQ operation Andre Przywara
2026-03-27 11:30 ` [PATCH v2 1/3] pinctrl: sunxi: a523: Remove unneeded IRQ remuxing flag Andre Przywara
2026-03-27 11:38 ` Chen-Yu Tsai
2026-03-27 11:39 ` Jernej Škrabec
2026-03-27 11:30 ` [PATCH v2 2/3] dt-bindings: pinctrl: sun55i-a523: increase IRQ banks number Andre Przywara
2026-03-27 11:41 ` Jernej Škrabec [this message]
2026-03-27 11:30 ` [PATCH v2 3/3] arm64: dts: allwinner: a523: Add missing GPIO interrupt Andre Przywara
2026-03-27 11:42 ` Jernej Škrabec
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