From: <Conor.Dooley@microchip.com>
To: <ben.dooks@codethink.co.uk>, <airlied@linux.ie>,
<daniel@ffwll.ch>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>, <thierry.reding@gmail.com>,
<sam@ravnborg.org>, <Eugeniy.Paltsev@synopsys.com>,
<vkoul@kernel.org>, <fancer.lancer@gmail.com>,
<daniel.lezcano@linaro.org>, <palmer@dabbelt.com>,
<palmer@rivosinc.com>
Cc: <paul.walmsley@sifive.com>, <aou@eecs.berkeley.edu>,
<Conor.Dooley@microchip.com>, <masahiroy@kernel.org>,
<damien.lemoal@opensource.wdc.com>, <geert@linux-m68k.org>,
<niklas.cassel@wdc.com>, <dillon.minfei@gmail.com>,
<dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <dmaengine@vger.kernel.org>,
<linux-riscv@lists.infradead.org>, <robh@kernel.org>
Subject: Re: [PATCH v5 03/13] dt-bindings: dma: dw-axi-dmac: extend the number of interrupts
Date: Mon, 18 Jul 2022 15:23:05 +0000 [thread overview]
Message-ID: <035d238c-7530-f14c-123b-f00f789da5f6@microchip.com> (raw)
In-Reply-To: <7c68e645-efd7-c48c-77aa-9aa607c77033@codethink.co.uk>
On 18/07/2022 16:12, Ben Dooks wrote:
> On 05/07/2022 22:52, Conor Dooley wrote:
>> From: Conor Dooley <conor.dooley@microchip.com>
>>
>> The Canaan k210 apparently has a Sysnopsys Designware AXI DMA
>> controller, but according to the documentation & devicetree it has 6
>> interrupts rather than the standard one. Support the 6 interrupt
>> configuration by unconditionally extending the binding to a maximum of
>> 8 per-channel interrupts thereby matching the number of possible
>> channels.
>
> I think you can still configure it to produce a single interrupt
> even if there are per-channel interrupts available. This is from
> my reading of the driver a little while ago so may not be totally
> correct now.
>
> Having per-channel irqs might be useful in the future, but as above
> I think it'll require the driver to be updated to do it (and possibly
> some sort of detection)
>
Yah, driver would need an update. But happily that does not matter for
the validity of the binding.
next prev parent reply other threads:[~2022-07-18 15:23 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 21:52 [PATCH v5 00/13] Canaan devicetree fixes Conor Dooley
2022-07-05 21:52 ` [PATCH v5 01/13] dt-bindings: display: convert ilitek,ili9341.txt to dt-schema Conor Dooley
2022-07-05 21:52 ` [PATCH v5 02/13] dt-bindings: display: ili9341: document canaan kd233's lcd Conor Dooley
2022-07-12 7:56 ` Conor.Dooley
2022-07-05 21:52 ` [PATCH v5 03/13] dt-bindings: dma: dw-axi-dmac: extend the number of interrupts Conor Dooley
2022-07-06 5:45 ` Vinod Koul
2022-07-18 15:12 ` Ben Dooks
2022-07-18 15:23 ` Conor.Dooley [this message]
2022-07-05 21:52 ` [PATCH v5 04/13] dt-bindings: memory-controllers: add canaan k210 sram controller Conor Dooley
2022-07-06 14:48 ` Rob Herring
2022-07-10 19:39 ` Conor.Dooley
2022-07-10 23:21 ` Damien Le Moal
2022-07-12 15:54 ` Conor.Dooley
2022-07-12 15:59 ` Krzysztof Kozlowski
2022-07-12 16:04 ` Conor.Dooley
2022-08-16 9:27 ` Krzysztof Kozlowski
2022-08-16 9:31 ` Conor.Dooley
2022-07-05 21:52 ` [PATCH v5 05/13] riscv: dts: canaan: fix the k210's memory node Conor Dooley
2022-07-05 21:52 ` [PATCH v5 06/13] riscv: dts: canaan: fix the k210's timer nodes Conor Dooley
2022-07-05 21:52 ` [PATCH v5 07/13] riscv: dts: canaan: fix mmc node names Conor Dooley
2022-07-05 21:52 ` [PATCH v5 08/13] riscv: dts: canaan: fix kd233 display spi frequency Conor Dooley
2022-07-05 21:52 ` [PATCH v5 09/13] riscv: dts: canaan: use custom compatible for k210 i2s Conor Dooley
2022-07-05 21:52 ` [PATCH v5 10/13] riscv: dts: canaan: remove spi-max-frequency from controllers Conor Dooley
2022-07-05 21:52 ` [PATCH v5 11/13] riscv: dts: canaan: fix bus {ranges,reg} warnings Conor Dooley
2022-07-05 21:52 ` [PATCH v5 12/13] riscv: dts: canaan: add specific compatible for kd233's LCD Conor Dooley
2022-07-05 21:52 ` [PATCH v5 13/13] riscv: dts: canaan: build all devicetress if SOC_CANAAN Conor Dooley
2022-07-06 8:03 ` [PATCH v5 00/13] Canaan devicetree fixes Geert Uytterhoeven
2022-07-06 8:21 ` Conor.Dooley
2022-07-06 11:55 ` Damien Le Moal
2022-07-06 12:01 ` Conor.Dooley
2022-07-06 8:09 ` Geert Uytterhoeven
2022-07-14 22:04 ` Palmer Dabbelt
2022-07-14 22:11 ` Conor.Dooley
2022-08-05 17:51 ` Conor.Dooley
2022-08-10 22:01 ` Palmer Dabbelt
2022-08-11 6:26 ` Conor.Dooley
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