From: Vinod Koul <vkoul@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
linux-renesas-soc@vger.kernel.org,
Magnus Damm <magnus.damm@gmail.com>,
Gareth Williams <gareth.williams.jx@renesas.com>,
Phil Edworthy <phil.edworthy@renesas.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Stephen Boyd <sboyd@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
linux-clk@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, Viresh Kumar <vireshk@kernel.org>,
dmaengine@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Milan Stevanovic <milan.stevanovic@se.com>,
Jimmy Lalande <jimmy.lalande@se.com>,
Pascal Eberhard <pascal.eberhard@se.com>,
Herve Codina <herve.codina@bootlin.com>,
Clement Leger <clement.leger@bootlin.com>
Subject: Re: [PATCH v4 5/9] dma: dw: dmamux: Introduce RZN1 DMA router support
Date: Fri, 11 Mar 2022 15:53:37 +0530 [thread overview]
Message-ID: <YisjKdZWoXJF292S@matsya> (raw)
In-Reply-To: <Yio47YVZuHaFvwE8@smile.fi.intel.com>
On 10-03-22, 19:44, Andy Shevchenko wrote:
> On Thu, Mar 10, 2022 at 04:57:51PM +0100, Miquel Raynal wrote:
> > The Renesas RZN1 DMA IP is based on a DW core, with eg. an additional
> > dmamux register located in the system control area which can take up to
> > 32 requests (16 per DMA controller). Each DMA channel can be wired to
> > two different peripherals.
> >
> > We need two additional information from the 'dmas' property: the channel
> > (bit in the dmamux register) that must be accessed and the value of the
> > mux for this channel.
> >
> > Aside from the driver introduction, as these devices are described as
> > subnodes of the system controller, we also need the system controller
> > (clock) driver to populate its children manually. Starting from now on,
> > one child can be the dmamux.
>
> In all DMA engine related patches the prefix should be "dmaengine:".
Yep!
--
~Vinod
next prev parent reply other threads:[~2022-03-11 10:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-10 15:57 [PATCH v4 0/9] RZN1 DMA support Miquel Raynal
2022-03-10 15:57 ` [PATCH v4 1/9] dt-bindings: dma: Introduce RZN1 dmamux bindings Miquel Raynal
2022-03-11 15:27 ` Rob Herring
2022-03-10 15:57 ` [PATCH v4 2/9] dt-bindings: clock: r9a06g032-sysctrl: Reference the DMAMUX subnode Miquel Raynal
2022-03-11 15:28 ` Rob Herring
2022-03-10 15:57 ` [PATCH v4 3/9] dt-bindings: dma: Introduce RZN1 DMA compatible Miquel Raynal
2022-03-10 15:57 ` [PATCH v4 4/9] soc: renesas: rzn1-sysc: Export function to set dmamux Miquel Raynal
2022-03-10 15:57 ` [PATCH v4 5/9] dma: dw: dmamux: Introduce RZN1 DMA router support Miquel Raynal
2022-03-10 17:44 ` Andy Shevchenko
2022-03-11 10:23 ` Vinod Koul [this message]
2022-03-10 15:57 ` [PATCH v4 6/9] dma: dw: Add RZN1 compatible Miquel Raynal
2022-03-10 15:57 ` [PATCH v4 7/9] dma: dw: Avoid partial transfers Miquel Raynal
2022-03-10 17:50 ` Andy Shevchenko
2022-03-10 18:46 ` Miquel Raynal
2022-03-11 11:24 ` Ilpo Järvinen
2022-03-10 15:57 ` [PATCH v4 8/9] ARM: dts: r9a06g032: Add the two DMA nodes Miquel Raynal
2022-03-10 15:57 ` [PATCH v4 9/9] ARM: dts: r9a06g032: Describe the DMA router Miquel Raynal
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