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From: <Tudor.Ambarus@microchip.com>
To: <Kavyasree.Kotagiri@microchip.com>, <broonie@kernel.org>,
	<robh+dt@kernel.org>, <krzk+dt@kernel.org>
Cc: devicetree@vger.kernel.org, alexandre.belloni@bootlin.com,
	linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
	Manohar.Puri@microchip.com, UNGLinuxDriver@microchip.com,
	Claudiu.Beznea@microchip.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] spi: atmel,quadspi: Define lan966x QSPI
Date: Thu, 7 Apr 2022 12:54:49 +0000	[thread overview]
Message-ID: <0d1ad948-278d-4cad-9a20-99cf4fa984b9@microchip.com> (raw)
In-Reply-To: <20220407105420.10765-1-kavyasree.kotagiri@microchip.com>

On 4/7/22 13:54, Kavyasree Kotagiri wrote:
> LAN966x SoC supports 3 QSPI controllers. Each of them support
> data and clock frequency upto 100Mhz DDR and QUAD protocol.

How is this IP different than microchip,sama7g5-qspi? Does this speed
limitation come from the IP itself or from the board that you're using?

Neither of these instances support octal mode?

Cheers,
ta

> 
> Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
> ---
>  Documentation/devicetree/bindings/spi/atmel,quadspi.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml b/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
> index 1d493add4053..100d6e7f2748 100644
> --- a/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
> +++ b/Documentation/devicetree/bindings/spi/atmel,quadspi.yaml
> @@ -19,6 +19,7 @@ properties:
>        - microchip,sam9x60-qspi
>        - microchip,sama7g5-qspi
>        - microchip,sama7g5-ospi
> +      - microchip,lan966x-qspi
>  
>    reg:
>      items:

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  parent reply	other threads:[~2022-04-07 12:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07 10:54 [PATCH] spi: atmel,quadspi: Define lan966x QSPI Kavyasree Kotagiri
2022-04-07 11:02 ` Mark Brown
2022-04-07 11:23   ` Michael Walle
2022-04-07 11:31     ` Mark Brown
2022-04-07 11:41       ` Michael Walle
2022-04-07 12:04         ` Krzysztof Kozlowski
2022-04-07 12:05 ` Krzysztof Kozlowski
2022-04-07 12:54 ` Tudor.Ambarus [this message]
2022-04-08 11:52   ` Kavyasree.Kotagiri
2022-04-11 14:46     ` Michael Walle

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