Re: [PATCH 5/6] dt-bindings: spi: Tegra QUAD SPI combined sequence

From: Mark Brown
Date: Fri Feb 04 2022 - 08:47:47 EST


On Fri, Feb 04, 2022 at 03:59:35PM +0530, Krishna Yarlagadda wrote:

> + nvidia,cmb-xfer:
> + description:
> + Enable combined sequence transfers for read and program sequence
> + if supported by hardware. Tegra194 and later chips support this
> + feature. Default is non combined sequence. SPI message should
> + contain CMD-ADDR-DATA transfers to combine and send to hardware.
> + type: boolean

Why is this a DT property - why would systems not wish to use this
feature if it is available?

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