Re: [PATCH v3 0/6] soc: qcom: add support for the I2C Master Hub

From: Wolfram Sang
Date: Thu Dec 01 2022 - 17:50:46 EST


On Tue, Nov 29, 2022 at 03:47:00PM +0100, Neil Armstrong wrote:
> The I2C Master Hub is a stripped down version of the GENI Serial Engine
> QUP Wrapper Controller but only supporting I2C serial engines without
> DMA support.
>
> The I2C Master Hub only supports a variant of the I2C serial engine with:
> - a separate "core" clock
> - no DMA support
> - non discoverable fixed FIFO size
>
> Since DMA isn't supported, the wrapper doesn't need the Master AHB clock
> and the iommus property neither.
>
> This patchset adds the bindings changes to the QUPv3 wrapper and I2C serial
> element bindings to reflect the different resources requirements.
>
> In order to reuse the QUPv3 wrapper and I2C serial element driver support,
> the I2C Master Hub requirements are expressed in new desc structs passed
> as device match data.

Is everyone fine if I take all this via the I2C tree?

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