linux-kernel - Re: [PATCH 0/6] Add MMC support for Mobileye EyeQ5 and EyeQ6 SoCs

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Message-ID: <aGUfqcbUxvE27Um1@alpha.franken.de>
Date: Wed, 2 Jul 2025 14:01:45 +0200
From: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To: Benoît Monin <benoit.monin@...tlin.com>
Cc: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
	Gregory CLEMENT <gregory.clement@...tlin.com>,
	Théo Lebrun <theo.lebrun@...tlin.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 0/6] Add MMC support for Mobileye EyeQ5 and EyeQ6 SoCs

On Tue, Jun 17, 2025 at 03:25:50PM +0200, Benoît Monin wrote:
> The MMC/SDHCI controller found in Mobileye EyeQ5 and EyeQ6 SoCs is 
> based on Cadence cdns sd4hc IP. It supports up to HS400HS mode. The 
> only peculiarity of the hardware is that it needs the preset value
> quirk to configure the clock properly at speed slower than HS200.
> 
> This patchset adds a compatible device tree binding to cdns sdhci for 
> mobileye then uses it in the sdhci-cadence driver.
> 
> It also adds an emmc entry in the dtsi of each SoC and the config 
> options in each defconfig to allow using an eMMC for the rootfs.
> 
> Benoît Monin (6):
>   dt-bindings: mmc: cdns: add Mobileye EyeQ MMC/SDHCI controller
>   mmc: sdhci-cadence: add Mobileye eyeQ support
>   MIPS: mobileye: dts: eyeq6h: add the emmc controller
>   MIPS: eyeq6_defconfig: add cadence MMC/SDHCI driver
>   MIPS: mobileye: dts: eyeq5: add the emmc controller
>   MIPS: eyeq5_defconfig: add cadence MMC/SDHCI driver
> 
>  .../devicetree/bindings/mmc/cdns,sdhci.yaml   |  1 +
>  arch/mips/boot/dts/mobileye/eyeq5.dtsi        | 22 +++++++++++++++++++
>  arch/mips/boot/dts/mobileye/eyeq6h.dtsi       | 22 +++++++++++++++++++
>  arch/mips/configs/eyeq5_defconfig             |  2 ++
>  arch/mips/configs/eyeq6_defconfig             |  2 ++
>  drivers/mmc/host/sdhci-cadence.c              | 11 ++++++++++
>  6 files changed, 60 insertions(+)

applied patches 3-6 to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]