linux-kernel - Re: [PATCH] mmc: sdhci-iproc: Add ACPI bindings for the rpi4

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Date:   Fri, 8 Jan 2021 13:27:21 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Jeremy Linton <jeremy.linton@....com>, linux-mmc@...r.kernel.org
Cc:     bcm-kernel-feedback-list@...adcom.com, sbranden@...adcom.com,
        rjui@...adcom.com, ulf.hansson@...aro.org, adrian.hunter@...el.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        f.fainelli@...il.com
Subject: Re: [PATCH] mmc: sdhci-iproc: Add ACPI bindings for the rpi4



On 1/8/2021 1:13 PM, Jeremy Linton wrote:
> The rpi4 has a Arasan controller it carries over
> from the rpi3, and a newer eMMC2 controller.
> Because of a couple "quirks" it seems wiser to bind
> these controllers to the same driver that DT is using
> on this platform rather than the generic sdhci_acpi
> driver with PNP0D40.
> 
> So, we use BCM2847 for the older Arasan and BRCME88C
> for the newer eMMC2.
> 
> With this change linux is capable of utilizing the
> SD card slot, and the wifi on this platform
> with linux.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton@....com>

As far as ACPI ID's go:

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian