linux-kernel - Re: [PATCH] mmc: sdhci-of-arasan: Add support for dynamic configuration

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Message-ID: <42b902eb-1ff3-2e44-8128-34d9a86ce8a1@monstr.eu>
Date:   Wed, 2 Nov 2022 07:00:16 -0700
From:   Michal Simek <monstr@...str.eu>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Sai Krishna Potthuri <sai.krishna.potthuri@....com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Michal Simek <michal.simek@...inx.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, saikrishna12468@...il.com,
        git@....com
Subject: Re: [PATCH] mmc: sdhci-of-arasan: Add support for dynamic
 configuration



On 11/2/22 02:37, Adrian Hunter wrote:
> On 19/10/22 08:48, Sai Krishna Potthuri wrote:
>> Add dynamic configuration support for Xilinx ZynqMP which takes care of
>> configuring the SD secure space configuration registers using EEMI APIs,
>> performing SD reset assert and deassert.
>> High level sequence:
>> - Check for the PM dynamic configuration support, if no error proceed with
>> SD dynamic configurations(next steps) otherwise skip the dynamic
>> configuration.
>> - Put the SD Controller in reset.
>> - Configure SD Fixed configurations.
>> - Configure the SD Slot Type.
>> - Configure the BASE_CLOCK.
>> - Configure the 8-bit support.
>> - Bring the SD Controller out of reset.
>> - Wait for 1msec delay.
>>
>> Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@....com>
> 
> Can we get an Ack from xilinx folks?
Xilinx was acquired by AMD some time ago. This has been tested and reviewed 
internally already. But

Acked-by: Michal Simek <michal.simek@....com>

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs