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

Michal Simek monstr at monstr.eu
Wed Nov 2 07:00:16 PDT 2022



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 at amd.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 at amd.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




More information about the linux-arm-kernel mailing list