[PATCH v2 0/6] Introduce initial support for the AMD I3C (non-HCI) to DW driver

Jarkko Nikula jarkko.nikula at linux.intel.com
Mon Nov 4 05:37:47 PST 2024


On 10/29/24 5:15 PM, Shyam Sundar S K wrote:
> Hi Jarkko,
> 
> On 10/23/2024 11:21, Shyam Sundar S K wrote:
>> The AMD EPYC platform design has DIMMs connected over the I3C bus, with
>> each DIMM containing three components: SPD, PMIC, and RCD.
>>
>> To access component-specific information within the DIMMs, such as initial
>> dynamic address, static address, and provisional ID, ACPI support is
>> necessary for the I3C core. This requires adding ACPI binding to the
>> dw-i3c-master driver and retrieving slave information from the AMD ASL.
>>
>> Currently, the code is closely tied to dt-bindings. This initial set aims
>> to decouple some of these bindings by adding the AMD-specific _HID,
>> enabling the current driver to support ACPI-enabled x86 systems.
>>
>> In this series, support for following features has been added.
>> - X86/ACPI support to i3c core
>> - Support for SETAASA CCC command
>> - Add routines to plugin a SPD device to the i3c bus
>> - Workaround for AMD hardware
>> - Add dw-i3c-master driver with ACPI bindings
>>
>>
> 
> Any feedback on this series, please?
> 
Sorry, I thought I was accidentally CC'ed to the series :-)

Since I went now reading the series I'll some comments.



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