Re: Question related i2c fixed clk rate

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Hi

+ Cc AMD contacts from acpi_apd.c changelog

On 08/25/2016 08:00 PM, Shah, Nehal-bakulchandra wrote:
Hi,
I am new to this. Appreciate your help for my query.
I am working on updating i2c-designware clock rate for AMD upcoming platform. Here new 150000000 clk rate will be supported. I want to validate this but currently in our platform I do not have any i2c lines out. Is there any tool or way to check if this is getting setup properly.
Basically I want to change
 .fixed_clk_rate = 133000000 to
.fixed_clk_rate = 150000000 in acpi_apd.c file.

I guess what you want is to have a new static struct apd_device_desc descriptor in drivers/acpi/acpi_apd.c and a new entry to acpi_apd_device_ids[] for your new platform.

Something like what commits b790eb20b8e4 ("ACPI / APD: Add APM X-Gene ACPI I2C device support") does.

--
Jarkko
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