[PATCH v3 1/5] i2c: xiic: make the clock optional

[Abdurrahman Hussain]

On Fri Jan 23, 2026 at 7:20 PM UTC, Andrew Lunn wrote:
> On Fri, Jan 23, 2026 at 08:02:44AM +0000, Abdurrahman Hussain via B4 Relay wrote:
>> From: Abdurrahman Hussain <abdurrahman at nexthop.ai>
>>
>> The xiic driver is designed to operate without explicit clock configuration
>> when clocks are not specified in the firmware. This functionality is
>> already implemented in xiic_setclk(), which performs an early return when
>> either i2c_clk or input_clk are zero:
>>
>> This condition is satisfied when clocks are missing, as clk_get_rate(NULL)
>> returns zero, allowing the driver to rely on hardware-configured timing.
>
> https://elixir.bootlin.com/linux/v6.18.6/source/Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml#L42
>
> The binding indicates the clock is required. You need to update the
> binding to match the code.
>
> 	Andrew

Absolutely! Let me take care of it in v5. Will add the doc change before the
code changes.

Abdurrahman