linux-kernel - Re: [PATCH v2 1/2] dt-bindings: i2c: spacemit: add support for K1 SoC

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Message-ID: <8a04f84b-453b-44e5-9053-204a08d38e19@sifive.com>
Date: Mon, 4 Nov 2024 20:50:52 -0600
From: Samuel Holland <samuel.holland@...ive.com>
To: Troy Mitchell <troymitchell988@...il.com>
Cc: andi.shyti@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
 Krzysztof Kozlowski <krzk@...nel.org>
Subject: Re: [PATCH v2 1/2] dt-bindings: i2c: spacemit: add support for K1 SoC

Hi Troy,

On 2024-11-04 7:14 PM, Troy Mitchell wrote:
> 
> On 2024/11/4 22:48, Krzysztof Kozlowski wrote:
>> On 04/11/2024 14:01, Troy Mitchell wrote:
>>>
>>> On 2024/10/31 16:00, Krzysztof Kozlowski wrote:
>>>> On Tue, Oct 29, 2024 at 04:36:00PM +0800, Troy Mitchell wrote:
>>>>> On 2024/10/28 15:38, Krzysztof Kozlowski wrote:
>>>>>> On Mon, Oct 28, 2024 at 01:32:19PM +0800, Troy Mitchell wrote:
>>>>>>> The I2C of K1 supports fast-speed-mode and high-speed-mode,
>>>>>>> and supports FIFO transmission.
>>>>>>>
>>>>>>> Signed-off-by: Troy Mitchell <TroyMitchell988@...il.com>
>>>>>>> ---
>>> Change in v2:
>>>  - Change the maxItems of reg from 1 to 2 in properties
>>
>> Why?
> I need the address and size. In v1, I wrote it as 1, and I got the make
> dt_binding_check error.

One "<address size>" element is just one item. maxItems > 1 would be for
hardware with multiple discontiguous register ranges: <address1 size1>,
<address2 size2>.

Regards,
Samuel