[PATCH RESEND v29 1/4] dt-bindings: i2c: Split AST2600 binding into a new YAML

[Rob Herring (Arm)]

On Wed, 13 May 2026 13:32:00 +0800, Ryan Chen wrote:
> The AST2600 I2C controller introduces a completely new register layout
> with separate controller and target register blocks, unlike the mixed
> register layout used by AST2400/AST2500.
> 
> Move AST2600 I2C binding from aspeed,i2c.yaml to a dedicated
> aspeed,ast2600-i2c.yaml schema.
> 
> Besides the split, this also adjusts for AST2600-specific requirements.
> - require two reg regions (controller register block + buffer block)
> - use clock-frequency for bus speed description
> - interrupts are required on AST2600
> - use correct DTS coding style in example
> 
> No compatible strings are changed.
> 
> Signed-off-by: Ryan Chen <ryan_chen at aspeedtech.com>
> ---
> Changes in v26:
> - commit message: include details of changes from original binding
> - fix example property ordering to follow DTS coding style
> - use consistent "AST2600" naming
> ---
>  .../bindings/i2c/aspeed,ast2600-i2c.yaml           | 62 ++++++++++++++++++++++
>  .../devicetree/bindings/i2c/aspeed,i2c.yaml        |  3 +-
>  2 files changed, 63 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>