Re: [PATCH 2/3] dt-bindings: i3c: ast2600: Add resets and reset-names

From: Krzysztof Kozlowski
Date: Tue Aug 08 2023 - 12:57:31 EST


On 08/08/2023 17:42, Dylan Hung wrote:
> Add two reset lines to the AST2600 I3C controller:
> - core_rst: the reset line of the controller itself
> - global_rst: the reset line of the I3C global register block. Since all
> six I3C controllers in AST2600 share this global register block, the
> driver needs to handle this carefully. Generally, this reset line should
> only need to be de-asserted.

The commit msg does not explain why this is now required.

>
> Signed-off-by: Dylan Hung <dylan_hung@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml
> index fcc3dbff9c9a..3166d6f3a39c 100644
> --- a/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml
> +++ b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml
> @@ -23,7 +23,12 @@ properties:
> maxItems: 1
>
> resets:
> - maxItems: 1
> + maxItems: 2
> +
> + reset-names:
> + items:
> + - const: core_rst
> + - const: global_rst
>

Drop "_rst" suffixes from both.

> interrupts:
> maxItems: 1
> @@ -48,6 +53,8 @@ required:
> - compatible
> - reg
> - clocks
> + - resets
> + - reset-names


Best regards,
Krzysztof