[PATCH v4 resend 2/5] reset: cix: add audss support to sky1 reset driver

[Philipp Zabel]

On Mi, 2026-06-17 at 14:40 +0800, joakim.zhang at cixtech.com wrote:
> From: Joakim Zhang <joakim.zhang at cixtech.com>
> 
> Extend the Sky1 reset controller driver for the AUDSS CRU syscon. The
> AUDSS block provides sixteen active-low software reset bits in one
> register for audio subsystem peripherals, reusing the existing
> regmap-based reset ops used by the FCH and S5 system control variants.
> 
> Signed-off-by: Joakim Zhang <joakim.zhang at cixtech.com>
> ---
>  drivers/reset/reset-sky1.c | 86 ++++++++++++++++++++++++++++++++++++--
>  1 file changed, 83 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/reset/reset-sky1.c b/drivers/reset/reset-sky1.c
> index 78e80a533c39..af32ee005ebc 100644
> --- a/drivers/reset/reset-sky1.c
> +++ b/drivers/reset/reset-sky1.c
[...]
> @@ -343,21 +379,65 @@ static int sky1_reset_probe(struct platform_device *pdev)
>  	sky1src->rcdev.of_node   = dev->of_node;
>  	sky1src->rcdev.dev       = dev;
>  
> -	return devm_reset_controller_register(dev, &sky1src->rcdev);
> +	ret = devm_reset_controller_register(dev, &sky1src->rcdev);
> +	if (ret)
> +		return ret;
> +
> +	platform_set_drvdata(pdev, sky1src);
> +
> +	if (of_device_is_compatible(dev->of_node, "cix,sky1-audss-system-control")) {

The compatible was already evaluated by of_device_get_match_data(), you
could check (variant == &variant_sky1_audss) here.


regards
Philipp