[PATCH 2/3] iio: adc: sun20i-gpadc: add A523 gpadc support

Jonathan Cameron jic23 at kernel.org
Tue May 12 04:51:06 PDT 2026


On Sun, 10 May 2026 14:57:23 +0200
Michal Piekos <michal.piekos at mmpsystems.pl> wrote:

> A523 differs from existing sun20i-gpadc-iio by having two clocks; bus
> clock and module clock.
> 
> Change driver to enable all clocks.
> 
> Signed-off-by: Michal Piekos <michal.piekos at mmpsystems.pl>
I'm expecting this to change given comment on not being quite compatible so
I'll wait for v2 before reviewing.

Thanks,

Jonathan

> ---
>  drivers/iio/adc/sun20i-gpadc-iio.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/sun20i-gpadc-iio.c b/drivers/iio/adc/sun20i-gpadc-iio.c
> index 861c14da75ad..dd4c7e6e3d76 100644
> --- a/drivers/iio/adc/sun20i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun20i-gpadc-iio.c
> @@ -180,7 +180,7 @@ static int sun20i_gpadc_probe(struct platform_device *pdev)
>  	struct iio_dev *indio_dev;
>  	struct sun20i_gpadc_iio *info;
>  	struct reset_control *rst;
> -	struct clk *clk;
> +	struct clk_bulk_data *clks;
>  	int irq;
>  	int ret;
>  
> @@ -205,9 +205,9 @@ static int sun20i_gpadc_probe(struct platform_device *pdev)
>  	if (IS_ERR(info->regs))
>  		return PTR_ERR(info->regs);
>  
> -	clk = devm_clk_get_enabled(dev, NULL);
> -	if (IS_ERR(clk))
> -		return dev_err_probe(dev, PTR_ERR(clk), "failed to enable bus clock\n");
> +	ret = devm_clk_bulk_get_all_enabled(dev, &clks);
> +	if (ret < 0)
> +		return dev_err_probe(dev, ret, "failed to enable clocks\n");
>  
>  	rst = devm_reset_control_get_exclusive(dev, NULL);
>  	if (IS_ERR(rst))
> 




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