[PATCH 2/3] iio: adc: sun20i-gpadc: add A523 gpadc support
Andre Przywara
andre.przywara at arm.com
Tue May 12 06:48:05 PDT 2026
Hi,
On 5/12/26 13:51, Jonathan Cameron wrote:
> 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.
Yes, we need a v2, but just for adding the new compatible string.
Otherwise I think this patch is a neat solution, because we don't need
to further differentiate between the different SoC's number of required
clocks.
Cheers,
Andre
>
> 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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