[PATCH v2 2/3] iio: adc: sun20i-gpadc: add A523 gpadc support
Michal Piekos
michal.piekos at mmpsystems.pl
Tue May 12 21:59:43 PDT 2026
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>
---
drivers/iio/adc/sun20i-gpadc-iio.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/adc/sun20i-gpadc-iio.c b/drivers/iio/adc/sun20i-gpadc-iio.c
index 861c14da75ad..3f1f07b3a385 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 +205,11 @@ 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 or no clocks defined\n");
rst = devm_reset_control_get_exclusive(dev, NULL);
if (IS_ERR(rst))
@@ -243,6 +245,7 @@ static int sun20i_gpadc_probe(struct platform_device *pdev)
static const struct of_device_id sun20i_gpadc_of_id[] = {
{ .compatible = "allwinner,sun20i-d1-gpadc" },
+ { .compatible = "allwinner,sun55i-a523-gpadc" },
{ }
};
MODULE_DEVICE_TABLE(of, sun20i_gpadc_of_id);
--
2.43.0
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