diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index 98b30475bbc6..b6a950ed9501 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -805,6 +805,7 @@ static int vf610_adc_probe(struct platform_device *pdev)
 	struct resource *mem;
 	int irq;
 	int ret;
+	u32 channels;
 
 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct vf610_adc));
 	if (!indio_dev) {
@@ -861,13 +862,18 @@ static int vf610_adc_probe(struct platform_device *pdev)
 
 	init_completion(&info->completion);
 
+	ret  = of_property_read_u32(pdev->dev.of_node,
+					"num-channels", &channels);
+	if (ret)
+		channels = ARRAY_SIZE(vf610_adc_iio_channels);
+
 	indio_dev->name = dev_name(&pdev->dev);
 	indio_dev->dev.parent = &pdev->dev;
 	indio_dev->dev.of_node = pdev->dev.of_node;
 	indio_dev->info = &vf610_adc_iio_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->channels = vf610_adc_iio_channels;
-	indio_dev->num_channels = ARRAY_SIZE(vf610_adc_iio_channels);
+	indio_dev->num_channels = (int)channels;
 
 	ret = clk_prepare_enable(info->clk);
 	if (ret) {