Re: [PATCH] stagging:iio:ad9834: add devicetree property support

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Hi,
Thanks for the review. I will send a new patch.
Gwenhael

On 12/09/2016 14:02, Lars-Peter Clausen wrote:
Hi,

Thanks for the patch.

On 09/11/2016 12:52 PM, Gwenhael Goavec-Merou wrote:
+static struct ad9834_platform_data *ad9834_parse_dt(struct spi_device *spi)
+{
+	struct ad9834_platform_data *pdata;
+	struct device_node *np = spi->dev.of_node;
+
+	pdata = devm_kzalloc(&spi->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata)
+		return ERR_PTR(-ENOMEM);
+
+	if (of_property_read_u32(np, "mclk", &pdata->mclk))
+		return ERR_PTR(-ENODEV);

The input clock should be using the standard clock bindings.

+	if (of_property_read_u32(np, "freq0", &pdata->freq0))
+		return ERR_PTR(-ENODEV);
+	if (of_property_read_u32(np, "freq1", &pdata->freq1))
+		return ERR_PTR(-ENODEV);
+	if (of_property_read_u16(np, "phase0", &pdata->phase0))
+		return ERR_PTR(-ENODEV);
+	if (of_property_read_u16(np, "phase1", &pdata->phase1))
+		return ERR_PTR(-ENODEV);
+	pdata->en_div2 = of_property_read_bool(np, "en_div2");
+	pdata->en_signbit_msb_out = of_property_read_bool(np,
+					"en_signbit_msb_out");

The other attributes seem to be more runtime configuration data, rather than
hardware description. Maybe just choose a fixed default.

- Lars

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