Re: [PATCH v7 3/7] iio: adc: mcp3564: Add support for spi-device-addr

On Wed, 2026-07-22 at 09:54 +0200, Janani Sunil wrote:
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> 
> Read the generic spi-device-addr property when determining the
> hardware
> device address. Fall back to the deprecated microchip,hw-device-
> address
> property to preserve compatibility with existing device trees.
> 
> The device address remains 1 when neither property is present.
> 
> Signed-off-by: Janani Sunil <[email protected]>
> ---
>  drivers/iio/adc/mcp3564.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/mcp3564.c b/drivers/iio/adc/mcp3564.c
> index 36675563829e..71deb05e878e 100644
> --- a/drivers/iio/adc/mcp3564.c
> +++ b/drivers/iio/adc/mcp3564.c
> @@ -1122,7 +1122,9 @@ static int mcp3564_config(struct iio_dev
> *indio_dev, bool *use_internal_vref_att
>          * addresses are available when multiple devices are present
> on the same
>          * SPI bus with only one Chip Select line for all devices.
>          */
> -       device_property_read_u32(dev, "microchip,hw-device-address",
> &tmp);
> +       ret = device_property_read_u32(dev, "spi-device-addr", &tmp);
> +       if (ret)
> +               device_property_read_u32(dev, "microchip,hw-device-
> address", &tmp);
> 
>         if (tmp > 3) {
>                 dev_err_probe(dev, tmp,
> 
> --
> 2.43.0

Reviewed-by: Marius Cristea <[email protected]>