linux-kernel - Re: [PATCH] iio: adc: ad7476: Add support for ADS786X ADCs

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Date:   Fri, 25 Jan 2019 11:04:09 +0100
From:   Ricardo Ribalda Delgado <ricardo@...alda.com>
To:     Alexandru Ardelean <ardeleanalex@...il.com>,
        Jonathan Cameron <jic23@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        alexandru.ardelean@...log.com, linux-iio@...r.kernel.org
Subject: Re: [PATCH] iio: adc: ad7476: Add support for ADS786X ADCs

Sorry, for the last two mails with the wrong [PATCH], instead of
[PATCH v2]. I thought I was "dry-running" my script.

On Fri, Jan 25, 2019 at 11:01 AM Ricardo Ribalda Delgado
<ricardo@...alda.com> wrote:
>
> Add support for ADS7866, ADS7867 and ADS7868 8/10/12 bit Single channel
> ADC.
>
> Datasheet: http://www.ti.com/lit/ds/symlink/ads7868.pdf
>
> Signed-off-by: Ricardo Ribalda Delgado <ricardo@...alda.com>
> ---
> v2: I have missnamed the devices
>  drivers/iio/adc/Kconfig  |  3 ++-
>  drivers/iio/adc/ad7476.c | 20 ++++++++++++++++++++
>  2 files changed, 22 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index f9354e5ee65c..d86900fc2634 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -64,7 +64,8 @@ config AD7476
>         help
>           Say yes here to build support for Analog Devices AD7273, AD7274, AD7276,
>           AD7277, AD7278, AD7475, AD7476, AD7477, AD7478, AD7466, AD7467, AD7468,
> -         AD7495, AD7910, AD7920, AD7920 SPI analog to digital converters (ADC).
> +         AD7495, AD7910, AD7920, AD7920, ADS7866, ADS7867, ADS7868 SPI analog
> +         to digital converters (ADC).
>
>           To compile this driver as a module, choose M here: the
>           module will be called ad7476.
> diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
> index 0549686b9ef8..76747488044b 100644
> --- a/drivers/iio/adc/ad7476.c
> +++ b/drivers/iio/adc/ad7476.c
> @@ -59,6 +59,9 @@ enum ad7476_supported_device_ids {
>         ID_ADC081S,
>         ID_ADC101S,
>         ID_ADC121S,
> +       ID_ADS7866,
> +       ID_ADS7867,
> +       ID_ADS7868,
>  };
>
>  static irqreturn_t ad7476_trigger_handler(int irq, void  *p)
> @@ -157,6 +160,8 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
>  #define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \
>                 BIT(IIO_CHAN_INFO_RAW))
>  #define AD7091R_CHAN(bits) _AD7476_CHAN((bits), 16 - (bits), 0)
> +#define ADS786X_CHAN(bits) _AD7476_CHAN((bits), 12 - (bits), \
> +               BIT(IIO_CHAN_INFO_RAW))
>
>  static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
>         [ID_AD7091R] = {
> @@ -209,6 +214,18 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
>                 .channel[0] = ADC081S_CHAN(12),
>                 .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
>         },
> +       [ID_ADS7866] = {
> +               .channel[0] = ADS786X_CHAN(12),
> +               .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
> +       },
> +       [ID_ADS7867] = {
> +               .channel[0] = ADS786X_CHAN(10),
> +               .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
> +       },
> +       [ID_ADS7868] = {
> +               .channel[0] = ADS786X_CHAN(8),
> +               .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
> +       },
>  };
>
>  static const struct iio_info ad7476_info = {
> @@ -314,6 +331,9 @@ static const struct spi_device_id ad7476_id[] = {
>         {"adc081s", ID_ADC081S},
>         {"adc101s", ID_ADC101S},
>         {"adc121s", ID_ADC121S},
> +       {"ads7866", ID_ADS7866},
> +       {"ads7867", ID_ADS7867},
> +       {"ads7868", ID_ADS7868},
>         {}
>  };
>  MODULE_DEVICE_TABLE(spi, ad7476_id);
> --
> 2.20.1
>


-- 
Ricardo Ribalda