On Mon, Jan 29, 2018 at 12:29:13AM +0100, Philipp Rossak wrote:
> This patch adds support for the A83T ths sensor.
> 
> The A83T supports interrupts. The interrupt is configured to update the
> the sensor values every second.
> 
> Signed-off-by: Philipp Rossak <embe...@gmail.com>
> ---
>  drivers/iio/adc/sun4i-gpadc-iio.c | 38 ++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/sun4i-gpadc.h   | 18 ++++++++++++++++++
>  2 files changed, 56 insertions(+)
> 
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c 
> b/drivers/iio/adc/sun4i-gpadc-iio.c
> index 8196203d65fe..9f7895ba1966 100644
> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
> @@ -170,6 +170,40 @@ static const struct gpadc_data sun8i_h3_ths_data = {
>               SUN8I_H3_THS_TEMP_PERIOD(0x7),
>  };
>  
> +static const struct gpadc_data sun8i_a83t_ths_data = {
> +     .temp_offset = -2724,
> +     .temp_scale = -70,
> +     .temp_data = {SUN8I_H3_THS_TDATA0,
> +             SUN8I_A83T_THS_TDATA1,
> +             SUN8I_A83T_THS_TDATA2,
> +             0},
> +     .sample_start = sunxi_ths_sample_start,
> +     .sample_end = sunxi_ths_sample_end,
> +     .sensor_count = 3,
> +     .supports_nvmem = false,
> +     .support_irq = true,
> +     .ctrl0_map = SUN4I_GPADC_CTRL0_T_ACQ(0x1f3),
> +     .ctrl2_map = SUN8I_H3_THS_ACQ1(0x1f3),

Where are these values coming from?

> +     .sensor_en_map = SUN8I_H3_THS_TEMP_SENSE_EN0 |
> +             SUN8I_A83T_THS_TEMP_SENSE_EN1 |
> +             SUN8I_A83T_THS_TEMP_SENSE_EN2,
> +     .filter_map = SUN4I_GPADC_CTRL3_FILTER_EN |
> +             SUN4I_GPADC_CTRL3_FILTER_TYPE(0x2),
> +     .irq_clear_map = SUN8I_H3_THS_INTS_ALARM_INT_0 |
> +             SUN8I_A83T_THS_INTS_ALARM_INT_1 |
> +             SUN8I_A83T_THS_INTS_ALARM_INT_2 |
> +             SUN8I_H3_THS_INTS_SHUT_INT_0  |
> +             SUN8I_A83T_THS_INTS_SHUT_INT_1  |
> +             SUN8I_A83T_THS_INTS_SHUT_INT_2  |
> +             SUN8I_H3_THS_INTS_TDATA_IRQ_0 |
> +             SUN8I_A83T_THS_INTS_TDATA_IRQ_1 |
> +             SUN8I_A83T_THS_INTS_TDATA_IRQ_2,

Do you reall need to clear all these interrupts if you're using only
one?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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