Hi,
On Fri, Jan 26, 2018 at 04:19:35PM +0100, Philipp Rossak wrote:
> This patch adds support for the A83T ths sensor.
>
> The A83T does not support interrupts. This seems to be broken.
Though, you use support_irq = true below. And in my tests, IRQ for THS works on
A83T.
regards,
o.
> The calibration data is writen at the begin of the init process.
>
> Signed-off-by: Philipp Rossak <embed3d@xxxxxxxxx>
> ---
> drivers/iio/adc/sun4i-gpadc-iio.c | 38 ++++++++++++++++++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
> index f2e0ec65c53e..b8693afcdbea 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 = {
> SUNXI_THS_TEMP_PERIOD(0x7),
> };
>
> +static const struct gpadc_data sun8i_a83t_ths_data = {
> + .temp_offset = -2724,
> + .temp_scale = -70,
> + .temp_data = {SUNXI_THS_TDATA0,
> + SUNXI_THS_TDATA1,
> + SUNXI_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 = SUNXI_THS_ACQ0(0x1f3),
> + .ctrl2_map = SUNXI_THS_ACQ1(0x1f3),
> + .sensor_en_map = SUNXI_THS_TEMP_SENSE_EN0 |
> + SUNXI_THS_TEMP_SENSE_EN1 |
> + SUNXI_THS_TEMP_SENSE_EN2,
> + .filter_map = SUNXI_THS_FILTER_EN |
> + SUNXI_THS_FILTER_TYPE(0x2),
> + .irq_clear_map = SUNXI_THS_INTS_ALARM_INT_0 |
> + SUNXI_THS_INTS_ALARM_INT_1 |
> + SUNXI_THS_INTS_ALARM_INT_2 |
> + SUNXI_THS_INTS_SHUT_INT_0 |
> + SUNXI_THS_INTS_SHUT_INT_1 |
> + SUNXI_THS_INTS_SHUT_INT_2 |
> + SUNXI_THS_INTS_TDATA_IRQ_0 |
> + SUNXI_THS_INTS_TDATA_IRQ_1 |
> + SUNXI_THS_INTS_TDATA_IRQ_2,
> + .irq_control_map = SUNXI_THS_INTC_TDATA_IRQ_EN0 |
> + SUNXI_THS_INTC_TDATA_IRQ_EN1 |
> + SUNXI_THS_INTC_TDATA_IRQ_EN2 |
> + SUNXI_THS_TEMP_PERIOD(0x257),
> +};
> +
> struct sun4i_gpadc_iio {
> struct iio_dev *indio_dev;
> struct completion completion;
> @@ -672,6 +706,10 @@ static const struct of_device_id sun4i_gpadc_of_id[] = {
> .compatible = "allwinner,sun8i-h3-ths",
> .data = &sun8i_h3_ths_data,
> },
> + {
> + .compatible = "allwinner,sun8i-a83t-ths",
> + .data = &sun8i_a83t_ths_data,
> + },
> { /* sentinel */ }
> };
>
> --
> 2.11.0
>
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