Re: [linux-sunxi] [PATCH 10/16] iio: adc: sun4i-gpadc-iio: add support for A83T thermal sensor

[Philipp Rossak <embed3d@xxxxxxxxx>]

On 26.01.2018 18:46, Ondřej Jirman wrote:
> 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.

Oh I totally forgot to update this commit message, after I fixed the 
devicetree and got it running.
I will fix that in the next version of this patch series.

> > 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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Thanks,
Philipp
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