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SubjectRe: [linux-sunxi] [PATCH 10/16] iio: adc: sun4i-gpadc-iio: add support for A83T thermal sensor
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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@gmail.com>
>> ---
>> 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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