From dbe72b883294d138061206bb8f2882a88b555d83 Mon Sep 17 00:00:00 2001 From: Philipp Rossak Date: Sun, 21 Jan 2018 18:50:11 +0100 Subject: [PATCH 026/170] drv:iio:adc:sun4i-gpadc-iio: add A83T thermal sensor This patch adds support for the A83T ths sensor. The A83T does not support interrupts. This seems to be broken. The calibration data is writen at the begin of the init process. Signed-off-by: Philipp Rossak --- 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 77199f230..7450a914d 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -167,6 +167,40 @@ 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; @@ -667,6 +701,10 @@ 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 */ } }; -- 2.35.3