From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Philipp Rossak Date: Sun, 21 Jan 2018 23:14:09 +0100 Subject: drv:iio:adc: sun4i-gpadc-iio: add H3 thermal sensor This patch adds support for the H3 ths sensor. The H3 supports interrupts. The interrupt is configured to update the the sensor values every second. The calibration data is writen at the begin of the init process. Signed-off-by: Philipp Rossak --- drivers/iio/adc/sun4i-gpadc-iio.c | 29 ++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index 5c898fc85711..78eabf98ff76 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -141,6 +141,31 @@ static const struct gpadc_data sun8i_a33_gpadc_data = { .support_irq = false, }; +static const struct gpadc_data sun8i_h3_ths_data = { + .temp_offset = -1791, + .temp_scale = -121, + .temp_data = {SUNXI_THS_TDATA0, 0, 0, 0}, + .sample_start = sunxi_ths_sample_start, + .sample_end = sunxi_ths_sample_end, + .has_bus_clk = true, + .has_bus_rst = true, + .has_mod_clk = true, + .sensor_count = 1, + .supports_nvmem = true, + .support_irq = true, + .ctrl0_map = SUNXI_THS_ACQ0(0xff), + .ctrl2_map = SUNXI_THS_ACQ1(0x3f), + .sensor_en_map = SUNXI_THS_TEMP_SENSE_EN0, + .filter_map = SUNXI_THS_FILTER_EN | + SUNXI_THS_FILTER_TYPE(0x2), + .irq_clear_map = SUNXI_THS_INTS_ALARM_INT_0 | + SUNXI_THS_INTS_SHUT_INT_0 | + SUNXI_THS_INTS_TDATA_IRQ_0 | + SUNXI_THS_INTS_ALARM_OFF_0, + .irq_control_map = SUNXI_THS_INTC_TDATA_IRQ_EN0 | + SUNXI_THS_TEMP_PERIOD(0x7), +}; + struct sun4i_gpadc_iio { struct iio_dev *indio_dev; struct completion completion; @@ -637,6 +662,10 @@ static const struct of_device_id sun4i_gpadc_of_id[] = { .compatible = "allwinner,sun8i-a33-ths", .data = &sun8i_a33_gpadc_data, }, + { + .compatible = "allwinner,sun8i-h3-ths", + .data = &sun8i_h3_ths_data, + }, { /* sentinel */ } }; -- Armbian