75 lines
2.2 KiB
Diff
75 lines
2.2 KiB
Diff
From b5198c4ec21a9848d18827991b18d4d586851b13 Mon Sep 17 00:00:00 2001
|
|
From: Philipp Rossak <embed3d@gmail.com>
|
|
Date: Sun, 21 Jan 2018 18:50:11 +0100
|
|
Subject: [PATCH 039/101] 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 <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 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 */ }
|
|
};
|
|
|
|
--
|
|
2.31.1
|
|
|