This adds a DT node to hook up the internal temperature ADC to the
iio-hwmon driver. The various voltage + current ADCs are consumed and
exposed by their respective drivers, but this is not and is always
available. Naming chosen to match the axp20x_ prefix the power sensors
use.
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/2a9bd53a65c4a154cccba622c60cbffcdceaeb95.1683719613.git.noodles@earth.li
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
* http://dl.linux-sunxi.org/AXP/AXP209%20Datasheet%20v1.0_cn.pdf
*/
+/ {
+ pmic-temp {
+ compatible = "iio-hwmon";
+ io-channels = <&axp_adc 4>; /* Internal temperature */
+ };
+};
+
&axp209 {
compatible = "x-powers,axp209";
interrupt-controller;