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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/hwmon/twl4030-madc-hwmon.rst | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/hwmon/twl4030-madc-hwmon.rst')
-rw-r--r-- | Documentation/hwmon/twl4030-madc-hwmon.rst | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/hwmon/twl4030-madc-hwmon.rst b/Documentation/hwmon/twl4030-madc-hwmon.rst new file mode 100644 index 000000000..22c885383 --- /dev/null +++ b/Documentation/hwmon/twl4030-madc-hwmon.rst @@ -0,0 +1,49 @@ +Kernel driver twl4030-madc +========================== + +Supported chips: + + * Texas Instruments TWL4030 + + Prefix: 'twl4030-madc' + + +Authors: + J Keerthy <j-keerthy@ti.com> + +Description +----------- + +The Texas Instruments TWL4030 is a Power Management and Audio Circuit. Among +other things it contains a 10-bit A/D converter MADC. The converter has 16 +channels which can be used in different modes. + + +See this table for the meaning of the different channels + +======= ========================================================== +Channel Signal +======= ========================================================== +0 Battery type(BTYPE) +1 BCI: Battery temperature (BTEMP) +2 GP analog input +3 GP analog input +4 GP analog input +5 GP analog input +6 GP analog input +7 GP analog input +8 BCI: VBUS voltage(VBUS) +9 Backup Battery voltage (VBKP) +10 BCI: Battery charger current (ICHG) +11 BCI: Battery charger voltage (VCHG) +12 BCI: Main battery voltage (VBAT) +13 Reserved +14 Reserved +15 VRUSB Supply/Speaker left/Speaker right polarization level +======= ========================================================== + + +The Sysfs nodes will represent the voltage in the units of mV, +the temperature channel shows the converted temperature in +degree Celsius. The Battery charging current channel represents +battery charging current in mA. |