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| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-05-05 16:23:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-05-05 17:10:10 -0700 |
| commit | c71f1e05e62f3eb843b6458eeb7298f269b34b1e (patch) | |
| tree | 5d6842faa6a7aab3bed6a81d48492759d6a37742 /Documentation | |
| parent | 01e76903f655a4d88c2e09d3182436c65f6e1213 (diff) | |
| download | lwn-c71f1e05e62f3eb843b6458eeb7298f269b34b1e.tar.gz lwn-c71f1e05e62f3eb843b6458eeb7298f269b34b1e.zip | |
Documentation: bindings: add abracon,abx80x
Document the bindings for abracon,abx80x and related compatibles.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Philippe De Muyter <phdm@macqel.be>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/rtc/abracon,abx80x.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt new file mode 100644 index 000000000000..be789685a1c2 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt @@ -0,0 +1,30 @@ +Abracon ABX80X I2C ultra low power RTC/Alarm chip + +The Abracon ABX80X family consist of the ab0801, ab0803, ab0804, ab0805, ab1801, +ab1803, ab1804 and ab1805. The ab0805 is the superset of ab080x and the ab1805 +is the superset of ab180x. + +Required properties: + + - "compatible": should one of: + "abracon,abx80x" + "abracon,ab0801" + "abracon,ab0803" + "abracon,ab0804" + "abracon,ab0805" + "abracon,ab1801" + "abracon,ab1803" + "abracon,ab1804" + "abracon,ab1805" + Using "abracon,abx80x" will enable chip autodetection. + - "reg": I2C bus address of the device + +Optional properties: + +The abx804 and abx805 have a trickle charger that is able to charge the +connected battery or supercap. Both the following properties have to be defined +and valid to enable charging: + + - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V) + - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output + resistor, the other values are in ohm. |