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| author | Mia Lin <mimi05633@gmail.com> | 2023-11-13 18:38:07 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-01-18 01:05:33 +0100 |
| commit | 14688f1a91e1f37bc6bf50ff5241e857f24338e0 (patch) | |
| tree | 615ebb114ff3ea9122bb45a022f7705314a07a23 /Documentation | |
| parent | f5334aa88345874d54a406e86a886a54173e1ba8 (diff) | |
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
The NCT3015Y-R and NCT3018Y-R use the same datasheet
but have different topologies as follows.
- Topology (Only 1st i2c can set TWO bit and HF bit)
In NCT3015Y-R,
rtc 1st i2c is connected to a host CPU
rtc 2nd i2c is connected to a BMC
In NCT3018Y-R,
rtc 1st i2c is connected to a BMC
rtc 2nd i2c is connected to a host CPU
In order to be compatible with NCT3015Y-R and NCT3018Y-R,
- In probe,
If part number is NCT3018Y-R, only set HF bit to 24-Hour format.
Else, do nothing
- In set_time,
If part number is NCT3018Y-R && TWO bit is 0,
change TWO bit to 1, and restore TWO bit after updating time.
Signed-off-by: Mia Lin <mimi05633@gmail.com>
Link: https://lore.kernel.org/r/20231113103807.1036978-2-mimi05633@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions