* use the LTC2990 monitors the temperature
@ 2020-05-06 2:38 hgfcc
2020-05-06 12:11 ` Milton Miller II
0 siblings, 1 reply; 2+ messages in thread
From: hgfcc @ 2020-05-06 2:38 UTC (permalink / raw)
To: openbmc
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Hello, I use the LTC2990 to monitor the motherboard temperature. But the LTC2990 has four monitoring pins. How can I configure it to specify which pin I use. For example, I only used the second and third pins.
Regards,
Garnet
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: use the LTC2990 monitors the temperature
2020-05-06 2:38 use the LTC2990 monitors the temperature hgfcc
@ 2020-05-06 12:11 ` Milton Miller II
0 siblings, 0 replies; 2+ messages in thread
From: Milton Miller II @ 2020-05-06 12:11 UTC (permalink / raw)
To: hgfcc; +Cc: openbmc
On May 5, 2020 abou 9:39PM in some timezone, hgfcc <lemon_zhang555@163.com> wrote:
>Hello, I use the LTC2990 to monitor the motherboard temperature. But
>the LTC2990 has four monitoring pins. How can I configure it to
>specify which pin I use. For example, I only used the second and
>third pins.
The configuration of the LTC2990 is set in the device tree, see the
binding document in the kernel:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/hwmon/ltc2990.txt
However, when I look at the datasheet, I see any way to use only
pins 2 and 3. You can skip the measurements of pins 1 and 2 or
pins 3 and 4 or just the internal measurements.
milton
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2020-05-06 2:38 use the LTC2990 monitors the temperature hgfcc
2020-05-06 12:11 ` Milton Miller II
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