* Kernel Doc on Navigating I2C Sysfs for I2C Topology
@ 2021-02-10 19:04 Alex Qiu
2021-02-12 23:53 ` Alex Qiu
2021-02-19 4:56 ` Alex Qiu
0 siblings, 2 replies; 3+ messages in thread
From: Alex Qiu @ 2021-02-10 19:04 UTC (permalink / raw)
To: peda, Wolfram Sang; +Cc: Linux I2C, Guenter Roeck
Hi Peter and Wolfram,
I'm looking for some documentation online to guide hardware engineers
on how to find out what logical I2C bus number to use for i2ctools in
sysfs when they know the physical I2C topology (BMC physical bus
number and MUX channels). I read through the doc under
Documentation/i2c/, but didn't find any. I didn't find much on this by
searching the Internet, either.
Is it some doc that I can add to Documentation/i2c/ or
Documentation/i2c/i2c-topology.rst? Any suggestions or thoughts?
Thank you!
- Alex Qiu
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Kernel Doc on Navigating I2C Sysfs for I2C Topology
2021-02-10 19:04 Kernel Doc on Navigating I2C Sysfs for I2C Topology Alex Qiu
@ 2021-02-12 23:53 ` Alex Qiu
2021-02-19 4:56 ` Alex Qiu
1 sibling, 0 replies; 3+ messages in thread
From: Alex Qiu @ 2021-02-12 23:53 UTC (permalink / raw)
To: peda, Wolfram Sang; +Cc: Linux I2C, Guenter Roeck
On Wed, Feb 10, 2021 at 11:04 AM Alex Qiu <xqiu@google.com> wrote:
>
> Hi Peter and Wolfram,
>
> I'm looking for some documentation online to guide hardware engineers
> on how to find out what logical I2C bus number to use for i2ctools in
> sysfs when they know the physical I2C topology (BMC physical bus
> number and MUX channels). I read through the doc under
> Documentation/i2c/, but didn't find any. I didn't find much on this by
> searching the Internet, either.
>
> Is it some doc that I can add to Documentation/i2c/ or
> Documentation/i2c/i2c-topology.rst? Any suggestions or thoughts?
>
> Thank you!
>
> - Alex Qiu
Friendly ping. :)
- Alex Qiu
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Kernel Doc on Navigating I2C Sysfs for I2C Topology
2021-02-10 19:04 Kernel Doc on Navigating I2C Sysfs for I2C Topology Alex Qiu
2021-02-12 23:53 ` Alex Qiu
@ 2021-02-19 4:56 ` Alex Qiu
1 sibling, 0 replies; 3+ messages in thread
From: Alex Qiu @ 2021-02-19 4:56 UTC (permalink / raw)
To: peda, Wolfram Sang; +Cc: Linux I2C, Guenter Roeck
On Wed, Feb 10, 2021 at 11:04 AM Alex Qiu <xqiu@google.com> wrote:
>
> Hi Peter and Wolfram,
>
> I'm looking for some documentation online to guide hardware engineers
> on how to find out what logical I2C bus number to use for i2ctools in
> sysfs when they know the physical I2C topology (BMC physical bus
> number and MUX channels). I read through the doc under
> Documentation/i2c/, but didn't find any. I didn't find much on this by
> searching the Internet, either.
>
> Is it some doc that I can add to Documentation/i2c/ or
> Documentation/i2c/i2c-topology.rst? Any suggestions or thoughts?
>
> Thank you!
>
> - Alex Qiu
Another ping. :)
I had the doc drafted and reviewed internally in Google, and I'm going
ahead to create a kernel patch on Documentation at some point. Right
now I think I'm going to add a new page as
Documentation/i2c/i2c-sysfs.rst.
Thanks!
- Alex Qiu
^ permalink raw reply [flat|nested] 3+ messages in thread
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