lkml.org 
[lkml]   [2014]   [Dec]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] i2c: rk3x: fix bug that cause measured high_ns doesn't meet I2C spec

> + - rise-ns : Number of nanoseconds the signal takes to rise (t(r) in i2c spec).
> + If not specified this is assumed to be the max the spec allows
> + (1000 ns for standard mode, 300 ns for fast mode) which might
> + cause slightly slower communication.
> + - fall-ns : Number of nanoseconds the signal takes to fall (t(f) in the i2c0
> + spec). If not specified this is assumed to be the max the spec
> + allows (300 ns) which might cause slightly slower communication.

We already have those bindings from the designware driver:

- i2c-sda-hold-time-ns : should contain the SDA hold time in nanoseconds.
- i2c-scl-falling-time : should contain the SCL falling time in nanoseconds.
- i2c-sda-falling-time : should contain the SDA falling time in nanoseconds.

Can you reuse them? Or do you really need a specific rise-time property?
If so, please matche the style of the bindings above.

[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2014-12-03 12:21    [W:0.138 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site