On Mon, Jun 15, 2015 at 10:49 AM, Vaibhav Hiremath <vaibhav.hiremath@xxxxxxxxxx> wrote: > With addition of PXA910 family of devices, the TWSI module supports > new feature which allows us to adjust SCLK. > With DT properties i2c-pxa driver takes input configuration > in nsec and converts it to respective bit-fields, > > - i2c-sclk-low-time-ns : SCLK low time (tlow) > This property is used along with mode selection. > - i2c-sclk-high-time-ns : SCLK high time (thigh) > > Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/i2c/i2c-pxa.txt | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-pxa.txt b/Documentation/devicetree/bindings/i2c/i2c-pxa.txt > index 9657db5..0fafd91 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c-pxa.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-pxa.txt > @@ -23,12 +23,25 @@ Optional properties : > - i2c-disable-after-xfer : If set, driver will disable I2C module > after msg xfer and enable it again before xfer. > > + (Applicable to PXA910 family): > + > + - i2c-sclk-low-time-ns : SCLK low time (tlow), for standard/fast/high > + speed mode. > + This property is used along with mode selection. Driver uses this property > + to set low/high time for standard and fast speed mode, as counter bit-field > + is same for both. This belongs below both properties, and it should be clear that both properties are required if present. > + - i2c-sclk-high-time-ns : SCLK high time (thigh), Used in case of high speed > + mode. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
