On 16/12/16 09:44, Peter Rosin wrote: > The ACOK pin on the bq24735 is active-high, of course meaning that when > AC is OK the pin is high. However, all Tegra dts files have incorrectly > specified active-high even though the signal is inverted on the Tegra > boards. This has worked since the Linux driver has also inverted the > meaning of the GPIO. Fix this situation by simply specifying in the > bindings what everybody else agrees on; that the ti,ac-detect-gpios is > active on AC adapter absence. > > Signed-off-by: Peter Rosin <peda@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/power/supply/ti,bq24735.txt | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > Hi! > > v3 -> v4 changes: > - improve the bindings text in the spirit of remarks from Jon Hunter > > (There were no v1 nor v2, I made a mistake and started from v3 this time.) > > This patch is the result of this discussion: > http://marc.info/?t=148152531800002 > > I don't like how it changes the one thing that is seems correct, but > what to do? > > Cheers, > peda > > diff --git a/Documentation/devicetree/bindings/power/supply/ti,bq24735.txt b/Documentation/devicetree/bindings/power/supply/ti,bq24735.txt > index 3bf55757ceec..c95e16e2dc56 100644 > --- a/Documentation/devicetree/bindings/power/supply/ti,bq24735.txt > +++ b/Documentation/devicetree/bindings/power/supply/ti,bq24735.txt > @@ -8,8 +8,10 @@ Optional properties : > - interrupts : Specify the interrupt to be used to trigger when the AC > adapter is either plugged in or removed. > - ti,ac-detect-gpios : This GPIO is optionally used to read the AC adapter > - presence. This is a Host GPIO that is configured as an input and > - connected to the bq24735. > + status. This is a Host GPIO that is configured as an input and connected > + to the ACOK pin on the bq24735. Note: for backwards compatibility reasons, > + the GPIO must be active on AC adapter absence despite ACOK being active > + (high) on AC adapter presence. > - ti,charge-current : Used to control and set the charging current. This value > must be between 128mA and 8.128A with a 64mA step resolution. The POR value > is 0x0000h. This number is in mA (e.g. 8192), see spec for more information Thanks. Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx> Cheers Jon -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
