On Sun, Feb 17, 2019 at 1:21 PM Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> wrote: > > Hi Dmitry and Rob, > > On Thu, Feb 14, 2019 at 3:21 AM Rob Herring <robh@xxxxxxxxxx> wrote: > > > > On Tue, Jan 22, 2019 at 7:39 AM Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > > > On Mon, Jan 21, 2019 at 9:46 PM Rob Herring <robh@xxxxxxxxxx> wrote: > > > > > > > > On Fri, Jan 18, 2019 at 10:01 AM Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > > > > > > > On Wed, Jan 9, 2019 at 7:08 PM Rob Herring <robh@xxxxxxxxxx> wrote: > > > > > > > > > > > > Please CC DT list if you want bindings reviewed. > > > > > > > > > > Sorry I forgot. > > > > > > > > > > > > > > > > > On Wed, Jan 9, 2019 at 1:40 AM Dmitry Torokhov > > > > > > <dmitry.torokhov@xxxxxxxxx> wrote: > > > > > > > > > > > > > > On Sat, Dec 15, 2018 at 08:47:59PM +0530, Jagan Teki wrote: > > > > > > > > Most of the Goodix CTP controllers are supply with AVDD28 pin. > > > > > > > > which need to supply for controllers like GT5663 on some boards > > > > > > > > to trigger the power. > > > > > > > > > > > > > > > > So, document the supply property so-that the require boards > > > > > > > > that used on GT5663 can enable it via device tree. > > > > > > > > > > > > > > > > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > > > > > > > > --- > > > > > > > > Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 1 + > > > > > > > > 1 file changed, 1 insertion(+) > > > > > > > > > > > > > > > > diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt > > > > > > > > index f7e95c52f3c7..c4622c983e08 100644 > > > > > > > > --- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt > > > > > > > > +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt > > > > > > > > @@ -23,6 +23,7 @@ Optional properties: > > > > > > > > - touchscreen-inverted-y : Y axis is inverted (boolean) > > > > > > > > - touchscreen-swapped-x-y : X and Y axis are swapped (boolean) > > > > > > > > (swapping is done after inverting the axis) > > > > > > > > + - AVDD28-supply : Analog power supply regulator on AVDD28 pin > > > > > > > > > > > > > > I think we normally use lower case in DT bindings and rarely encode > > > > > > > voltage in the supply name unless we are dealing with several supplies > > > > > > > of the same kind, but I'll let Ron comment on this. > > > > > > > > > > > > Yes on lowercase though there are some exceptions. > > > > > > > > > > > > There's also a AVDD22 supply as well as DVDD12 and VDDIO. So we > > > > > > probably need to keep the voltage, but the binding is incomplete. > > > > > > > > > > What is incomplete here? can you please elaborate. > > > > > > > > You are missing the 3 other supplies the chip has: AVDD22, DVDD12 and VDDIO. > > > > > > Though it has other supplies, only AVDD28 is connected in the Host > > > interface design similar like 9. Reference Schematic on Page, 23 in > > > attached manual. > > > > That is for a particular board design. It still has other supplies. > > Just make the binding complete please. You can make them optional. I > > don't care if the driver supports controlling all the supplies or not > > (though Dmitry might). > > So, Can I make bulk get and enable in all 4 regulators global to > driver or specific to that chip, in either way the regulators which > are not used to process via dummy regulators (which we all know). > > or regulator which are not using are get via devm_regulator_get_optional. > > Any suggestions? Just realized to go with bulk calls, please have a look at on v5 [1] [1] https://patchwork.kernel.org/cover/10816901/
