On Tue, Jul 03, 2018 at 07:09:02AM -0500, Adam Ford wrote:
> tatus: RO
> Content-Length: 2293
> Lines: 65
>
> On Thu, Jun 21, 2018 at 11:50 PM Derald D. Woods
> <woods.technical@xxxxxxxxx> wrote:
> >
> > There are a few peripherals that generate some extra noise when they
> > don't have a regulator assigned to them. This patch assigns them to
> > the their actual tps65023 regulator 'vdd_io_reg' (VDCDC2).
> >
>
> Tony,
>
> Will you accept Derald's version of this patch? I know you wanted
> some changes my my version, but I think Derald's meets your
> requirements and it's much more accurate than what I was doing
I did the same for Texchnexion Twister to kill those warnings:
pwm-backlight backlight: backlight supply power not found, using dummy regulator
panel-dpi display: display supply vcc not found, using dummy regulator
but as I have different hardware I cannot really add Tested-by. However,
see bellow
> > Signed-off-by: Derald D. Woods <woods.technical@xxxxxxxxx>
> > Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> > ---
> > arch/arm/boot/dts/am3517-evm.dts | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
> > index 98aadb0f81c5..19bc34348906 100644
> > --- a/arch/arm/boot/dts/am3517-evm.dts
> > +++ b/arch/arm/boot/dts/am3517-evm.dts
> > @@ -127,6 +127,7 @@
> > status = "okay";
> > pinctrl-names = "default";
> > enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>; /* gpio176, lcd INI */
> > + vcc-supply = <&vdd_io_reg>;
> >
> > port {
> > lcd_in: endpoint {
> > @@ -154,6 +155,7 @@
> > bl: backlight {
> > compatible = "pwm-backlight";
> > pinctrl-names = "default";
> > + power-supply = <&vdd_io_reg>;
> > pinctrl-0 = <&backlight_pins>;
> > pwms = <&pwm11 0 5000000 0>;
> > brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
> > @@ -164,6 +166,7 @@
> > pwm11: dmtimer-pwm@11 {
> > compatible = "ti,omap-dmtimer-pwm";
> > pinctrl-names = "default";
> > + pwm-supply = <&vdd_io_reg>;
Is the one above really needed? omap-dmtimer-pwm does not seem to ask for
regulator.
> > pinctrl-0 = <&pwm_pins>;
> > ti,timers = <&timer11>;
> > #pwm-cells = <3>;
> > @@ -203,6 +206,7 @@
> > reg = <0x21>;
> > gpio-controller;
> > #gpio-cells = <2>;
> > + vcc-supply = <&vdd_io_reg>;
> > };
> > };
ladis
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