[PATCHv1 1/3] arm64: dts: meson-g12b-odroid-n2: Enable RTC controller node

[Anand Moon]

Hi Neil,

Thanks for your review comments.

On Thu, 16 Jul 2020 at 12:38, Neil Armstrong <narmstrong at baylibre.com> wrote:
>
> Hi,
>
> On 15/07/2020 18:02, Anand Moon wrote:
> > Enable RTC PCF8563 node on Odroid-N2 SBC, In order
> > to support the RTC wakealarm feature for suspend and resume.
> >
> > Cc: Neil Armstrong <narmstrong at baylibre.com>
> > Cc: Kevin Hilman <khilman at baylibre.com>
> > Signed-off-by: Anand Moon <linux.amoon at gmail.com>
> > ---
> > $ sudo hwclock -r && date
> > 2020-07-15 13:11:53.862508+00:00
> > Wed Jul 15 13:11:54 UTC 2020
> >
> > $ hwclock --show
> > 2020-07-15 13:17:30.903300+00:00
> >
> > But RTC wake up is not working at my end.
> > Any inputs are welcome.
> >
> > $ time rtcwake -s 30 -m mem
> > rtcwake: /dev/rtc0 not enabled for wakeup events
> >
> > real    0m0.002s
> > user    0m0.002s
> > sys     0m0.000s
> > ---
> >  .../boot/dts/amlogic/meson-g12b-odroid-n2.dts      | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
> > index 169ea283d4ee..a447cba4dd53 100644
> > --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
> > +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
> > @@ -391,6 +391,20 @@ hdmi_tx_tmds_out: endpoint {
> >       };
> >  };
> >
> > +&i2c3 {
> > +     pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
> > +     pinctrl-names = "default";
> > +     status = "okay";
> > +
> > +     rtc: rtc at 51 {
> > +             reg = <0x51>;
> > +             compatible = "nxp,pcf8563";
> > +             #clock-cells = <0>;
> > +             clock-frequency = <32768>;
> > +             clock-output-names = "rtc_clkout";
>
> The clkout output is not used, so I don't think these 3 lines are needed.

Ok Thanks I will drop these 3 clock lines.

>
> > +     };
> > +};
> > +
> >  &ir {
> >       status = "okay";
> >       pinctrl-0 = <&remote_input_ao_pins>;
> >
>
> Neil

-Anand