Hi Dave, On Mon, Mar 18, 2024 at 02:56:53PM +0000, Dave Stevenson wrote: > On Fri, 1 Mar 2024 at 21:32, Laurent Pinchart wrote: > > > > From: Uwe Kleine-König <uwe@xxxxxxxxxxxxxxxxx> > > > > The cm4-io board comes with a PCF85063 on I2C0, connected to the GPIO44 > > and GPIO45 pins. Add it to the device tree. > > > > Signed-off-by: Uwe Kleine-König <uwe@xxxxxxxxxxxxxxxxx> > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > --- > > Changes since v4: > > > > - Use the right part number in the compatible string > > - Add the quartz-load-femtofarads property > > > > Changes since v3: > > > > - Separate addition of the RTC to a patch of its own > > --- > > .../boot/dts/broadcom/bcm2711-rpi-cm4-io.dts | 17 +++++++++++++++++ > > 1 file changed, 17 insertions(+) > > > > diff --git a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts > > index d7ba02f586d3..d5ebb535afd2 100644 > > --- a/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts > > +++ b/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts > > @@ -101,6 +101,23 @@ &genet { > > status = "okay"; > > }; > > > > +&i2c0 { > > + status = "okay"; > > +}; > > This is already the default from bcm2835-rpi.dtsi Indeed. I probably got lost in the maze of .dtsi files :-) I'll drop this. > > + > > +&i2c0_1 { > > + rtc@51 { > > + /* Attention: An alarm resets the machine */ > > + compatible = "nxp,pcf85063a"; > > + reg = <0x51>; > > + quartz-load-femtofarads = <7000>; > > + }; > > +}; > > + > > +&i2c0mux { > > + status = "okay"; > > Default status queried on patch 12/15. > > With those clarified: > > Acked-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> > > > +}; > > + > > &led_act { > > gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; > > }; -- Regards, Laurent Pinchart