PING? On Friday 19 August 2022 15:11:52 Pali Rohár wrote: > At i2c address 0x2a is MCU command interface which provides access to GPIOs > connected to Turris Omnia MCU. So define mcu node in Turris Omnia DTS file. > > Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> > > --- > Same change was already sent to U-Boot project together with driver. As > Turris Omnia DTS file is shared between Linux kernel U-Boot, I'm sending > this change also in Linux. There is a plan to write also Linux driver for > Turris Omnia MCU, like there is already in U-Boot. > > https://source.denx.de/u-boot/u-boot/-/commit/832738974806e6264a3d0ac2aaa92d0f662fd128 > https://source.denx.de/u-boot/u-boot/-/blob/master/drivers/gpio/turris_omnia_mcu.c > --- > arch/arm/boot/dts/armada-385-turris-omnia.dts | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts > index f4878df39753..f655e9229d68 100644 > --- a/arch/arm/boot/dts/armada-385-turris-omnia.dts > +++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts > @@ -184,7 +184,13 @@ > #size-cells = <0>; > reg = <0>; > > - /* STM32F0 command interface at address 0x2a */ > + /* MCU command i2c API */ > + mcu: mcu@2a { > + compatible = "cznic,turris-omnia-mcu"; > + reg = <0x2a>; > + gpio-controller; > + #gpio-cells = <3>; > + }; > > led-controller@2b { > compatible = "cznic,turris-omnia-leds"; > -- > 2.20.1 >
