* Matt Ranostay <mranostay@xxxxxxxxx> [140509 18:43]: > Add missing i2c2 bus define to access various cape and > prototype/breakout board devices. > > Signed-off-by: Matt Ranostay <mranostay@xxxxxxxxx> > --- > arch/arm/boot/dts/am335x-bone-common.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi > index 2e7d932..5fdae2e 100644 > --- a/arch/arm/boot/dts/am335x-bone-common.dtsi > +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi > @@ -84,6 +84,13 @@ > >; > }; > > + i2c2_pins: pinmux_i2c2_pins { > + pinctrl-single,pins = < > + 0x178 (PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_ctsn.i2c2_sda */ > + 0x17c (PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_rtsn.i2c2_scl */ > + >; > + }; > + > uart0_pins: pinmux_uart0_pins { > pinctrl-single,pins = < > 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ > > @@ -222,6 +229,15 @@ > > }; > > + > +&i2c2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c2_pins>; > + > + status = "okay"; > + clock-frequency = <100000>; > +}; > + If these pins are not used for i2c2 on some capes, this device should be set to status = "disabled" state by default. Then u-boot could re-enable it on the boards that have i2c2 in use. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html