When McASP is not in use the pins can be put to sleep mode to conserve power. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx> --- arch/arm/boot/dts/am335x-evmsk.dts | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index 2f62d915b438..8abfe2a2ff4a 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -396,6 +396,15 @@ >; }; + mcasp1_pins_sleep: mcasp1_pins_sleep { + pinctrl-single,pins = < + 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x108 (PIN_INPUT_PULLDOWN | MUX_MODE7) + 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7) + >; + }; + mmc2_pins: pinmux_mmc2_pins { pinctrl-single,pins = < 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_31 */ @@ -661,8 +670,9 @@ }; &mcasp1 { - pinctrl-names = "default"; + pinctrl-names = "default", "sleep"; pinctrl-0 = <&mcasp1_pins>; + pinctrl-1 = <&mcasp1_pins_sleep>; status = "okay"; -- 2.4.5 -- 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