When McASP is not in use the pins can be put to sleep mode to conserve power.
Signed-off-by: Peter Ujfalusi <[email protected]> --- arch/arm/boot/dts/am335x-evm.dts | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 4db03859105a..d4783e0a96f2 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -351,6 +351,15 @@ >; }; + 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) + >; + }; + dcan1_pins_default: dcan1_pins_default { pinctrl-single,pins = < 0x168 (PIN_OUTPUT | MUX_MODE2) /* uart0_ctsn.d_can1_tx */ @@ -575,8 +584,9 @@ #include "tps65910.dtsi" &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 linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
