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-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
--
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