Add sleep state for beeper pins. Without this there was a power
increase during the suspend and standby states on V3_3D domain.
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 0127d11..f4a20ca 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -161,7 +161,8 @@
beeper: beeper {
compatible = "gpio-beeper";
pinctrl-names = "default";
- pinctrl-0 = <&beeper_pins>;
+ pinctrl-0 = <&beeper_pins_default>;
+ pinctrl-1 = <&beeper_pins_sleep>;
gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
};
};
@@ -523,12 +524,18 @@
>;
};
- beeper_pins: beeper_pins {
+ beeper_pins_default: beeper_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x9e0, PIN_OUTPUT_PULLUP | MUX_MODE7) /* cam1_field.gpio4_12 */
>;
};
+ beeper_pins_sleep: beeper_pins_sleep {
+ pinctrl-single,pins = <
+ AM4372_IOPAD(0x9e0, PIN_INPUT_PULLDOWN | MUX_MODE7) /* cam1_field.gpio4_12 */
+ >;
+ };
+
unused_pins: unused_pins {
pinctrl-single,pins = <
AM4372_IOPAD(0x854, PIN_INPUT_PULLDOWN | MUX_MODE7)
--
1.9.1
