From 0ec47be539e323ef4919fd63ea2f4162bf74892e Mon Sep 17 00:00:00 2001 From: Keerthy Date: Wed, 7 Nov 2018 10:34:20 +0530 Subject: [PATCH] ARM: dts: am437x-gp-evm: Add sleep state for beeper pins 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 Signed-off-by: Tony Lindgren --- 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 0127d11d1488..f4a20cade808 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) -- 2.11.0