From 7155ace481dec0aeed7b75010c4ed531dcb3d7b0 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 2 Jul 2015 17:06:17 +0300 Subject: [PATCH] ARM: dts: am437x-sk-evm: Add sleep pin settings for mcasp1 When McASP is not in use the pins can be put to sleep mode to conserve power. Signed-off-by: Peter Ujfalusi Tested-by: Felipe Balbi Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am437x-sk-evm.dts | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts index c17097d2c167..b5de6b0d622c 100644 --- a/arch/arm/boot/dts/am437x-sk-evm.dts +++ b/arch/arm/boot/dts/am437x-sk-evm.dts @@ -364,6 +364,15 @@ >; }; + 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) + >; + }; + lcd_pins: lcd_pins { pinctrl-single,pins = < 0x1c (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpcm_ad7.gpio1_7 */ @@ -640,8 +649,9 @@ }; &mcasp1 { - pinctrl-names = "default"; + pinctrl-names = "default", "sleep"; pinctrl-0 = <&mcasp1_pins>; + pinctrl-1 = <&mcasp1_pins_sleep>; status = "okay"; -- 2.20.1