From 7235ed186e12d2e57de969cda55db8a620b0bcbf Mon Sep 17 00:00:00 2001 From: Dave Gerlach Date: Wed, 7 Nov 2018 10:34:17 +0530 Subject: [PATCH] ARM: dts: am437x-gp-evm: Add pinctrl for debugss pins The pins used by debugss are not configued by default, place pulldowns on the pins for maximum power savings during sleep. Signed-off-by: Dave Gerlach [t-kristo@ti.com: converted to use AM4372_IOPAD macro] Signed-off-by: Tero Kristo Signed-off-by: Keerthy Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am437x-gp-evm.dts | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index ae6b24e051eb..9c5e969d05e6 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -162,7 +162,7 @@ &am43xx_pinmux { pinctrl-names = "default", "sleep"; - pinctrl-0 = <&wlan_pins_default &ddr3_vtt_toggle_default &unused_pins>; + pinctrl-0 = <&wlan_pins_default &ddr3_vtt_toggle_default &unused_pins &debugss_pins>; pinctrl-1 = <&wlan_pins_sleep>; ddr3_vtt_toggle_default: ddr_vtt_toggle_default { @@ -580,6 +580,18 @@ AM4372_IOPAD(0xb18, PIN_INPUT_PULLDOWN | MUX_MODE7) >; }; + + debugss_pins: pinmux_debugss_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0xa90, PIN_INPUT_PULLDOWN) + AM4372_IOPAD(0xa94, PIN_INPUT_PULLDOWN) + AM4372_IOPAD(0xa98, PIN_INPUT_PULLDOWN) + AM4372_IOPAD(0xa9c, PIN_INPUT_PULLDOWN) + AM4372_IOPAD(0xaa0, PIN_INPUT_PULLDOWN) + AM4372_IOPAD(0xaa4, PIN_INPUT_PULLDOWN) + AM4372_IOPAD(0xaa8, PIN_INPUT_PULLDOWN) + >; + }; }; &uart0 { -- 2.17.1