From: Dave Gerlach <d-gerlach@xxxxxx>
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 <d-gerlach@xxxxxx>
[t-kristo@xxxxxx: converted to use AM4372_IOPAD macro]
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
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 ae6b24e..9c5e969 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 {
--
1.9.1
