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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-07-02 17:06:17 +0300
committerTony Lindgren <tony@atomide.com>2015-07-14 14:24:35 +0300
commit7155ace481dec0aeed7b75010c4ed531dcb3d7b0 (patch)
tree22c24c81378f0034e7b62c99fe2cc33f10ddd648 /arch/arm/boot/dts/am437x-sk-evm.dts
parentda4cada87146e3a7ee53e8355dfcee1c2fe4bdff (diff)
downloadlinux-7155ace481dec0aeed7b75010c4ed531dcb3d7b0.tar.xz
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 <peter.ujfalusi@ti.com> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am437x-sk-evm.dts')
-rw-r--r--arch/arm/boot/dts/am437x-sk-evm.dts12
1 files changed, 11 insertions, 1 deletions
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";