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[1/2] ARM: DTS: am437x-sk-evm: Add sleep pin settings for mcasp1

Message ID 1435838286-30491-2-git-send-email-peter.ujfalusi@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Ujfalusi July 2, 2015, 11:58 a.m. UTC 
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>
---
 arch/arm/boot/dts/am437x-sk-evm.dts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

Comments

Felipe Balbi July 2, 2015, 12:16 p.m. UTC | #1 
On Thu, Jul 02, 2015 at 02:58:05PM +0300, Peter Ujfalusi wrote:
> 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>
diff mbox

Patch

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";