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[PATCH v2 15/20] ARM: DTS: am335x-evmsk: Add sleep pin settings for mcasp1

From Peter Ujfalusi <peter.ujfalusi@ti.com>
Newsgroups linux.kernel
Subject [PATCH v2 15/20] ARM: DTS: am335x-evmsk: Add sleep pin settings for mcasp1
Date 2015-07-02 16:10 +0200
Message-ID <pHNlF-3HS-45@gated-at.bofh.it> (permalink)
References <pHNlE-3HS-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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/am335x-evmsk.dts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 2f62d915b438..8abfe2a2ff4a 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -396,6 +396,15 @@
 		>;
 	};
 
+	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)
+		>;
+	};
+
 	mmc2_pins: pinmux_mmc2_pins {
 		pinctrl-single,pins = <
 			0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_31 */
@@ -661,8 +670,9 @@
 };
 
 &mcasp1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&mcasp1_pins>;
+	pinctrl-1 = <&mcasp1_pins_sleep>;
 
 	status = "okay";
 
-- 
2.4.5

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Thread

[PATCH v2 00/20] ARM: DTS: am335x/am43xx: Audio support and fixes for audio Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:10 +0200
  [PATCH v2 15/20] ARM: DTS: am335x-evmsk: Add sleep pin settings for mcasp1 Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:10 +0200
  [PATCH v2 17/20] ARM: DTS: am335x-evm: Fix mcasp1 node's indentation Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:10 +0200
  [PATCH v2 18/20] ARM: DTS: am335x-evm: Rename pinctrl section for McASP1 Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:10 +0200
  [PATCH v2 05/20] ARM: DTS: am43xx-epos-evm: Add regulator for VBAT and DCDC4 of tps65218 Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 12/20] ARM: DTS: am437x-gp-evm: McASP1 node for audio support Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 11/20] ARM: DTS: am437x-gp-evm: Add node for tlv320aic3106 audio codec Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 03/20] ARM: DTS: am437x-sk-evm: Switch using simple-audio-card for audio support Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 01/20] ARM: omap2plus_defconfig: Enable audio related config options Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 16/20] ARM: DTS: am335x-evmsk: Switch using simple-audio-card for audio support Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 14/20] ARM: DTS: am335x-evmsk: Fix mcasp1 node's indentation Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 10/20] ARM: DTS: am437x-gp-evm: Rename fixed regulator vmmcsd_fixed to evm_v3_3d Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 04/20] ARM: DTS: am43xx-epos-evm: Add gpio-hog for configuring the display/audio mux Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 02/20] ARM: DTS: am437x-sk-evm: Add sleep pin settings for mcasp1 Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200
  [PATCH v2 13/20] ARM: DTS: am437x-gp-evm: Enable analog audio via simple-card Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-07-02 16:20 +0200

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