[PATCH 3/3] ARM: dts: omap4-sdp: add dynamic pin states for uart3/4
From: grygorii.strashko@ti.com (Grygorii Strashko)
Date: 2013-07-17 11:43:41
Also in:
linux-devicetree, linux-omap, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add dynamic "active"/"idle" pin states for uart3/4 which will be applied when uart3/4 state is switched from active to idle and back by Runtime PM or during system suspend. CC: Benoit Cousson <redacted> CC: Linus Walleij <redacted> CC: Stephen Warren <redacted> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> --- arch/arm/boot/dts/omap4-sdp.dts | 34 ++++++++++++++++++++++++++++++---- 1 file changed, 30 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 7951b4e..2624504 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts@@ -181,18 +181,40 @@ pinctrl-single,pins = < 0x100 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart3_cts_rctx.uart3_cts_rctx */ 0x102 (PIN_OUTPUT | MUX_MODE0) /* uart3_rts_sd.uart3_rts_sd */ - 0x104 (PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */ 0x106 (PIN_OUTPUT | MUX_MODE0) /* uart3_tx_irtx.uart3_tx_irtx */ >; }; + uart3_pins_active: pinmux_uart3_pins_active { + pinctrl-single,pins = < + 0x104 (PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */ + >; + }; + + uart3_pins_idle: pinmux_uart3_pins_idle { + pinctrl-single,pins = < + 0x104 (WAKEUP_EN | PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */ + >; + }; + uart4_pins: pinmux_uart4_pins { pinctrl-single,pins = < - 0x11c (PIN_INPUT | MUX_MODE0) /* uart4_rx.uart4_rx */ 0x11e (PIN_OUTPUT | MUX_MODE0) /* uart4_tx.uart4_tx */ >; }; + uart4_pins_active: pinmux_uart4_pins_active { + pinctrl-single,pins = < + 0x11c (PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */ + >; + }; + + uart4_pins_idle: pinmux_uart4_pins_idle { + pinctrl-single,pins = < + 0x11c (WAKEUP_EN | PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */ + >; + }; + twl6030_pins: pinmux_twl6030_pins { pinctrl-single,pins = < 0x15e (WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE0) /* sys_nirq1.sys_nirq1 */
@@ -510,13 +532,17 @@ }; &uart3 { - pinctrl-names = "default"; + pinctrl-names = "default", "active", "idle"; pinctrl-0 = <&uart3_pins>; + pinctrl-1 = <&uart3_pins_active>; + pinctrl-2 = <&uart3_pins_idle>; }; &uart4 { - pinctrl-names = "default"; + pinctrl-names = "default", "active", "idle"; pinctrl-0 = <&uart4_pins>; + pinctrl-1 = <&uart4_pins_active>; + pinctrl-2 = <&uart4_pins_idle>; }; &mcbsp3 {
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1.7.9.5