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 <benoit.cousson@xxxxxxxxxx>
CC: Linus Walleij <linus.walleij@xxxxxxxxxx>
CC: Stephen Warren <swarren@xxxxxxxxxxxxx>
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
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 {
--
1.7.9.5
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