ARM: dts: OMAP3-N950-N9: Add ssi idle pinctrl state

This adds an idle pinctrl state, which will be used
by the driver to avoid incoming data during clock
rate changes or data flushing.
Signed-off-By: NSebastian Reichel <sre@kernel.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-n950-n9.dtsi

@@ -73,6 +73,19 @@
 		>;
 	};
 
+	ssi_pins_idle: pinmux_ssi_pins_idle {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x217c, PIN_OUTPUT | MUX_MODE7)            /* ssi1_dat_tx */
+			OMAP3_CORE1_IOPAD(0x217e, PIN_OUTPUT | MUX_MODE7)            /* ssi1_flag_tx */
+			OMAP3_CORE1_IOPAD(0x2180, PIN_INPUT_PULLDOWN | MUX_MODE7)    /* ssi1_rdy_tx */
+			OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* ssi1_wake_tx (cawake) */
+			OMAP3_CORE1_IOPAD(0x2184, PIN_INPUT | MUX_MODE7)             /* ssi1_dat_rx */
+			OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE7)             /* ssi1_flag_rx */
+			OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | MUX_MODE4)            /* ssi1_rdy_rx */
+			OMAP3_CORE1_IOPAD(0x218a, PIN_OUTPUT | MUX_MODE7)            /* ssi1_wake */
+		>;
+	};
+
 	modem_pins1: pinmux_modem_core1_pins {
 		pinctrl-single,pins = <
 			OMAP3_CORE1_IOPAD(0x207a, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* gpio_34 (ape_rst_rq) */
@@ -237,8 +250,9 @@
 };
 
 &ssi_port1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "idle";
 	pinctrl-0 = <&ssi_pins>;
+	pinctrl-1 = <&ssi_pins_idle>;
 
 	ti,ssi-cawake-gpio = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* 151 */