ARM: dts: omap3-n900: Add modem support

Add modem device tree data to Nokia N900's DTS file.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Tested-By: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-n900.dts

@@ -216,6 +216,17 @@
 			0x15a (PIN_OUTPUT | MUX_MODE1)		/* ssi1_wake */
 		>;
 	};
+
+	modem_pins: pinmux_modem {
+		pinctrl-single,pins = <
+			0x0ac (PIN_OUTPUT | MUX_MODE4)		/* gpio 70 => cmt_apeslpx */
+			0x0b0 (PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* gpio 72 => ape_rst_rq */
+			0x0b2 (PIN_OUTPUT | MUX_MODE4)		/* gpio 73 => cmt_rst_rq */
+			0x0b4 (PIN_OUTPUT | MUX_MODE4)		/* gpio 74 => cmt_en */
+			0x0b6 (PIN_OUTPUT | MUX_MODE4)		/* gpio 75 => cmt_rst */
+			0x15e (PIN_OUTPUT | MUX_MODE4)		/* gpio 157 => cmt_bsi */
+		>;
+	};
 };
 
 &i2c1 {
@@ -739,8 +750,38 @@
 	pinctrl-0 = <&ssi_pins>;
 
 	ti,ssi-cawake-gpio = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* 151 */
+
+	modem: hsi-client {
+		compatible = "nokia,n900-modem";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&modem_pins>;
+
+		hsi-channel-ids = <0>, <1>, <2>, <3>;
+		hsi-channel-names = "mcsaab-control",
+				    "speech-control",
+				    "speech-data",
+				    "mcsaab-data";
+		hsi-speed-kbps = <55000>;
+		hsi-mode = "frame";
+		hsi-flow = "synchronized";
+		hsi-arb-mode = "round-robin";
+
+		interrupts-extended = <&gpio3 8 IRQ_TYPE_EDGE_FALLING>; /* 72 */
+
+		gpios = <&gpio3  6 GPIO_ACTIVE_HIGH>, /* 70 */
+			<&gpio3  9 GPIO_ACTIVE_HIGH>, /* 73 */
+			<&gpio3 10 GPIO_ACTIVE_HIGH>, /* 74 */
+			<&gpio3 11 GPIO_ACTIVE_HIGH>, /* 75 */
+			<&gpio5 29 GPIO_ACTIVE_HIGH>; /* 157 */
+		gpio-names = "cmt_apeslpx",
+			     "cmt_rst_rq",
+			     "cmt_en",
+			     "cmt_rst",
+			     "cmt_bsi";
+	};
 };
 
 &ssi_port2 {
 	status = "disabled";
-};
+};