ARM: dts: exynos: Enable Bluetooth support for Artik5 board

Add a node for the BCM4354 Bluetooth chip on the serial bus #0 on
the Exynos3250-based Artik5 boards.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos3250-artik5.dtsi

@@ -352,6 +352,14 @@ &mshc_1 {
 };
 
 &pinctrl_1 {
+	bten: bten {
+		samsung,pins ="gpx1-7";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
+		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_DOWN>;
+	};
+
 	wlanen: wlanen {
 		samsung,pins = "gpx2-3";
 		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
@@ -364,6 +372,22 @@ s2mps14_irq: s2mps14-irq {
 		samsung,pins = "gpx3-5";
 		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 	};
+
+	bthostwake: bthostwake {
+		samsung,pins = "gpx3-6";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_INPUT>;
+		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
+	};
+
+	btwake: btwake {
+		samsung,pins = "gpx3-7";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+		samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT0>;
+		samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_DOWN>;
+	};
 };
 
 &rtc {
@@ -372,6 +396,23 @@ &rtc {
 	status = "okay";
 };
 
+&serial_0 {
+	assigned-clocks = <&cmu CLK_SCLK_UART0>;
+	assigned-clock-rates = <100000000>;
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm4330-bt";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bten &btwake &bthostwake>;
+		max-speed = <3000000>;
+		shutdown-gpios = <&gpx1 7 GPIO_ACTIVE_HIGH>;
+		device-wakeup-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpx3 6 GPIO_ACTIVE_HIGH>;
+		clocks = <&s2mps14_osc S2MPS11_CLK_BT>;
+	};
+};
+
 &tmu {
 	status = "okay";
 };