ARM: dts: nanopi-neo-air: Add eMMC and bluetooth

Enable the bluetooth part of AP6212 chip (connected to UART3) and the
onboard eMMC (connected to MMC2) for the NanoPi NEO Air board.
Signed-off-by: NMikhail Rudenko <mike.rudenko@gmail.com>
Signed-off-by: NMaxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220104193719.87091-1-mike.rudenko@gmail.com

arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts

@@ -103,12 +103,40 @@
 	};
 };
 
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_8bit_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	vqmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pa_pins>;
 	status = "okay";
 };
 
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_pins>, <&uart3_rts_cts_pins>;
+	uart-has-rtscts;
+	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		clocks = <&rtc 1>;
+		clock-names = "lpo";
+		vbat-supply = <&reg_vcc3v3>;
+		vddio-supply = <&reg_vcc3v3>;
+		device-wakeup-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
+		host-wakeup-gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
+		shutdown-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
+	};
+};
+
 &usbphy {
 	/* USB VBUS is always on */
 	status = "okay";