[PATCH] ARM: sun8i: h3: bluetooth for Banana Pi M2 Zero board

From: Andreas Kemnade
Date: Thu Feb 28 2019 - 16:29:03 EST


The Banana Pi M2 Zero board has an AP6212 BT+Wifi combo chip
with broadcom internals attached to UART1 and some gpios.
This addition is in line with similar boards

Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
.../boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
index 1db2541135a7..39e206fac4e3 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
@@ -69,6 +69,8 @@
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
+ clocks = <&rtc 1>;
+ clock-names = "ext_clock";
};
};

@@ -122,7 +124,34 @@
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+ uart-has-rtscts;
status = "okay";
+
+ bluetooth {
+ compatible = "brcm,bcm43438-bt";
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_pins_out>, <&bt_pins_in>;
+ clocks = <&rtc 1>;
+ clock-names = "lpo";
+ vbat-supply = <&reg_vcc3v3>;
+ vddio-supply = <&reg_vcc3v3>;
+ device-wakeup-gpios = <&pio 6 13 GPIO_ACTIVE_HIGH>; /* PG13 */
+ host-wakeup-gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
+ shutdown-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+ };
+
+};
+
+&pio {
+ bt_pins_out: bt_out {
+ pins = "PG12", "PG13";
+ function = "gpio_out";
+ };
+
+ bt_pins_in: bt_in {
+ pins = "PG11";
+ function = "gpio_in";
+ };
};

&usb_otg {
--
2.11.0