[PATCH v3 2/2] arm64: dts: rockchip: RockPro64: hook up bluetooth at uart0

[Soeren Moch]

With enabled wifi support (required for firmware loading) for the
Ampak AP6359SA based wifi/bt combo module we now also can enable
the bluetooth part.

Suggested-by: Heiko Stuebner <heiko@xxxxxxxxx>
Signed-off-by: Soeren Moch <smoch@xxxxxx>
---
changes in v3:
- fix bluetooth clock name as reported by Robin Murphy
changes in v2:
- new patch

Cc: Heiko Stuebner <heiko@xxxxxxxxx>
Cc: Robin Murphy <robin.murphy@xxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 .../boot/dts/rockchip/rk3399-rockpro64.dts    | 29 ++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 9fa92790d6e0..d9206730c88c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -561,6 +561,20 @@
 };

 &pinctrl {
+	bt {
+		bt_enable_h: bt-enable-h {
+			rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		bt_host_wake_l: bt-host-wake-l {
+			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>;
+		};
+
+		bt_wake_l: bt-wake-l {
+			rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	buttons {
 		pwrbtn: pwrbtn {
 			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -729,8 +743,21 @@

 &uart0 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart0_xfer &uart0_cts>;
+	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
 	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		clocks = <&rk808 1>;
+		clock-names = "lpo";
+		device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+		host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+		shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
+		vbat-supply = <&vcc3v3_sys>;
+		vddio-supply = <&vcc_1v8>;
+	};
 };

 &uart2 {
--
2.17.1