arm64: dts: rockchip: hook up bluetooth at uart0 on rockpro64

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@sntech.de>
Signed-off-by: Soeren Moch <smoch@web.de>
Link: https://lore.kernel.org/r/20191218223523.30154-3-smoch@web.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
index 007ff59..9bca258 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
@@ -543,6 +543,20 @@
 };
 
 &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>;
@@ -711,8 +725,21 @@
 
 &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 {