arm64: dts: rockchip: Add nanopi4 bluetooth

Describe the Bluetooth portion of the Ampak combo module - this is
either an AP6356S or an AP6212 depending on the board variant, but
there are no relevant compatibility differences between the two.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
index cf6cc4e..d325e11 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
@@ -218,7 +218,7 @@
        rk808: pmic@1b {
                compatible = "rockchip,rk808";
                reg = <0x1b>;
-               clock-output-names = "xin32k", "rk808-clkout2";
+               clock-output-names = "xin32k", "rtc_clko_wifi";
                #clock-cells = <1>;
                interrupt-parent = <&gpio1>;
                interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
@@ -501,7 +501,20 @@
                };
        };
 
-       sdio-pwrseq {
+       sdio {
+               bt_host_wake_l: bt-host-wake-l {
+                       rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               bt_reg_on_h: bt-reg-on-h {
+                       /* external pullup to VCC1V8_PMUPLL */
+                       rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               bt_wake_l: bt-wake-l {
+                       rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
                wifi_reg_on_h: wifi-reg_on-h {
                        rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
                };
@@ -620,6 +633,20 @@
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_xfer &uart0_rts &uart0_cts>;
        status = "okay";
+
+       bluetooth {
+               compatible = "brcm,bcm43438-bt";
+               clocks = <&rk808 1>;
+               clock-names = "lpo";
+               device-wakeup-gpios = <&gpio2 RK_PD2 GPIO_ACTIVE_HIGH>;
+               host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+               shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+               max-speed = <4000000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&bt_reg_on_h &bt_host_wake_l &bt_wake_l>;
+               vbat-supply = <&vcc3v3_sys>;
+               vddio-supply = <&vcc_1v8>;
+       };
 };
 
 &uart2 {