Commit 34f76209 authored by Alexey Charkov's avatar Alexey Charkov Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: Add Bluetooth on rk3576-evb1-v10 



Add device tree nodes to enable Bluetooth in the Ampak AP6275P module
found on Rockchip RK3576 EVB1 and connected over a UART link.

Note that this doesn't enable the out-of-band PCM connection. It's
routed to SAI2 M0 pins in case anyone wishes to add it.

Tested-by: default avatarPavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: default avatarAlexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-3-d13c83422971@gmail.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent ebf8183a

arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts

+35 −0
Original line number Diff line number Diff line
@@ -766,6 +766,20 @@ &pcie1 { 
};



&pinctrl {

	bluetooth {

		bt_reg_on: bt-reg-on {

			rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;

		};



		bt_wake_host: bt-wake-host {

			rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_down>;

		};



		host_wake_bt: host-wake-bt {

			rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;

		};

	};



	hym8563 {

		rtc_int: rtc-int {

			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -855,6 +869,27 @@ &uart0 { 
	status = "okay";

};



&uart4 {

	pinctrl-0 = <&uart4m1_xfer &uart4m1_ctsn &uart4m1_rtsn>;

	pinctrl-names = "default";

	uart-has-rtscts;

	status = "okay";



	bluetooth {

		compatible = "brcm,bcm43438-bt";

		clocks = <&hym8563>;

		clock-names = "lpo";

		device-wakeup-gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;

		interrupt-parent = <&gpio0>;

		interrupts = <RK_PB1 IRQ_TYPE_LEVEL_HIGH>;

		pinctrl-0 = <&bt_reg_on &bt_wake_host &host_wake_bt>;

		pinctrl-names = "default";

		shutdown-gpios = <&gpio1 RK_PC7 GPIO_ACTIVE_HIGH>;

		vbat-supply = <&vcc_3v3_s3>;

		vddio-supply = <&vcc_1v8_s3>;

	};

};



&ufshc {

	status = "okay";

};