diff options
| author | Alexey Charkov <alchark@gmail.com> | 2025-08-13 00:30:25 +0400 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2025-08-24 12:44:36 +0200 |
| commit | 34f7620912bb0f881a23dfea529e69fd2e8fdcf2 (patch) | |
| tree | ab740743055743c1221a1adb68d2767e95ecb8df | |
| parent | ebf8183ad08afc4fcabe1379a5098354829d950d (diff) | |
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: Pavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-3-d13c83422971@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts index 1adbbcc1c569..439831715cbb 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts @@ -766,6 +766,20 @@ }; &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 @@ 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"; }; |