[PATCH v3 3/5] riscv: dts: spacemit: k3: add rfkill node for Bluetooth on Pico-ITX board
Aurelien Jarno <[email protected]>
| Newsgroups | dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On the K3 Pico-ITX board, by default the GPIO pin that connects to the RTL8852BE Bluetooth enable signal is driven low, resulting in impossibility to use Bluetooth. Add a DT node to expose it as an RFKILL device, which lets the Bluetooth driver or userspace toggle it as required. Tested-by: Anirudh Srinivasan <[email protected]> Signed-off-by: Aurelien Jarno <[email protected]> --- arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts index e932e464e645..d2e8df5ebeec 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts @@ -43,6 +43,13 @@ reg_aux_vcc5v: regulator-aux-vcc5v { regulator-max-microvolt = <5000000>; regulator-always-on; }; + + rfkill-usb-bt { + compatible = "rfkill-gpio"; + label = "rfkill-usb-bt"; + radio-type = "bluetooth"; + shutdown-gpios = <&gpio 0 30 GPIO_ACTIVE_HIGH>; + }; }; &i2c2 { -- 2.53.0