Add support for onboard gpio buzzer. It works using the gpio-beeper driver. Pinmux entries for GPIO controlling the buzzer are also added.
Signed-off-by: Faiz Abbas <faiz_ab...@ti.com> --- arch/arm/boot/dts/am437x-gp-evm.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index 397e98b..24cdf6d 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -149,6 +149,13 @@ system-clock-frequency = <12000000>; }; }; + + beeper: beeper { + compatible = "gpio-beeper"; + pinctrl-names = "default"; + pinctrl-0 = <&beeper_pins>; + gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>; + }; }; &am43xx_pinmux { @@ -510,6 +517,13 @@ AM4372_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ >; }; + + beeper_pins: beeper_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0x9e0, PIN_OUTPUT_PULLUP | MUX_MODE7) /* cam1_field.gpio4_12 */ + >; + }; + }; &uart0 { -- 2.7.4