From 092976edc54119f1b3b8501318a9b161a03dd226 Mon Sep 17 00:00:00 2001 From: Faiz Abbas Date: Tue, 20 Jun 2017 10:39:21 +0530 Subject: [PATCH] ARM: dts: am437x-gp-evm: Add support for buzzer 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 Signed-off-by: Tony Lindgren --- 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 29a538ecd405..ee76021c7f34 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 { -- 2.20.1