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ARM: dts: am437x-gp-evm: Add support for buzzer

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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_abbas@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Faiz Abbas
2017-06-20 10:39:21 +05:30
committed by Tony Lindgren
parent eba6130b31
commit 092976edc5
1 changed files with 14 additions and 0 deletions
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14
arch/arm/boot/dts/am437x-gp-evm.dts
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@@ -149,6 +149,13 @@ sound0_master: simple-audio-card,codec {
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(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
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 {