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authorFaiz Abbas <faiz_abbas@ti.com>2017-06-20 08:09:21 +0300
committerTony Lindgren <tony@atomide.com>2017-08-14 21:34:23 +0300
commit092976edc54119f1b3b8501318a9b161a03dd226 (patch)
treea529cca9837c0cccf6a96280497dc075f7d31e13
parenteba6130b31bc0c112302d0b1340badb37fd3be1e (diff)
downloadlinux-092976edc54119f1b3b8501318a9b161a03dd226.tar.xz
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 <faiz_abbas@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts14
1 files changed, 14 insertions, 0 deletions
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 {