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>

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 29a538ecd405db81959e839768dc2731d10a63aa..ee76021c7f3434556dc0ce577a19cbeda91c0577 100644 (file)
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -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 {