Linux Audio

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Note: File does not exist in v3.1.
 1// SPDX-License-Identifier: GPL-2.0
 2/dts-v1/;
 3#include "bcm2836.dtsi"
 4#include "bcm2835-rpi.dtsi"
 5#include "bcm283x-rpi-smsc9514.dtsi"
 6#include "bcm283x-rpi-usb-host.dtsi"
 7
 8/ {
 9	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
10	model = "Raspberry Pi 2 Model B";
11
12	memory {
13		reg = <0 0x40000000>;
14	};
15
16	leds {
17		act {
18			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
19		};
20
21		pwr {
22			label = "PWR";
23			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
24			default-state = "keep";
25			linux,default-trigger = "default-on";
26		};
27	};
28};
29
30&gpio {
31	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
32
33	/* I2S interface */
34	i2s_alt0: i2s_alt0 {
35		brcm,pins = <18 19 20 21>;
36		brcm,function = <BCM2835_FSEL_ALT0>;
37	};
38};
39
40&hdmi {
41	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
42};
43
44&uart0 {
45	pinctrl-names = "default";
46	pinctrl-0 = <&uart0_gpio14>;
47	status = "okay";
48};