xref: /linux/Documentation/devicetree/bindings/sound/marvell,pxa2xx-ac97.txt (revision 3eb66e91a25497065c5322b1268cbc3953642227)
1*e2b35e46SRobert JarzmikMarvell PXA2xx audio complex
2*e2b35e46SRobert Jarzmik
3*e2b35e46SRobert JarzmikThis descriptions matches the AC97 controller found in pxa2xx and pxa3xx series.
4*e2b35e46SRobert Jarzmik
5*e2b35e46SRobert JarzmikRequired properties:
6*e2b35e46SRobert Jarzmik  - compatible: should be one of the following:
7*e2b35e46SRobert Jarzmik    "marvell,pxa250-ac97"
8*e2b35e46SRobert Jarzmik    "marvell,pxa270-ac97"
9*e2b35e46SRobert Jarzmik    "marvell,pxa300-ac97"
10*e2b35e46SRobert Jarzmik  - reg: device MMIO address space
11*e2b35e46SRobert Jarzmik  - interrupts: single interrupt generated by AC97 IP
12*e2b35e46SRobert Jarzmik  - clocks: input clock of the AC97 IP, refer to clock-bindings.txt
13*e2b35e46SRobert Jarzmik
14*e2b35e46SRobert JarzmikOptional properties:
15*e2b35e46SRobert Jarzmik  - pinctrl-names, pinctrl-0: refer to pinctrl-bindings.txt
16*e2b35e46SRobert Jarzmik  - reset-gpios: gpio used for AC97 reset, refer to gpio.txt
17*e2b35e46SRobert Jarzmik
18*e2b35e46SRobert JarzmikExample:
19*e2b35e46SRobert Jarzmik	ac97: sound@40500000 {
20*e2b35e46SRobert Jarzmik		compatible = "marvell,pxa250-ac97";
21*e2b35e46SRobert Jarzmik		reg = < 0x40500000 0x1000 >;
22*e2b35e46SRobert Jarzmik		interrupts = <14>;
23*e2b35e46SRobert Jarzmik		reset-gpios = <&gpio 113 GPIO_ACTIVE_HIGH>;
24*e2b35e46SRobert Jarzmik		#sound-dai-cells = <1>;
25*e2b35e46SRobert Jarzmik		pinctrl-names = "default";
26*e2b35e46SRobert Jarzmik		pinctrl-0 = < &pmux_ac97_default >;
27*e2b35e46SRobert Jarzmik	};
28