1 Generic AC97 Device Properties 2 3 This documents describes the devicetree bindings for an ac97 controller child 4 node describing ac97 codecs. 5 6 Required properties: 7 -compatible : Must be "ac97,vendor_id1,vendor_id2 8 The ids shall be the 4 characters hexadecimal encoding, such as 9 given by "%04x" formatting of printf 10 -reg : Must be the ac97 codec number, between 0 and 3 11 12 Example: 13 ac97: sound@40500000 { 14 compatible = "marvell,pxa270-ac97"; 15 reg = < 0x40500000 0x1000 >; 16 interrupts = <14>; 17 reset-gpios = <&gpio 95 GPIO_ACTIVE_HIGH>; 18 #sound-dai-cells = <1>; 19 pinctrl-names = "default"; 20 pinctrl-0 = < &pinctrl_ac97_default >; 21 clocks = <&clks CLK_AC97>, <&clks CLK_AC97CONF>; 22 clock-names = "AC97CLK", "AC97CONFCLK"; 23 24 #address-cells = <1>; 25 #size-cells = <0>; 26 audio-codec@0 { 27 reg = <0>; 28 compatible = "ac97,574d,4c13"; 29 clocks = <&fixed_wm9713_clock>; 30 clock-names = "ac97_clk"; 31 } 32 }; 33