1cc51574aSRobert JarzmikGeneric AC97 Device Properties 2cc51574aSRobert Jarzmik 3cc51574aSRobert JarzmikThis documents describes the devicetree bindings for an ac97 controller child 4cc51574aSRobert Jarzmiknode describing ac97 codecs. 5cc51574aSRobert Jarzmik 6cc51574aSRobert JarzmikRequired properties: 7cc51574aSRobert Jarzmik-compatible : Must be "ac97,vendor_id1,vendor_id2 8cc51574aSRobert Jarzmik The ids shall be the 4 characters hexadecimal encoding, such as 9cc51574aSRobert Jarzmik given by "%04x" formatting of printf 10cc51574aSRobert Jarzmik-reg : Must be the ac97 codec number, between 0 and 3 11cc51574aSRobert Jarzmik 12cc51574aSRobert JarzmikExample: 13cc51574aSRobert Jarzmikac97: sound@40500000 { 14cc51574aSRobert Jarzmik compatible = "marvell,pxa270-ac97"; 15cc51574aSRobert Jarzmik reg = < 0x40500000 0x1000 >; 16cc51574aSRobert Jarzmik interrupts = <14>; 17cc51574aSRobert Jarzmik reset-gpios = <&gpio 95 GPIO_ACTIVE_HIGH>; 18cc51574aSRobert Jarzmik #sound-dai-cells = <1>; 19cc51574aSRobert Jarzmik pinctrl-names = "default"; 20cc51574aSRobert Jarzmik pinctrl-0 = < &pinctrl_ac97_default >; 21cc51574aSRobert Jarzmik clocks = <&clks CLK_AC97>, <&clks CLK_AC97CONF>; 22cc51574aSRobert Jarzmik clock-names = "AC97CLK", "AC97CONFCLK"; 23cc51574aSRobert Jarzmik 24cc51574aSRobert Jarzmik #address-cells = <1>; 25cc51574aSRobert Jarzmik #size-cells = <0>; 26cc51574aSRobert Jarzmik audio-codec@0 { 27cc51574aSRobert Jarzmik reg = <0>; 28cc51574aSRobert Jarzmik compatible = "ac97,574d,4c13"; 29cc51574aSRobert Jarzmik clocks = <&fixed_wm9713_clock>; 30cc51574aSRobert Jarzmik clock-names = "ac97_clk"; 31cc51574aSRobert Jarzmik } 32cc51574aSRobert Jarzmik}; 33