1Samsung Exynos Odroid XU3/XU4 audio complex with MAX98090 codec 2 3Required properties: 4 5 - compatible - "hardkernel,odroid-xu3-audio" - for Odroid XU3 board, 6 "hardkernel,odroid-xu4-audio" - for Odroid XU4 board (deprecated), 7 "samsung,odroid-xu3-audio" - for Odroid XU3 board (deprecated), 8 "samsung,odroid-xu4-audio" - for Odroid XU4 board (deprecated) 9 - model - the user-visible name of this sound complex 10 - clocks - should contain entries matching clock names in the clock-names 11 property 12 - samsung,audio-widgets - this property specifies off-codec audio elements 13 like headphones or speakers, for details see widgets.txt 14 - samsung,audio-routing - a list of the connections between audio 15 components; each entry is a pair of strings, the first being the 16 connection's sink, the second being the connection's source; 17 valid names for sources and sinks are the MAX98090's pins (as 18 documented in its binding), and the jacks on the board 19 20 For Odroid X2: 21 "Headphone Jack", "Mic Jack", "DMIC" 22 23 For Odroid U3, XU3: 24 "Headphone Jack", "Speakers" 25 26 For Odroid XU4: 27 no entries 28 29Required sub-nodes: 30 31 - 'cpu' subnode with a 'sound-dai' property containing the phandle of the I2S 32 controller 33 - 'codec' subnode with a 'sound-dai' property containing list of phandles 34 to the CODEC nodes, first entry must be corresponding to the MAX98090 35 CODEC and the second entry must be the phandle of the HDMI IP block node 36 37Example: 38 39sound { 40 compatible = "hardkernel,odroid-xu3-audio"; 41 model = "Odroid-XU3"; 42 samsung,audio-routing = 43 "Headphone Jack", "HPL", 44 "Headphone Jack", "HPR", 45 "IN1", "Mic Jack", 46 "Mic Jack", "MICBIAS"; 47 48 cpu { 49 sound-dai = <&i2s0 0>; 50 }; 51 codec { 52 sound-dai = <&hdmi>, <&max98090>; 53 }; 54}; 55