1*4882a593SmuzhiyunX-Powers AC100 Codec/RTC IC Device Tree bindings 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunAC100 is a audio codec and RTC subsystem combo IC. The 2 parts are 4*4882a593Smuzhiyunseparated, including power supplies and interrupt lines, but share 5*4882a593Smuzhiyuna common register address space and host interface. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunRequired properties: 8*4882a593Smuzhiyun- compatible: "x-powers,ac100" 9*4882a593Smuzhiyun- reg: The I2C slave address or RSB hardware address for the chip 10*4882a593Smuzhiyun- sub-nodes: 11*4882a593Smuzhiyun - codec 12*4882a593Smuzhiyun - compatible: "x-powers,ac100-codec" 13*4882a593Smuzhiyun - interrupts: SoC NMI / GPIO interrupt connected to the 14*4882a593Smuzhiyun IRQ_AUDIO pin 15*4882a593Smuzhiyun - #clock-cells: Shall be 0 16*4882a593Smuzhiyun - clock-output-names: "4M_adda" 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun - see clock/clock-bindings.txt for common clock bindings 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun - rtc 21*4882a593Smuzhiyun - compatible: "x-powers,ac100-rtc" 22*4882a593Smuzhiyun - clocks: A phandle to the codec's "4M_adda" clock 23*4882a593Smuzhiyun - #clock-cells: Shall be 1 24*4882a593Smuzhiyun - clock-output-names: "cko1_rtc", "cko2_rtc", "cko3_rtc" 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun - see clock/clock-bindings.txt for common clock bindings 27*4882a593Smuzhiyun 28*4882a593SmuzhiyunExample: 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunac100: codec@e89 { 31*4882a593Smuzhiyun compatible = "x-powers,ac100"; 32*4882a593Smuzhiyun reg = <0xe89>; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun ac100_codec: codec { 35*4882a593Smuzhiyun compatible = "x-powers,ac100-codec"; 36*4882a593Smuzhiyun interrupt-parent = <&r_pio>; 37*4882a593Smuzhiyun interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */ 38*4882a593Smuzhiyun #clock-cells = <0>; 39*4882a593Smuzhiyun clock-output-names = "4M_adda"; 40*4882a593Smuzhiyun }; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun ac100_rtc: rtc { 43*4882a593Smuzhiyun compatible = "x-powers,ac100-rtc"; 44*4882a593Smuzhiyun interrupt-parent = <&nmi_intc>; 45*4882a593Smuzhiyun interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 46*4882a593Smuzhiyun clocks = <&ac100_codec>; 47*4882a593Smuzhiyun #clock-cells = <1>; 48*4882a593Smuzhiyun clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc"; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun}; 51