1*4882a593SmuzhiyunMaxim MAX8952 voltage regulator 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible: must be equal to "maxim,max8952" 5*4882a593Smuzhiyun- reg: I2C slave address, usually 0x60 6*4882a593Smuzhiyun- max8952,dvs-mode-microvolt: array of 4 integer values defining DVS voltages 7*4882a593Smuzhiyun in microvolts. All values must be from range <770000, 1400000> 8*4882a593Smuzhiyun- any required generic properties defined in regulator.txt 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunOptional properties: 11*4882a593Smuzhiyun- max8952,vid-gpios: array of two GPIO pins used for DVS voltage selection 12*4882a593Smuzhiyun- max8952,en-gpio: GPIO used to control enable status of regulator 13*4882a593Smuzhiyun- max8952,default-mode: index of default DVS voltage, from <0, 3> range 14*4882a593Smuzhiyun- max8952,sync-freq: sync frequency, must be one of following values: 15*4882a593Smuzhiyun - 0: 26 MHz 16*4882a593Smuzhiyun - 1: 13 MHz 17*4882a593Smuzhiyun - 2: 19.2 MHz 18*4882a593Smuzhiyun Defaults to 26 MHz if not specified. 19*4882a593Smuzhiyun- max8952,ramp-speed: voltage ramp speed, must be one of following values: 20*4882a593Smuzhiyun - 0: 32mV/us 21*4882a593Smuzhiyun - 1: 16mV/us 22*4882a593Smuzhiyun - 2: 8mV/us 23*4882a593Smuzhiyun - 3: 4mV/us 24*4882a593Smuzhiyun - 4: 2mV/us 25*4882a593Smuzhiyun - 5: 1mV/us 26*4882a593Smuzhiyun - 6: 0.5mV/us 27*4882a593Smuzhiyun - 7: 0.25mV/us 28*4882a593Smuzhiyun Defaults to 32mV/us if not specified. 29*4882a593Smuzhiyun- any available generic properties defined in regulator.txt 30*4882a593Smuzhiyun 31*4882a593SmuzhiyunExample: 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun vdd_arm_reg: pmic@60 { 34*4882a593Smuzhiyun compatible = "maxim,max8952"; 35*4882a593Smuzhiyun reg = <0x60>; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun /* max8952-specific properties */ 38*4882a593Smuzhiyun max8952,vid-gpios = <&gpx0 3 0>, <&gpx0 4 0>; 39*4882a593Smuzhiyun max8952,en-gpio = <&gpx0 1 0>; 40*4882a593Smuzhiyun max8952,default-mode = <0>; 41*4882a593Smuzhiyun max8952,dvs-mode-microvolt = <1250000>, <1200000>, 42*4882a593Smuzhiyun <1050000>, <950000>; 43*4882a593Smuzhiyun max8952,sync-freq = <0>; 44*4882a593Smuzhiyun max8952,ramp-speed = <0>; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* generic regulator properties */ 47*4882a593Smuzhiyun regulator-name = "vdd_arm"; 48*4882a593Smuzhiyun regulator-min-microvolt = <770000>; 49*4882a593Smuzhiyun regulator-max-microvolt = <1400000>; 50*4882a593Smuzhiyun regulator-always-on; 51*4882a593Smuzhiyun regulator-boot-on; 52*4882a593Smuzhiyun }; 53