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