1*4882a593Smuzhiyun* Ricoh RN5T567/RN5T618 PMIC 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRicoh RN5T567/RN5T618/RC5T619 is a power management IC family which 4*4882a593Smuzhiyunintegrates 3 to 5 step-down DCDC converters, 7 to 10 low-dropout regulators, 5*4882a593SmuzhiyunGPIOs, and a watchdog timer. It can be controlled through an I2C interface. 6*4882a593SmuzhiyunThe RN5T618/RC5T619 provides additionally a Li-ion battery charger, 7*4882a593Smuzhiyunfuel gauge, and an ADC. 8*4882a593SmuzhiyunThe RC5T619 additionnally includes USB charger detection and an RTC. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunRequired properties: 11*4882a593Smuzhiyun - compatible: must be one of 12*4882a593Smuzhiyun "ricoh,rn5t567" 13*4882a593Smuzhiyun "ricoh,rn5t618" 14*4882a593Smuzhiyun "ricoh,rc5t619" 15*4882a593Smuzhiyun - reg: the I2C slave address of the device 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunOptional properties: 18*4882a593Smuzhiyun - interrupts: interrupt mapping for IRQ 19*4882a593Smuzhiyun See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt 20*4882a593Smuzhiyun - system-power-controller: 21*4882a593Smuzhiyun See Documentation/devicetree/bindings/power/power-controller.txt 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunSub-nodes: 24*4882a593Smuzhiyun - regulators: the node is required if the regulator functionality is 25*4882a593Smuzhiyun needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4 26*4882a593Smuzhiyun (RN5T567/RC5T619), LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7, LDO8, 27*4882a593Smuzhiyun LDO9, LDO10, LDORTC1 and LDORTC2. 28*4882a593Smuzhiyun LDO7-10 are specific to RC5T619. 29*4882a593Smuzhiyun The common bindings for each individual regulator can be found in: 30*4882a593Smuzhiyun Documentation/devicetree/bindings/regulator/regulator.txt 31*4882a593Smuzhiyun 32*4882a593SmuzhiyunExample: 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun pmic@32 { 35*4882a593Smuzhiyun compatible = "ricoh,rn5t618"; 36*4882a593Smuzhiyun reg = <0x32>; 37*4882a593Smuzhiyun interrupt-parent = <&gpio5>; 38*4882a593Smuzhiyun interrupts = <11 IRQ_TYPE_EDGE_FALLING>; 39*4882a593Smuzhiyun system-power-controller; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun regulators { 42*4882a593Smuzhiyun DCDC1 { 43*4882a593Smuzhiyun regulator-min-microvolt = <1050000>; 44*4882a593Smuzhiyun regulator-max-microvolt = <1050000>; 45*4882a593Smuzhiyun }; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun DCDC2 { 48*4882a593Smuzhiyun regulator-min-microvolt = <1175000>; 49*4882a593Smuzhiyun regulator-max-microvolt = <1175000>; 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun }; 53