1*c66ec88fSEmmanuel Vadot* STMicroelectronics SAS. ST33ZP24 TPM SoC 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible: Should be "st,st33zp24-i2c". 5*c66ec88fSEmmanuel Vadot- clock-frequency: I²C work frequency. 6*c66ec88fSEmmanuel Vadot- reg: address on the bus 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel VadotOptional ST33ZP24 Properties: 9*c66ec88fSEmmanuel Vadot- interrupts: GPIO interrupt to which the chip is connected 10*c66ec88fSEmmanuel Vadot- lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state. 11*c66ec88fSEmmanuel VadotIf set, power must be present when the platform is going into sleep/hibernate mode. 12*c66ec88fSEmmanuel Vadot 13*c66ec88fSEmmanuel VadotOptional SoC Specific Properties: 14*c66ec88fSEmmanuel Vadot- pinctrl-names: Contains only one value - "default". 15*c66ec88fSEmmanuel Vadot- pintctrl-0: Specifies the pin control groups used for this controller. 16*c66ec88fSEmmanuel Vadot 17*c66ec88fSEmmanuel VadotExample (for ARM-based BeagleBoard xM with ST33ZP24 on I2C2): 18*c66ec88fSEmmanuel Vadot 19*c66ec88fSEmmanuel Vadot&i2c2 { 20*c66ec88fSEmmanuel Vadot 21*c66ec88fSEmmanuel Vadot 22*c66ec88fSEmmanuel Vadot st33zp24: st33zp24@13 { 23*c66ec88fSEmmanuel Vadot 24*c66ec88fSEmmanuel Vadot compatible = "st,st33zp24-i2c"; 25*c66ec88fSEmmanuel Vadot 26*c66ec88fSEmmanuel Vadot reg = <0x13>; 27*c66ec88fSEmmanuel Vadot clock-frequency = <400000>; 28*c66ec88fSEmmanuel Vadot 29*c66ec88fSEmmanuel Vadot interrupt-parent = <&gpio5>; 30*c66ec88fSEmmanuel Vadot interrupts = <7 IRQ_TYPE_LEVEL_HIGH>; 31*c66ec88fSEmmanuel Vadot 32*c66ec88fSEmmanuel Vadot lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>; 33*c66ec88fSEmmanuel Vadot }; 34*c66ec88fSEmmanuel Vadot}; 35