1*c66ec88fSEmmanuel Vadot* STMicroelectronics SAS. ST33ZP24 TPM SoC 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible: Should be "st,st33zp24-spi". 5*c66ec88fSEmmanuel Vadot- spi-max-frequency: Maximum SPI frequency (<= 10000000). 6*c66ec88fSEmmanuel Vadot 7*c66ec88fSEmmanuel VadotOptional ST33ZP24 Properties: 8*c66ec88fSEmmanuel Vadot- interrupts: GPIO interrupt to which the chip is connected 9*c66ec88fSEmmanuel Vadot- lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state. 10*c66ec88fSEmmanuel VadotIf set, power must be present when the platform is going into sleep/hibernate mode. 11*c66ec88fSEmmanuel Vadot 12*c66ec88fSEmmanuel VadotOptional SoC Specific Properties: 13*c66ec88fSEmmanuel Vadot- pinctrl-names: Contains only one value - "default". 14*c66ec88fSEmmanuel Vadot- pintctrl-0: Specifies the pin control groups used for this controller. 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel VadotExample (for ARM-based BeagleBoard xM with ST33ZP24 on SPI4): 17*c66ec88fSEmmanuel Vadot 18*c66ec88fSEmmanuel Vadot&mcspi4 { 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel Vadot 21*c66ec88fSEmmanuel Vadot st33zp24@0 { 22*c66ec88fSEmmanuel Vadot 23*c66ec88fSEmmanuel Vadot compatible = "st,st33zp24-spi"; 24*c66ec88fSEmmanuel Vadot 25*c66ec88fSEmmanuel Vadot spi-max-frequency = <10000000>; 26*c66ec88fSEmmanuel Vadot 27*c66ec88fSEmmanuel Vadot interrupt-parent = <&gpio5>; 28*c66ec88fSEmmanuel Vadot interrupts = <7 IRQ_TYPE_LEVEL_HIGH>; 29*c66ec88fSEmmanuel Vadot 30*c66ec88fSEmmanuel Vadot lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>; 31*c66ec88fSEmmanuel Vadot }; 32*c66ec88fSEmmanuel Vadot}; 33