st33zp24-i2c.txt

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

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/security/tpm/st33zp24-i2c.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/security/tpm/st33zp24-i2c.txt