xref: /freebsd/sys/contrib/device-tree/Bindings/arm/picoxcell.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotPicochip picoXcell device tree bindings.
2*c66ec88fSEmmanuel Vadot========================================
3*c66ec88fSEmmanuel Vadot
4*c66ec88fSEmmanuel VadotRequired root node properties:
5*c66ec88fSEmmanuel Vadot    - compatible:
6*c66ec88fSEmmanuel Vadot	- "picochip,pc7302-pc3x3" : PC7302 development board with PC3X3 device.
7*c66ec88fSEmmanuel Vadot	- "picochip,pc7302-pc3x2" : PC7302 development board with PC3X2 device.
8*c66ec88fSEmmanuel Vadot	- "picochip,pc3x3" : picoXcell PC3X3 device based board.
9*c66ec88fSEmmanuel Vadot	- "picochip,pc3x2" : picoXcell PC3X2 device based board.
10*c66ec88fSEmmanuel Vadot
11*c66ec88fSEmmanuel VadotTimers required properties:
12*c66ec88fSEmmanuel Vadot    - compatible = "picochip,pc3x2-timer"
13*c66ec88fSEmmanuel Vadot    - interrupts : The single IRQ line for the timer.
14*c66ec88fSEmmanuel Vadot    - clock-freq : The frequency in HZ of the timer.
15*c66ec88fSEmmanuel Vadot    - reg : The register bank for the timer.
16*c66ec88fSEmmanuel Vadot
17*c66ec88fSEmmanuel VadotNote: two timers are required - one for the scheduler clock and one for the
18*c66ec88fSEmmanuel Vadotevent tick/NOHZ.
19*c66ec88fSEmmanuel Vadot
20*c66ec88fSEmmanuel VadotVIC required properties:
21*c66ec88fSEmmanuel Vadot    - compatible = "arm,pl192-vic".
22*c66ec88fSEmmanuel Vadot    - interrupt-controller.
23*c66ec88fSEmmanuel Vadot    - reg : The register bank for the device.
24*c66ec88fSEmmanuel Vadot    - #interrupt-cells : Must be 1.
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