The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pwm/img-pwm.txt

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    1 *Imagination Technologies PWM DAC driver
    2 
    3 Required properties:
    4   - compatible: Should be "img,pistachio-pwm"
    5   - reg: Should contain physical base address and length of pwm registers.
    6   - clocks: Must contain an entry for each entry in clock-names.
    7         See ../clock/clock-bindings.txt for details.
    8   - clock-names: Must include the following entries.
    9     - pwm: PWM operating clock.
   10     - sys: PWM system interface clock.
   11   - #pwm-cells: Should be 2. See pwm.yaml in this directory for the
   12         description of the cells format.
   13   - img,cr-periph: Must contain a phandle to the peripheral control
   14         syscon node which contains PWM control registers.
   15 
   16 Example:
   17         pwm: pwm@18101300 {
   18                 compatible = "img,pistachio-pwm";
   19                 reg = <0x18101300 0x100>;
   20                 clocks = <&pwm_clk>, <&system_clk>;
   21                 clock-names = "pwm", "sys";
   22                 #pwm-cells = <2>;
   23                 img,cr-periph = <&cr_periph>;
   24         };

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