pwm-tiecap.txt

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    1 TI SOC ECAP based APWM controller
    2 
    3 Required properties:
    4 - compatible: Must be "ti,<soc>-ecap".
    5   for am33xx - compatible = "ti,am3352-ecap", "ti,am33xx-ecap";
    6   for am4372 - compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap";
    7   for da850  - compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap";
    8   for dra746 - compatible = "ti,dra746-ecap", "ti,am3352-ecap";
    9   for 66ak2g - compatible = "ti,k2g-ecap", "ti,am3352-ecap";
   10   for am654  - compatible = "ti,am654-ecap", "ti,am3352-ecap";
   11 - #pwm-cells: should be 3. See pwm.yaml in this directory for a description of
   12   the cells format. The PWM channel index ranges from 0 to 4. The only third
   13   cell flag supported by this binding is PWM_POLARITY_INVERTED.
   14 - reg: physical base address and size of the registers map.
   15 
   16 Optional properties:
   17 - clocks: Handle to the ECAP's functional clock.
   18 - clock-names: Must be set to "fck".
   19 
   20 Example:
   21 
   22 ecap0: ecap@48300100 { /* ECAP on am33xx */
   23         compatible = "ti,am3352-ecap", "ti,am33xx-ecap";
   24         #pwm-cells = <3>;
   25         reg = <0x48300100 0x80>;
   26         clocks = <&l4ls_gclk>;
   27         clock-names = "fck";
   28 };
   29 
   30 ecap0: ecap@48300100 { /* ECAP on am4372 */
   31         compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap";
   32         #pwm-cells = <3>;
   33         reg = <0x48300100 0x80>;
   34         ti,hwmods = "ecap0";
   35         clocks = <&l4ls_gclk>;
   36         clock-names = "fck";
   37 };
   38 
   39 ecap0: ecap@1f06000 { /* ECAP on da850 */
   40         compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap";
   41         #pwm-cells = <3>;
   42         reg = <0x1f06000 0x80>;
   43 };
   44 
   45 ecap0: ecap@4843e100 {
   46         compatible = "ti,dra746-ecap", "ti,am3352-ecap";
   47         #pwm-cells = <3>;
   48         reg = <0x4843e100 0x80>;
   49         clocks = <&l4_root_clk_div>;
   50         clock-names = "fck";
   51 };

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

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