1*c66ec88fSEmmanuel VadotTI SOC ECAP based APWM controller 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible: Must be "ti,<soc>-ecap". 5*c66ec88fSEmmanuel Vadot for am33xx - compatible = "ti,am3352-ecap", "ti,am33xx-ecap"; 6*c66ec88fSEmmanuel Vadot for am4372 - compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; 7*c66ec88fSEmmanuel Vadot for da850 - compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; 8*c66ec88fSEmmanuel Vadot for dra746 - compatible = "ti,dra746-ecap", "ti,am3352-ecap"; 9*c66ec88fSEmmanuel Vadot for 66ak2g - compatible = "ti,k2g-ecap", "ti,am3352-ecap"; 10*c66ec88fSEmmanuel Vadot for am654 - compatible = "ti,am654-ecap", "ti,am3352-ecap"; 11*c66ec88fSEmmanuel Vadot- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of 12*c66ec88fSEmmanuel Vadot the cells format. The PWM channel index ranges from 0 to 4. The only third 13*c66ec88fSEmmanuel Vadot cell flag supported by this binding is PWM_POLARITY_INVERTED. 14*c66ec88fSEmmanuel Vadot- reg: physical base address and size of the registers map. 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel VadotOptional properties: 17*c66ec88fSEmmanuel Vadot- clocks: Handle to the ECAP's functional clock. 18*c66ec88fSEmmanuel Vadot- clock-names: Must be set to "fck". 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel VadotExample: 21*c66ec88fSEmmanuel Vadot 22*c66ec88fSEmmanuel Vadotecap0: ecap@48300100 { /* ECAP on am33xx */ 23*c66ec88fSEmmanuel Vadot compatible = "ti,am3352-ecap", "ti,am33xx-ecap"; 24*c66ec88fSEmmanuel Vadot #pwm-cells = <3>; 25*c66ec88fSEmmanuel Vadot reg = <0x48300100 0x80>; 26*c66ec88fSEmmanuel Vadot clocks = <&l4ls_gclk>; 27*c66ec88fSEmmanuel Vadot clock-names = "fck"; 28*c66ec88fSEmmanuel Vadot}; 29*c66ec88fSEmmanuel Vadot 30*c66ec88fSEmmanuel Vadotecap0: ecap@48300100 { /* ECAP on am4372 */ 31*c66ec88fSEmmanuel Vadot compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; 32*c66ec88fSEmmanuel Vadot #pwm-cells = <3>; 33*c66ec88fSEmmanuel Vadot reg = <0x48300100 0x80>; 34*c66ec88fSEmmanuel Vadot ti,hwmods = "ecap0"; 35*c66ec88fSEmmanuel Vadot clocks = <&l4ls_gclk>; 36*c66ec88fSEmmanuel Vadot clock-names = "fck"; 37*c66ec88fSEmmanuel Vadot}; 38*c66ec88fSEmmanuel Vadot 39*c66ec88fSEmmanuel Vadotecap0: ecap@1f06000 { /* ECAP on da850 */ 40*c66ec88fSEmmanuel Vadot compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap"; 41*c66ec88fSEmmanuel Vadot #pwm-cells = <3>; 42*c66ec88fSEmmanuel Vadot reg = <0x1f06000 0x80>; 43*c66ec88fSEmmanuel Vadot}; 44*c66ec88fSEmmanuel Vadot 45*c66ec88fSEmmanuel Vadotecap0: ecap@4843e100 { 46*c66ec88fSEmmanuel Vadot compatible = "ti,dra746-ecap", "ti,am3352-ecap"; 47*c66ec88fSEmmanuel Vadot #pwm-cells = <3>; 48*c66ec88fSEmmanuel Vadot reg = <0x4843e100 0x80>; 49*c66ec88fSEmmanuel Vadot clocks = <&l4_root_clk_div>; 50*c66ec88fSEmmanuel Vadot clock-names = "fck"; 51*c66ec88fSEmmanuel Vadot}; 52