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50 lines
1.7 KiB
50 lines
1.7 KiB
TI SOC EHRPWM based PWM controller |
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Required properties: |
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- compatible: Must be "ti,<soc>-ehrpwm". |
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for am33xx - compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; |
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for am4372 - compatible = "ti,am4372-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; |
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for am654 - compatible = "ti,am654-ehrpwm", "ti-am3352-ehrpwm"; |
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for da850 - compatible = "ti,da850-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; |
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for dra746 - compatible = "ti,dra746-ehrpwm", "ti-am3352-ehrpwm"; |
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- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of |
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the cells format. The only third cell flag supported by this binding is |
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PWM_POLARITY_INVERTED. |
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- reg: physical base address and size of the registers map. |
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Optional properties: |
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- clocks: Handle to the PWM's time-base and functional clock. |
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- clock-names: Must be set to "tbclk" and "fck". |
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Example: |
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ehrpwm0: pwm@48300200 { /* EHRPWM on am33xx */ |
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compatible = "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; |
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#pwm-cells = <3>; |
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reg = <0x48300200 0x100>; |
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clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>; |
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clock-names = "tbclk", "fck"; |
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}; |
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ehrpwm0: pwm@48300200 { /* EHRPWM on am4372 */ |
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compatible = "ti,am4372-ehrpwm", "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; |
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#pwm-cells = <3>; |
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reg = <0x48300200 0x80>; |
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clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>; |
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clock-names = "tbclk", "fck"; |
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ti,hwmods = "ehrpwm0"; |
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}; |
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ehrpwm0: pwm@1f00000 { /* EHRPWM on da850 */ |
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compatible = "ti,da850-ehrpwm", "ti,am3352-ehrpwm", "ti,am33xx-ehrpwm"; |
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#pwm-cells = <3>; |
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reg = <0x1f00000 0x2000>; |
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}; |
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ehrpwm0: pwm@4843e200 { /* EHRPWM on dra746 */ |
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compatible = "ti,dra746-ehrpwm", "ti,am3352-ehrpwm"; |
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#pwm-cells = <3>; |
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reg = <0x4843e200 0x80>; |
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clocks = <&ehrpwm0_tbclk>, <&l4_root_clk_div>; |
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clock-names = "tbclk", "fck"; |
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};
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