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Add a new driver for the ARM CLPS711X Pulse Width Modulator (PWM) interface. This CPU contain two 4-bit PWM outputs with constant period, based on CPU PLL frequency. PWM polarity is determined by hardware by power on reset. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
17 lines
494 B
Plaintext
17 lines
494 B
Plaintext
* Cirris Logic CLPS711X PWM controller
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Required properties:
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- compatible: Shall contain "cirrus,clps711x-pwm".
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- reg: Physical base address and length of the controller's registers.
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- clocks: phandle + clock specifier pair of the PWM reference clock.
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- #pwm-cells: Should be 1. The cell specifies the index of the channel.
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Example:
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pwm: pwm@80000400 {
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compatible = "cirrus,ep7312-pwm",
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"cirrus,clps711x-pwm";
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reg = <0x80000400 0x4>;
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clocks = <&clks 8>;
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#pwm-cells = <1>;
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};
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