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Specify DT bindings for the TPU PWM controller and add OF support to the driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
* Renesas R-Car Timer Pulse Unit PWM Controller
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Required Properties:
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- compatible: should be one of the following.
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- "renesas,tpu-r8a73a4": for R8A77A4 (R-Mobile APE6) compatible PWM controller.
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- "renesas,tpu-r8a7740": for R8A7740 (R-Mobile A1) compatible PWM controller.
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- "renesas,tpu-r8a7790": for R8A7790 (R-Car H2) compatible PWM controller.
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- "renesas,tpu-sh7372": for SH7372 (SH-Mobile AP4) compatible PWM controller.
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- "renesas,tpu": for generic R-Car TPU PWM controller.
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- reg: Base address and length of each memory resource used by the PWM
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controller hardware module.
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- #pwm-cells: should be 3. See pwm.txt 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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Please refer to pwm.txt in this directory for details of the common PWM bindings
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used by client devices.
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Example: R8A7740 (R-Car A1) TPU controller node
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tpu: pwm@e6600000 {
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compatible = "renesas,tpu-r8a7740", "renesas,tpu";
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reg = <0xe6600000 0x100>;
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#pwm-cells = <3>;
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};
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