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| -rw-r--r-- | Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt new file mode 100644 index 000000000..d53a16715 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt @@ -0,0 +1,29 @@ +* Renesas R-Car Timer Pulse Unit PWM Controller + +Required Properties: + + - compatible: should be one of the following. + - "renesas,tpu-r8a73a4": for R8A73A4 (R-Mobile APE6) compatible PWM controller. + - "renesas,tpu-r8a7740": for R8A7740 (R-Mobile A1) compatible PWM controller. + - "renesas,tpu-r8a7743": for R8A7743 (RZ/G1M) compatible PWM controller. + - "renesas,tpu-r8a7745": for R8A7745 (RZ/G1E) compatible PWM controller. + - "renesas,tpu-r8a7790": for R8A7790 (R-Car H2) compatible PWM controller. + - "renesas,tpu": for generic R-Car and RZ/G1 TPU PWM controller. + + - reg: Base address and length of each memory resource used by the PWM + controller hardware module. + + - #pwm-cells: should be 3. See pwm.txt in this directory for a description of + the cells format. The only third cell flag supported by this binding is + PWM_POLARITY_INVERTED. + +Please refer to pwm.txt in this directory for details of the common PWM bindings +used by client devices. + +Example: R8A7740 (R-Mobile A1) TPU controller node + + tpu: pwm@e6600000 { + compatible = "renesas,tpu-r8a7740", "renesas,tpu"; + reg = <0xe6600000 0x148>; + #pwm-cells = <3>; + }; |