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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/renesas,tpu-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas R-Car Timer Pulse Unit PWM Controller
+
+maintainers:
+ - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
+
+select:
+ properties:
+ compatible:
+ contains:
+ const: renesas,tpu
+ required:
+ - compatible
+ - '#pwm-cells'
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,tpu-r8a73a4 # R-Mobile APE6
+ - renesas,tpu-r8a7740 # R-Mobile A1
+ - renesas,tpu-r8a7742 # RZ/G1H
+ - renesas,tpu-r8a7743 # RZ/G1M
+ - renesas,tpu-r8a7744 # RZ/G1N
+ - renesas,tpu-r8a7745 # RZ/G1E
+ - renesas,tpu-r8a7790 # R-Car H2
+ - renesas,tpu-r8a7791 # R-Car M2-W
+ - renesas,tpu-r8a7792 # R-Car V2H
+ - renesas,tpu-r8a7793 # R-Car M2-N
+ - renesas,tpu-r8a7794 # R-Car E2
+ - renesas,tpu-r8a7795 # R-Car H3
+ - renesas,tpu-r8a7796 # R-Car M3-W
+ - renesas,tpu-r8a77961 # R-Car M3-W+
+ - renesas,tpu-r8a77965 # R-Car M3-N
+ - renesas,tpu-r8a77970 # R-Car V3M
+ - renesas,tpu-r8a77980 # R-Car V3H
+ - renesas,tpu-r8a779a0 # R-Car V3U
+ - const: renesas,tpu
+
+ reg:
+ # Base address and length of each memory resource used by the PWM
+ # controller hardware module.
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ '#pwm-cells':
+ # should be 3. See pwm.yaml in this directory for a description of
+ # the cells format. The only third cell flag supported by this binding is
+ # PWM_POLARITY_INVERTED.
+ const: 3
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - power-domains
+
+allOf:
+ - $ref: pwm.yaml#
+
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,tpu-r8a73a4
+ - renesas,tpu-r8a7740
+ then:
+ required:
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/r8a7740-clock.h>
+
+ tpu: pwm@e6600000 {
+ compatible = "renesas,tpu-r8a7740", "renesas,tpu";
+ reg = <0xe6600000 0x148>;
+ clocks = <&mstp3_clks R8A7740_CLK_TPU0>;
+ power-domains = <&pd_a3sp>;
+ #pwm-cells = <3>;
+ };