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Document r8a7742 specific compatible strings. No driver change is needed as the fallback compatible string "renesas,tpu" activates the right code in the driver. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
74 lines
1.9 KiB
YAML
74 lines
1.9 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pwm/renesas,tpu-pwm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas R-Car Timer Pulse Unit PWM Controller
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maintainers:
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- Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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properties:
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compatible:
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items:
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- enum:
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- renesas,tpu-r8a73a4 # R-Mobile APE6
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- renesas,tpu-r8a7740 # R-Mobile A1
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- renesas,tpu-r8a7742 # RZ/G1H
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- renesas,tpu-r8a7743 # RZ/G1M
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- renesas,tpu-r8a7744 # RZ/G1N
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- renesas,tpu-r8a7745 # RZ/G1E
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- renesas,tpu-r8a7790 # R-Car H2
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- renesas,tpu-r8a7791 # R-Car M2-W
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- renesas,tpu-r8a7792 # R-Car V2H
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- renesas,tpu-r8a7793 # R-Car M2-N
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- renesas,tpu-r8a7794 # R-Car E2
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- renesas,tpu-r8a7795 # R-Car H3
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- renesas,tpu-r8a7796 # R-Car M3-W
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- renesas,tpu-r8a77965 # R-Car M3-N
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- renesas,tpu-r8a77970 # R-Car V3M
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- renesas,tpu-r8a77980 # R-Car V3H
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- const: renesas,tpu
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reg:
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# Base address and length of each memory resource used by the PWM
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# controller hardware module.
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maxItems: 1
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interrupts:
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maxItems: 1
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'#pwm-cells':
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# 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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const: 3
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clocks:
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maxItems: 1
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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required:
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- compatible
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- reg
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- '#pwm-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a7740-clock.h>
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tpu: pwm@e6600000 {
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compatible = "renesas,tpu-r8a7740", "renesas,tpu";
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reg = <0xe6600000 0x148>;
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clocks = <&mstp3_clks R8A7740_CLK_TPU0>;
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power-domains = <&pd_a3sp>;
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#pwm-cells = <3>;
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};
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