can: rcar_can: Add r8a7795 support
Added r8a7795 SoC support. Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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@ -9,8 +9,10 @@ Required properties:
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"renesas,can-r8a7792" if CAN controller is a part of R8A7792 SoC.
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"renesas,can-r8a7792" if CAN controller is a part of R8A7792 SoC.
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"renesas,can-r8a7793" if CAN controller is a part of R8A7793 SoC.
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"renesas,can-r8a7793" if CAN controller is a part of R8A7793 SoC.
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"renesas,can-r8a7794" if CAN controller is a part of R8A7794 SoC.
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"renesas,can-r8a7794" if CAN controller is a part of R8A7794 SoC.
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"renesas,can-r8a7795" if CAN controller is a part of R8A7795 SoC.
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"renesas,rcar-gen1-can" for a generic R-Car Gen1 compatible device.
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"renesas,rcar-gen1-can" for a generic R-Car Gen1 compatible device.
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"renesas,rcar-gen2-can" for a generic R-Car Gen2 compatible device.
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"renesas,rcar-gen2-can" for a generic R-Car Gen2 compatible device.
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"renesas,rcar-gen3-can" for a generic R-Car Gen3 compatible device.
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When compatible with the generic version, nodes must list the
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When compatible with the generic version, nodes must list the
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SoC-specific version corresponding to the platform first
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SoC-specific version corresponding to the platform first
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followed by the generic version.
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followed by the generic version.
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@ -22,6 +24,15 @@ Required properties:
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- pinctrl-0: pin control group to be used for this controller.
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- pinctrl-0: pin control group to be used for this controller.
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- pinctrl-names: must be "default".
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- pinctrl-names: must be "default".
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Required properties for "renesas,can-r8a7795" compatible:
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In R8A7795 SoC, "clkp2" can be CANFD clock. This is a div6 clock and can be
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used by both CAN and CAN FD controller at the same time. It needs to be scaled
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to maximum frequency if any of these controllers use it. This is done using
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the below properties.
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- assigned-clocks: phandle of clkp2(CANFD) clock.
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- assigned-clock-rates: maximum frequency of this clock.
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Optional properties:
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Optional properties:
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- renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are:
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- renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are:
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<0x0> (default) : Peripheral clock (clkp1)
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<0x0> (default) : Peripheral clock (clkp1)
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@ -106,7 +106,7 @@ config CAN_JANZ_ICAN3
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config CAN_RCAR
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config CAN_RCAR
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tristate "Renesas R-Car CAN controller"
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tristate "Renesas R-Car CAN controller"
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depends on ARM
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depends on ARCH_RENESAS || ARM
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---help---
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---help---
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Say Y here if you want to use CAN controller found on Renesas R-Car
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Say Y here if you want to use CAN controller found on Renesas R-Car
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SoCs.
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SoCs.
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@ -906,6 +906,7 @@ static const struct of_device_id rcar_can_of_table[] __maybe_unused = {
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{ .compatible = "renesas,can-r8a7791" },
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{ .compatible = "renesas,can-r8a7791" },
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{ .compatible = "renesas,rcar-gen1-can" },
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{ .compatible = "renesas,rcar-gen1-can" },
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{ .compatible = "renesas,rcar-gen2-can" },
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{ .compatible = "renesas,rcar-gen2-can" },
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{ .compatible = "renesas,rcar-gen3-can" },
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{ }
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{ }
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};
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};
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MODULE_DEVICE_TABLE(of, rcar_can_of_table);
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MODULE_DEVICE_TABLE(of, rcar_can_of_table);
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