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author | Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> | 2016-02-29 15:37:25 +0300 |
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committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2016-03-10 12:30:21 +0300 |
commit | e481ab23c57b37c989fa27e0a6b3e941a908775a (patch) | |
tree | bd4833e87b81125ee2cbaad8bdce279944ca0560 | |
parent | 6cc6426605b7edabde41c72add723979d1d509e7 (diff) | |
download | linux-e481ab23c57b37c989fa27e0a6b3e941a908775a.tar.xz |
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>
-rw-r--r-- | Documentation/devicetree/bindings/net/can/rcar_can.txt | 11 | ||||
-rw-r--r-- | drivers/net/can/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/can/rcar_can.c | 1 |
3 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt index 65edc055722f..8d40ab27bc8c 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_can.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt @@ -9,8 +9,10 @@ Required properties: "renesas,can-r8a7792" if CAN controller is a part of R8A7792 SoC. "renesas,can-r8a7793" if CAN controller is a part of R8A7793 SoC. "renesas,can-r8a7794" if CAN controller is a part of R8A7794 SoC. + "renesas,can-r8a7795" if CAN controller is a part of R8A7795 SoC. "renesas,rcar-gen1-can" for a generic R-Car Gen1 compatible device. "renesas,rcar-gen2-can" for a generic R-Car Gen2 compatible device. + "renesas,rcar-gen3-can" for a generic R-Car Gen3 compatible device. When compatible with the generic version, nodes must list the SoC-specific version corresponding to the platform first followed by the generic version. @@ -22,6 +24,15 @@ Required properties: - pinctrl-0: pin control group to be used for this controller. - pinctrl-names: must be "default". +Required properties for "renesas,can-r8a7795" compatible: +In R8A7795 SoC, "clkp2" can be CANFD clock. This is a div6 clock and can be +used by both CAN and CAN FD controller at the same time. It needs to be scaled +to maximum frequency if any of these controllers use it. This is done using +the below properties. + +- assigned-clocks: phandle of clkp2(CANFD) clock. +- assigned-clock-rates: maximum frequency of this clock. + Optional properties: - renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are: <0x0> (default) : Peripheral clock (clkp1) diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 164ccdeca663..0d40aef928e2 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -106,7 +106,7 @@ config CAN_JANZ_ICAN3 config CAN_RCAR tristate "Renesas R-Car CAN controller" - depends on ARM + depends on ARCH_RENESAS || ARM ---help--- Say Y here if you want to use CAN controller found on Renesas R-Car SoCs. diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c index ad3d2e0cb191..788459f6bf5c 100644 --- a/drivers/net/can/rcar_can.c +++ b/drivers/net/can/rcar_can.c @@ -906,6 +906,7 @@ static const struct of_device_id rcar_can_of_table[] __maybe_unused = { { .compatible = "renesas,can-r8a7791" }, { .compatible = "renesas,rcar-gen1-can" }, { .compatible = "renesas,rcar-gen2-can" }, + { .compatible = "renesas,rcar-gen3-can" }, { } }; MODULE_DEVICE_TABLE(of, rcar_can_of_table); |