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| author | Fabrizio Castro <fabrizio.castro@bp.renesas.com> | 2019-05-09 21:20:22 +0200 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2019-06-17 11:19:40 +0200 |
| commit | c908fd08692b8b4d87524762218652df6922386d (patch) | |
| tree | bcdbe35f2a637f54a6226a0b71009847e578d54f /Documentation | |
| parent | dt-bindings: can: rcar_canfd: document r8a77990 support (diff) | |
| download | linux-c908fd08692b8b4d87524762218652df6922386d.tar.xz linux-c908fd08692b8b4d87524762218652df6922386d.zip | |
dt-bindings: can: rcar_canfd: document r8a774c0 support
Document the support for rcar_canfd on R8A774C0 SoC devices.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/can/rcar_canfd.txt | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt index 41049fed5872..32f051f6d338 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt @@ -3,7 +3,8 @@ Renesas R-Car CAN FD controller Device Tree Bindings Required properties: - compatible: Must contain one or more of the following: - - "renesas,rcar-gen3-canfd" for R-Car Gen3 compatible controller. + - "renesas,rcar-gen3-canfd" for R-Car Gen3 and RZ/G2 compatible controllers. + - "renesas,r8a774c0-canfd" for R8A774C0 (RZ/G2E) compatible controller. - "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller. - "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller. - "renesas,r8a77965-canfd" for R8A77965 (R-Car M3-N) compatible controller. @@ -28,12 +29,13 @@ The name of the child nodes are "channel0" and "channel1" respectively. Each child node supports the "status" property only, which is used to enable/disable the respective channel. -Required properties for "renesas,r8a7795-canfd", "renesas,r8a7796-canfd", -"renesas,r8a77965-canfd" and "renesas,r8a77990-canfd" compatible: -In R8A7795, R8A7796, R8A77965 and R8A77990 SoCs, canfd clock 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: +Required properties for "renesas,r8a774c0-canfd", "renesas,r8a7795-canfd", +"renesas,r8a7796-canfd", "renesas,r8a77965-canfd", and "renesas,r8a77990-canfd" +compatible: +In R8A774C0, R8A7795, R8A7796, R8A77965, and R8A77990 SoCs, canfd clock 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 canfd clock. - assigned-clock-rates: maximum frequency of this clock. |