diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2019-05-09 20:20:21 +0100 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2019-06-17 11:19:36 +0200 |
| commit | 485dccb48f7590939c6dee794e0a30512926c830 (patch) | |
| tree | 2394c6a83309e1a29340d1263a2eeca580c9964b /Documentation/devicetree/bindings/net/can/rcar_canfd.txt | |
| parent | d04824b263480212771da4efbb34b49dc1a88d9f (diff) | |
dt-bindings: can: rcar_canfd: document r8a77990 support
Document the support for rcar_canfd on R8A77990 SoC devices.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'Documentation/devicetree/bindings/net/can/rcar_canfd.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/can/rcar_canfd.txt | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt index 4720e916fbdd..41049fed5872 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt @@ -9,6 +9,7 @@ Required properties: - "renesas,r8a77965-canfd" for R8A77965 (R-Car M3-N) compatible controller. - "renesas,r8a77970-canfd" for R8A77970 (R-Car V3M) compatible controller. - "renesas,r8a77980-canfd" for R8A77980 (R-Car V3H) compatible controller. + - "renesas,r8a77990-canfd" for R8A77990 (R-Car E3) compatible controller. When compatible with the generic version, nodes must list the SoC-specific version corresponding to the platform first, followed by the @@ -27,12 +28,12 @@ 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" and -"renesas,r8a77965-canfd" compatible: -In R8A7795, R8A7796 and R8A77965 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,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: - assigned-clocks: phandle of canfd clock. - assigned-clock-rates: maximum frequency of this clock. |