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author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2018-04-26 23:33:14 +0300 |
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committer | Simon Horman <horms+renesas@verge.net.au> | 2018-05-16 11:46:09 +0300 |
commit | 81a579d53a89dbf8380cefff37794c0321cfbed5 (patch) | |
tree | d4252f7efb936b72a7bcd69f3fb1086cd5a96f09 | |
parent | 4c529600eef0a6b77e9fd27d89fbe0d2f030ede4 (diff) | |
download | linux-81a579d53a89dbf8380cefff37794c0321cfbed5.tar.xz |
arm64: dts: renesas: r8a77970: add CAN-FD support
Define the generic R8A77970 part of the CAN-FD device node.
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77970.dtsi | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi b/arch/arm64/boot/dts/renesas/r8a77970.dtsi index 6ed2e95eb53d..37b843c0677a 100644 --- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi @@ -68,6 +68,13 @@ method = "smc"; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + /* External SCIF clock - to be overridden by boards that provide it */ scif_clk: scif { compatible = "fixed-clock"; @@ -381,6 +388,31 @@ status = "disabled"; }; + canfd: can@e66c0000 { + compatible = "renesas,r8a77970-canfd", + "renesas,rcar-gen3-canfd"; + reg = <0 0xe66c0000 0 0x8000>; + interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 914>, + <&cpg CPG_CORE R8A77970_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A77970_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A77970_PD_ALWAYS_ON>; + resets = <&cpg 914>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; + }; + avb: ethernet@e6800000 { compatible = "renesas,etheravb-r8a77970", "renesas,etheravb-rcar-gen3"; |