diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2020-07-15 14:09:10 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-07-17 11:58:24 +0300 |
| commit | 8e340e7560d1d4db3b7ed5c010d3460de8ff0c1e (patch) | |
| tree | 977c5403bec3e76fc1fa699a251c28eb2f51b14b /arch/arm64/boot/dts | |
| parent | 96ebdb7a87917fd6ee74f46024ca756cc3d3d1ce (diff) | |
| download | linux-8e340e7560d1d4db3b7ed5c010d3460de8ff0c1e.tar.xz | |
arm64: dts: renesas: r8a774e1: Add CAN[FD] support
Add CAN[01] and CANFD support to RZ/G2H (R8A774E1) SoC specific dtsi.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1594811350-14066-21-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a774e1.dtsi | 56 |
1 files changed, 53 insertions, 3 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi index 0ebf086f5ce9..0f86cfd52425 100644 --- a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi @@ -34,6 +34,13 @@ clock-frequency = <0>; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + cluster0_opp: opp_table0 { compatible = "operating-points-v2"; opp-shared; @@ -1139,17 +1146,60 @@ }; can0: can@e6c30000 { + compatible = "renesas,can-r8a774e1", + "renesas,rcar-gen3-can"; reg = <0 0xe6c30000 0 0x1000>; + interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 916>, + <&cpg CPG_CORE R8A774E1_CLK_CANFD>, + <&can_clk>; + clock-names = "clkp1", "clkp2", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774E1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>; + resets = <&cpg 916>; status = "disabled"; - - /* placeholder */ }; can1: can@e6c38000 { + compatible = "renesas,can-r8a774e1", + "renesas,rcar-gen3-can"; reg = <0 0xe6c38000 0 0x1000>; + interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 915>, + <&cpg CPG_CORE R8A774E1_CLK_CANFD>, + <&can_clk>; + clock-names = "clkp1", "clkp2", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774E1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>; + resets = <&cpg 915>; status = "disabled"; + }; - /* placeholder */ + canfd: can@e66c0000 { + compatible = "renesas,r8a774e1-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 R8A774E1_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774E1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>; + resets = <&cpg 914>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; }; pwm0: pwm@e6e30000 { |