[PATCH 069/102] arm64: dts: renesas: r8a77970: add CAN-FD support
From: Simon Horman <hidden>
Date: 2018-05-18 11:15:31
Also in:
linux-renesas-soc
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
From: Sergei Shtylyov <redacted> 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 <redacted> Signed-off-by: Sergei Shtylyov <redacted> Acked-by: Ramesh Shanmugasundaram <redacted> Signed-off-by: Simon Horman <redacted> --- arch/arm64/boot/dts/renesas/r8a77970.dtsi | 32 +++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
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 at 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 at e6800000 { compatible = "renesas,etheravb-r8a77970", "renesas,etheravb-rcar-gen3";
--
2.11.0