[PATCH v2 3/5] arm64: dts: renesas: r8a779a0: Add CANFD device node
From: Ulrich Hecht <hidden>
Date: 2022-01-11 16:28:40
Also in:
linux-can, linux-renesas-soc
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
This patch adds a CANFD device node for r8a779a0. Based on patch by Kazuya Mizuguchi. Signed-off-by: Ulrich Hecht <redacted> --- arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 56 +++++++++++++++++++++++ 1 file changed, 56 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index 1e7ed12ebc87..dfde33fa40e3 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi@@ -24,6 +24,13 @@ i2c6 = &i2c6; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + cpus { #address-cells = <1>; #size-cells = <0>;
@@ -581,6 +588,55 @@ status = "disabled"; }; + canfd: can@e6660000 { + compatible = "renesas,r8a779a0-canfd"; + reg = <0 0xe6660000 0 0x8000>; + interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "ch_int", "g_int"; + clocks = <&cpg CPG_MOD 328>, + <&cpg CPG_CORE R8A779A0_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A779A0_CLK_CANFD>; + assigned-clock-rates = <80000000>; + power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; + resets = <&cpg 328>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; + + channel2 { + status = "disabled"; + }; + + channel3 { + status = "disabled"; + }; + + channel4 { + status = "disabled"; + }; + + channel5 { + status = "disabled"; + }; + + channel6 { + status = "disabled"; + }; + + channel7 { + status = "disabled"; + }; + }; + avb0: ethernet@e6800000 { compatible = "renesas,etheravb-r8a779a0", "renesas,etheravb-rcar-gen3";
--
2.20.1