Commit 5056a0c7 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

arm64: dts: renesas: r8a779g0: Add CAN-FD node 



Add device nodes for the CAN-FD interface and the related external CAN
clock on the Renesas R-Car V4H (R8A779G0) SoC.

Based on a patch in the BSP by Kazuya Mizuguch.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6c55d0995089917216ee261a8b8cbb980c7b5304.1674500205.git.geert+renesas@glider.be
parent a17039b6

arch/arm64/boot/dts/renesas/r8a779g0.dtsi

+57 −0
Original line number Diff line number Diff line
@@ -14,6 +14,13 @@ / { 
	#address-cells = <2>;

	#size-cells = <2>;



	/* 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-table-0 {

		compatible = "operating-points-v2";

		opp-shared;
@@ -682,6 +689,56 @@ hscif3: serial@e66a0000 { 
			status = "disabled";

		};



		canfd: can@e6660000 {

			compatible = "renesas,r8a779g0-canfd",

				     "renesas,rcar-gen4-canfd";

			reg = <0 0xe6660000 0 0x8500>;

			interrupts = <GIC_SPI 412 IRQ_TYPE_LEVEL_HIGH>,

				     <GIC_SPI 413 IRQ_TYPE_LEVEL_HIGH>;

			interrupt-names = "ch_int", "g_int";

			clocks = <&cpg CPG_MOD 328>,

				 <&cpg CPG_CORE R8A779G0_CLK_CANFD>,

				 <&can_clk>;

			clock-names = "fck", "canfd", "can_clk";

			assigned-clocks = <&cpg CPG_CORE R8A779G0_CLK_CANFD>;

			assigned-clock-rates = <80000000>;

			power-domains = <&sysc R8A779G0_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-r8a779g0",

				     "renesas,etheravb-rcar-gen4";