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authorDuy Nguyen <duy.nguyen.rh@renesas.com>2024-08-01 15:54:35 +0200
committerGeert Uytterhoeven <geert+renesas@glider.be>2024-08-20 09:40:52 +0200
commitb3749d434ea48cca473afd440771f048d0860a2e (patch)
tree1c478a0d94b391ad894fe41d69f7e48c53295dda
parent054a83a1548ce30eeebcf95c86951d3ef56e6f7d (diff)
arm64: dts: renesas: r8a779h0: Add CAN-FD node
Add device nodes for the CAN-FD interface and the related external CAN clock on the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/43b786db932f5c53103d34fd530365c445c0425e.1722519717.git.geert+renesas@glider.be
-rw-r--r--arch/arm64/boot/dts/renesas/r8a779h0.dtsi41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
index 247b7654a55d..f34b71539e52 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -21,6 +21,13 @@
clock-frequency = <0>;
};
+ /* External CAN clock - to be overridden by boards that provide it */
+ can_clk: can-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
cluster0_opp: opp-table-0 {
compatible = "operating-points-v2";
@@ -636,6 +643,40 @@
status = "disabled";
};
+ canfd: can@e6660000 {
+ compatible = "renesas,r8a779h0-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 R8A779H0_CLK_CANFD>,
+ <&can_clk>;
+ clock-names = "fck", "canfd", "can_clk";
+ assigned-clocks = <&cpg CPG_CORE R8A779H0_CLK_CANFD>;
+ assigned-clock-rates = <80000000>;
+ power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+ resets = <&cpg 328>;
+ status = "disabled";
+
+ channel0 {
+ status = "disabled";
+ };
+
+ channel1 {
+ status = "disabled";
+ };
+
+ channel2 {
+ status = "disabled";
+ };
+
+ channel3 {
+ status = "disabled";
+ };
+ };
+
avb0: ethernet@e6800000 {
compatible = "renesas,etheravb-r8a779h0",
"renesas,etheravb-rcar-gen4";