This patch adds a CANFD device node for r8a779a0.
Based on patch by Kazuya Mizuguchi.
Signed-off-by: Ulrich Hecht <uli+renesas@xxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
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 c4be288b1912..c80f4584035e 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -24,6 +24,13 @@ aliases {
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>;
@@ -596,6 +603,55 @@ hscif3: serial@e66a0000 {
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";
--
2.30.2
