This patch adds CANFD device node for r8a779a0.
Based on patch by Kazuya Mizuguchi.
Signed-off-by: Ulrich Hecht <uli+renesas@xxxxxxxx>
---
arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 55 +++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index f9a882b34f82..c54c06473248 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>;
@@ -236,6 +243,54 @@
#interrupt-cells = <2>;
};
+ 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>;
+ 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 = <40000000>;
+ 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";
+ };
+ };
+
cmt0: timer@e60f0000 {
compatible = "renesas,r8a779a0-cmt0",
"renesas,rcar-gen3-cmt0";
--
2.20.1
