arm64: dts: r8a7795: Add CAN FD support

Adds CAN FD controller node for r8a7795.

Note: CAN FD controller register base address specified in R-Car Gen3
Hardware User Manual v0.5E is incorrect. The correct address is:

CAN FD - 0xe66c0000

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index fad6dd8..b902356 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -583,6 +583,30 @@
                        status = "disabled";
                };
 
+               canfd: can@e66c0000 {
+                       compatible = "renesas,r8a7795-canfd",
+                                    "renesas,rcar-gen3-canfd";
+                       reg = <0 0xe66c0000 0 0x8000>;
+                       interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
+                                  <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 914>,
+                              <&cpg CPG_CORE R8A7795_CLK_CANFD>,
+                              <&can_clk>;
+                       clock-names = "fck", "canfd", "can_clk";
+                       assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
+                       assigned-clock-rates = <40000000>;
+                       power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+                       status = "disabled";
+
+                       channel0 {
+                               status = "disabled";
+                       };
+
+                       channel1 {
+                               status = "disabled";
+                       };
+               };
+
                hscif0: serial@e6540000 {
                        compatible = "renesas,hscif-r8a7795",
                                     "renesas,rcar-gen3-hscif",