arm64: dts: r8a7795: Add CAN external clock support

Adds external CAN clock node for r8a7795. This clock can be used as
fCAN clock of CAN and CAN FD controller.

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
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 a7315ebe3883f276456280de64d31537099cd292..4049182e66087b720db70303547f9cafa02cf248 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -115,6 +115,14 @@
                clock-frequency = <0>;
        };
 
+       /* External CAN clock - to be overridden by boards that provide it */
+       can_clk: can {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <0>;
+               status = "disabled";
+       };
+
        /* External SCIF clock - to be overridden by boards that provide it */
        scif_clk: scif {
                compatible = "fixed-clock";