Adds external CAN clock node for r8a77995. This clock can be used as
fCAN clock of CAN and CAN FD controller.

Based on a patch for r8a7796 by Chris Paterson.

Signed-off-by: Ulrich Hecht <[email protected]>
---
 arch/arm64/boot/dts/renesas/r8a77995.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi 
b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
index 788e3af..a8df296 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
@@ -51,6 +51,13 @@
                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>;
+       };
+
        scif_clk: scif {
                compatible = "fixed-clock";
                #clock-cells = <0>;
-- 
2.7.4

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