arm64: dts: r8a7796: Add CAN external clock support

patersonc · horms · commit 8a6de0453954 · 2017-01-03T10:41:21.000+01:00
Adds external CAN clock node for r8a7796. This clock can be used as
fCAN clock of CAN and CAN FD controller.

Based on a patch for r8a7795 by Ramesh Shanmugasundaram.

Signed-off-by: Chris Paterson &lt;chris.paterson2@renesas.com&gt;
Reviewed-by: Geert Uytterhoeven &lt;geert+renesas@glider.be&gt;
Acked-by: Marc Kleine-Budde &lt;mkl@pengutronix.de&gt;
Signed-off-by: Simon Horman &lt;horms+renesas@verge.net.au&gt;
diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -69,6 +69,13 @@
 		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>;
+	};
+
 	/* External SCIF clock - to be overridden by boards that provide it */
 	scif_clk: scif {
 		compatible = "fixed-clock";
