[PATCH] arm64: dts: uniphier: add reference clock node for PH1-LD20

[Masahiro Yamada]

Add a master clock node generated by a 25MHz crystal oscillator.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
index 651c9d9..9532880 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi
@@ -106,6 +106,12 @@
 	};
 
 	clocks {
+		refclk: ref {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <25000000>;
+		};
+
 		uart_clk: uart_clk {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
-- 
1.9.1