[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.masah...@socionext.com>
---

 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