dts: sandbox: Add 'osc' clock for Common Clock Framework [CCF] testing

This patch adds the 'osc' fixed clock to facilitate the CCF testing in
the sandbox U-Boot. It is a starting point for building CCF hierarchy of
clocks.

Signed-off-by: Lukasz Majewski <lukma@denx.de>

diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 531c1af..0dd5e8d 100644 (file)
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -211,6 +211,12 @@
                        clock-mult = <2>;
                        clocks = <&clk_fixed>;
                };
+
+               osc {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <20000000>;
+               };
        };
 
        clk_sandbox: clk-sbox {