arm64: dts: ulcb: Add DU external dot clock sources

The DU0/DU1/DU2/DU3 external dot clocks are generated by an I2C-controlled
programmable clock generator.

Clock generator is available on both the H3 and M3-W ULCB boards.
Add this to the ulcb.dtsi file.

Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index 0467cd0..17a1f00 100644 (file)
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -120,6 +120,12 @@
                #clock-cells = <0>;
                clock-frequency = <24576000>;
        };
+
+       x23_clk: x23-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <25000000>;
+       };
 };
 
 &audio_clk_a {
@@ -193,6 +199,14 @@
        status = "okay";
 
        clock-frequency = <400000>;
+
+       versaclock5: clock-generator@6a {
+               compatible = "idt,5p49v5925";
+               reg = <0x6a>;
+               #clock-cells = <1>;
+               clocks = <&x23_clk>;
+               clock-names = "xin";
+       };
 };
 
 &i2c_dvfs {