[PATCH v4 4/7] arm64: dts: r8a7795: salvator-x: Add DU1 and DU2 external dot clocks

[Laurent Pinchart]

The DU1 and DU2 external dot clocks are fixed frequency clock generators
running at 33MHz.

Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
 arch/arm64/boot/dts/renesas/salvator-x.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/salvator-x.dtsi 
b/arch/arm64/boot/dts/renesas/salvator-x.dtsi
index 2cd0cce818e7..884c63ebba69 100644
--- a/arch/arm64/boot/dts/renesas/salvator-x.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-x.dtsi
@@ -212,6 +212,19 @@
                #clock-cells = <0>;
                clock-frequency = <24576000>;
        };
+
+       /* External DU dot clocks */
+       x21_clk: x21-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <33000000>;
+       };
+
+       x22_clk: x22-clock {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <33000000>;
+       };
 };
 
 &audio_clk_a {
@@ -238,6 +251,16 @@
        pinctrl-names = "default";
        status = "okay";
 
+       clocks = <&cpg CPG_MOD 724>,
+                <&cpg CPG_MOD 723>,
+                <&cpg CPG_MOD 722>,
+                <&cpg CPG_MOD 721>,
+                <&cpg CPG_MOD 727>,
+                <&x21_clk>,
+                <&x22_clk>;
+       clock-names = "du.0", "du.1", "du.2", "du.3", "lvds.0",
+                     "dclkin.1", "dclkin.2";
+
        ports {
                port@0 {
                        endpoint {
-- 
Regards,

Laurent Pinchart