arm64: dts: sparx5: Add Sparx5 SoC DPLL clock

This adds a DPLL clock to the Sparx5 SoC. It is used to generate clock
to misc peripherals, specifically the SDHCI/eMMC controller.

Link: https://lore.kernel.org/r/20200615133242.24911-10-lars.povlsen@microchip.com
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi
index baf4176ce1dfe81910d52ded26569a036d0c9692..161846caf9c94710b4bfec94509432068ada3835 100644 (file)
--- a/arch/arm64/boot/dts/microchip/sparx5.dtsi
+++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi
@@ -72,20 +72,29 @@
                             <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
        };
 
-       clocks: clocks {
-               #address-cells = <2>;
-               #size-cells = <1>;
-               ranges;
-               ahb_clk: ahb-clk {
-                       compatible = "fixed-clock";
-                       #clock-cells = <0>;
-                       clock-frequency = <250000000>;
-               };
-               sys_clk: sys-clk {
-                       compatible = "fixed-clock";
-                       #clock-cells = <0>;
-                       clock-frequency = <625000000>;
-               };
+       lcpll_clk: lcpll-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <2500000000>;
+       };
+
+       clks: clock-controller@61110000c {
+               compatible = "microchip,sparx5-dpll";
+               #clock-cells = <1>;
+               clocks = <&lcpll_clk>;
+               reg = <0x6 0x1110000c 0x24>;
+       };
+
+       ahb_clk: ahb-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <250000000>;
+       };
+
+       sys_clk: sys-clk {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <625000000>;
        };
 
        axi: axi@600000000 {
@@ -161,8 +170,6 @@
                                pins = "GPIO_26", "GPIO_27";
                                function = "uart2";
                        };
-
                };
-
        };
 };