dts: arm: ti: mspm0: Add a support for MSPM0 clock module

Add a support for TI MSPM0 clock module.

Signed-off-by: Saravanan Sekar <[email protected]>
Signed-off-by: Jackson Farley <[email protected]>

Author: ssekar15

dts/arm/ti/mspm0/g/mspm0g.dtsi

@@ -6,3 +6,18 @@
  */
 
 #include <ti/mspm0/mspm0.dtsi>
+
+/{
+	clocks: clock-buses {
+		pll: pll {
+			compatible = "ti,mspm0-pll";
+			clocks = <&sysosc 0>;
+			p-div = <2>;
+			q-div = <5>;
+			clk1-div = <2>;
+			clk2x-div = <2>;
+			#clock-cells = <0>;
+			status = "okay";
+		};
+	};
+};

dts/arm/ti/mspm0/mspm0.dtsi

@@ -6,6 +6,8 @@
  */
 
 #include <arm/armv6-m.dtsi>
+#include <zephyr/dt-bindings/clock/mspm0_clock.h>
+#include <freq.h>
 
 /{
 	cpus {
@@ -21,6 +23,65 @@
 		};
 	};
 
+	ckm: clock-module {
+		#clock-cells = <1>;
+		compatible = "ti,mspm0-ckm";
+	};
+
+	clocks: clock-buses {
+		exlfclk: exlfclk {
+			#clock-cells = <0>;
+			compatible = "ti,mspm0-ckm-bus";
+			status = "disabled";
+		};
+
+		hfclk: hfclk {
+			#clock-cells = <0>;
+			compatible = "ti,mspm0-ckm-bus";
+			status = "disabled";
+		};
+
+		lfosc: lfosc {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		sysosc: sysosc {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <DT_FREQ_M(32)>;
+		};
+
+		lfclk: lfclk {
+			#clock-cells = <0>;
+			compatible = "ti,mspm0-ckm-bus";
+			clock-frequency = <32768>;
+			clock-source = <MSPM0_CLOCK_BUS_LFOSC>;
+		};
+
+		ulpclk: ulpclk {
+			#clock-cells = <0>;
+			compatible = "ti,mspm0-ckm-bus";
+			clock-frequency = <DT_FREQ_M(32)>;
+			clock-source = <MSPM0_CLOCK_BUS_SYSOSC>;
+		};
+
+		mclk: mclk {
+			#clock-cells = <0>;
+			compatible = "ti,mspm0-ckm-bus";
+			clock-frequency = <DT_FREQ_M(32)>;
+			clock-source = <MSPM0_CLOCK_BUS_SYSOSC>;
+		};
+
+		mfpclk: mfpclk {
+			#clock-cells = <0>;
+			compatible = "ti,mspm0-ckm-bus";
+			clock-frequency = <DT_FREQ_M(4)>;
+			clock-source = <MSPM0_CLOCK_BUS_SYSOSC_4M>;
+		};
+	};
+
 	soc {
 		sram0: memory@20000000 {
 			compatible = "mmio-sram";