Merge branch 'rng' into omap-for-v5.5/dt

arch/arm/boot/dts/am3517.dtsi

···
 	};
 };
 
+/* Not currently working, probably needs at least different clocks */
+&rng_target {
+	status = "disabled";
+	/delete-property/ clocks;
+};
+
 /* Table Table 5-79 of the TRM shows 480ab000 is reserved */
 &usb_otg_hs {
 	status = "disabled";

arch/arm/boot/dts/omap3-n900.dts

···
 	};
 };
 
+/* RNG not directly accessible on n900, see omap3-rom-rng instead */
+&rng_target {
+	status = "disabled";
+};
+
 &usb_otg_hs {
 	interface-type = <0>;
 	usb-phy = <&usb2_phy>;

arch/arm/boot/dts/omap3.dtsi

···
  * kind, whether express or implied.
  */
 
+#include <dt-bindings/bus/ti-sysc.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/omap.h>
···
 			clocks = <&mcbsp1_fck>;
 			clock-names = "fck";
 			status = "disabled";
+		};
+
+		/* Likely needs to be tagged disabled on HS devices */
+		rng_target: target-module@480a0000 {
+			compatible = "ti,sysc-omap2", "ti,sysc";
+			reg = <0x480a003c 0x4>,
+			      <0x480a0040 0x4>,
+			      <0x480a0044 0x4>;
+			reg-names = "rev", "sysc", "syss";
+			ti,sysc-mask = <(SYSC_OMAP2_AUTOIDLE)>;
+			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
+					<SYSC_IDLE_NO>;
+			ti,syss-mask = <1>;
+			clocks = <&rng_ick>;
+			clock-names = "ick";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x480a0000 0x2000>;
+
+			rng: rng@0 {
+				compatible = "ti,omap2-rng";
+				reg = <0x0 0x2000>;
+				interrupts = <52>;
+			};
 		};
 
 		mcbsp2: mcbsp@49022000 {

arch/arm/boot/dts/omap34xx-omap36xx-clocks.dtsi

···
 			 <&gpt10_ick>, <&mcbsp5_ick>, <&mcbsp1_ick>,
 			 <&omapctrl_ick>, <&aes2_ick>, <&sha12_ick>, <&icr_ick>,
 			 <&des2_ick>, <&mspro_ick>, <&mailboxes_ick>,
-			 <&mspro_fck>;
+			 <&rng_ick>, <&mspro_fck>;
 	};
 };