dt-bindings: clock: ti: Convert fixed-factor-clock to yaml

This uses the ti,autoidle.yaml for clock autoidle support. Clean up the example
to meet the current standards.

Add the creator of the original binding as a maintainer.

Signed-off-by: Sukrut Bellary <sbellary@baylibre.com>
Link: https://lore.kernel.org/r/20250516081612.767559-3-sbellary@baylibre.com
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: Sukrut Bellary

Documentation/devicetree/bindings/clock/ti/fixed-factor-clock.txt

@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/ti/ti,fixed-factor-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI fixed factor rate clock sources
+
+maintainers:
+  - Tero Kristo <kristo@kernel.org>
+  - Sukrut Bellary <sbellary@baylibre.com>
+
+description:
+  This consists of a divider and a multiplier used to generate a fixed rate
+  clock. This also uses the autoidle support from TI autoidle clock.
+
+allOf:
+  - $ref: ti,autoidle.yaml#
+
+properties:
+  compatible:
+    const: ti,fixed-factor-clock
+
+  "#clock-cells":
+    const: 0
+
+  reg:
+    maxItems: 1
+
+  ti,clock-div:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Fixed divider
+    minimum: 1
+
+  ti,clock-mult:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Fixed multiplier
+    minimum: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-output-names:
+    maxItems: 1
+
+  ti,set-rate-parent:
+    description:
+      Propagate to parent clock
+    type: boolean
+
+required:
+  - compatible
+  - clocks
+  - "#clock-cells"
+  - ti,clock-mult
+  - ti,clock-div
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    bus{
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        clock@1b4 {
+            compatible = "ti,fixed-factor-clock";
+            reg = <0x1b4>;
+            clocks = <&dpll_usb_ck>;
+            #clock-cells = <0>;
+            ti,clock-mult = <1>;
+            ti,clock-div = <1>;
+            ti,autoidle-shift = <8>;
+            ti,invert-autoidle-bit;
+        };
+    };