dt-bindings: stm32: add clocks and reset binding for stm32mp25 platform

Adds clock and reset binding entries for STM32MP25 SoC family

Signed-off-by: Gabriel Fernandez <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: Gabriel-Fernandz

Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml

@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/st,stm32mp25-rcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STM32MP25 Reset Clock Controller
+
+maintainers:
+  - Gabriel Fernandez <[email protected]>
+
+description: |
+  The RCC hardware block is both a reset and a clock controller.
+  RCC makes also power management (resume/supend).
+
+  See also::
+    include/dt-bindings/clock/st,stm32mp25-rcc.h
+    include/dt-bindings/reset/st,stm32mp25-rcc.h
+
+properties:
+  compatible:
+    enum:
+      - st,stm32mp25-rcc
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  clocks:
+    items:
+      - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz)
+      - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz)
+      - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
+      - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
+      - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
+
+  clock-names:
+    items:
+      - const: hse
+      - const: hsi
+      - const: msi
+      - const: lse
+      - const: lsi
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+  - '#reset-cells'
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/st,stm32mp25-rcc.h>
+
+    rcc: clock-controller@44200000 {
+        compatible = "st,stm32mp25-rcc";
+        reg = <0x44200000 0x10000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+        clock-names = "hse", "hsi", "msi", "lse", "lsi";
+        clocks = <&scmi_clk CK_SCMI_HSE>,
+                 <&scmi_clk CK_SCMI_HSI>,
+                 <&scmi_clk CK_SCMI_MSI>,
+                 <&scmi_clk CK_SCMI_LSE>,
+                 <&scmi_clk CK_SCMI_LSI>;
+    };
+...