dt-bindings: power: Convert raspberrypi,bcm2835-power to Dt schema

Convert the raspberrypi,bcm2835-power binding to Dt schema

Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Karan Sanghavi <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rob Herring (Arm) <[e-mail]>

Documentation/devicetree/bindings/power/raspberrypi,bcm2835-power.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/raspberrypi,bcm2835-power.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom BCM2835 power domain
+
+maintainers:
+  - Alexander Aring <[e-mail]>
+  - Florian Fainelli <[e-mail]>
+
+description:
+  The Raspberry Pi power domain manages power for various subsystems
+  in the Raspberry Pi BCM2835 SoC.
+
+properties:
+  compatible:
+    enum:
+      - raspberrypi,bcm2835-power
+
+  firmware:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Reference to the RPi firmware device node
+
+  "#power-domain-cells":
+    const: 1
+
+required:
+  - compatible
+  - firmware
+  - "#power-domain-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    power-controller {
+      compatible = "raspberrypi,bcm2835-power";
+      firmware = <&firmware>;
+      #power-domain-cells = <1>;
+    };

Documentation/devicetree/bindings/soc/bcm/raspberrypi,bcm2835-power.txt

···
-Raspberry Pi power domain driver
-
-Required properties:
-
-- compatible:		Should be "raspberrypi,bcm2835-power".
-- firmware:		Reference to the RPi firmware device node.
-- #power-domain-cells:	Should be <1>, we providing multiple power domains.
-
-The valid defines for power domain are:
-
- RPI_POWER_DOMAIN_I2C0
- RPI_POWER_DOMAIN_I2C1
- RPI_POWER_DOMAIN_I2C2
- RPI_POWER_DOMAIN_VIDEO_SCALER
- RPI_POWER_DOMAIN_VPU1
- RPI_POWER_DOMAIN_HDMI
- RPI_POWER_DOMAIN_USB
- RPI_POWER_DOMAIN_VEC
- RPI_POWER_DOMAIN_JPEG
- RPI_POWER_DOMAIN_H264
- RPI_POWER_DOMAIN_V3D
- RPI_POWER_DOMAIN_ISP
- RPI_POWER_DOMAIN_UNICAM0
- RPI_POWER_DOMAIN_UNICAM1
- RPI_POWER_DOMAIN_CCP2RX
- RPI_POWER_DOMAIN_CSI2
- RPI_POWER_DOMAIN_CPI
- RPI_POWER_DOMAIN_DSI0
- RPI_POWER_DOMAIN_DSI1
- RPI_POWER_DOMAIN_TRANSPOSER
- RPI_POWER_DOMAIN_CCP2TX
- RPI_POWER_DOMAIN_CDP
- RPI_POWER_DOMAIN_ARM
-
-Example:
-
-power: power {
-	compatible = "raspberrypi,bcm2835-power";
-	firmware = <&firmware>;
-	#power-domain-cells = <1>;
-};
-
-Example for using power domain:
-
-&usb {
-       power-domains = <&power RPI_POWER_DOMAIN_USB>;
-};