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dt-bindings: power: Convert raspberrypi,bcm2835-power to Dt schema
Convert the raspberrypi,bcm2835-power binding to Dt schema Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Karan Sanghavi <karansanghvi98@gmail.com> Link: https://lore.kernel.org/r/20241216-raspberrypi-bcm2835-power-v5-1-222fc244132b@gmail.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/raspberrypi,bcm2835-power.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom BCM2835 power domain
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maintainers:
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- Alexander Aring <alex.aring@gmail.com>
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- Florian Fainelli <florian.fainelli@broadcom.com>
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description:
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The Raspberry Pi power domain manages power for various subsystems
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in the Raspberry Pi BCM2835 SoC.
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properties:
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compatible:
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enum:
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- raspberrypi,bcm2835-power
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firmware:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: Reference to the RPi firmware device node
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"#power-domain-cells":
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const: 1
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required:
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- compatible
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- firmware
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- "#power-domain-cells"
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unevaluatedProperties: false
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examples:
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- |
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power-controller {
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compatible = "raspberrypi,bcm2835-power";
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firmware = <&firmware>;
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#power-domain-cells = <1>;
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};
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Raspberry Pi power domain driver
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Required properties:
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- compatible: Should be "raspberrypi,bcm2835-power".
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- firmware: Reference to the RPi firmware device node.
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- #power-domain-cells: Should be <1>, we providing multiple power domains.
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The valid defines for power domain are:
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RPI_POWER_DOMAIN_I2C0
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RPI_POWER_DOMAIN_I2C1
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RPI_POWER_DOMAIN_I2C2
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RPI_POWER_DOMAIN_VIDEO_SCALER
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RPI_POWER_DOMAIN_VPU1
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RPI_POWER_DOMAIN_HDMI
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RPI_POWER_DOMAIN_USB
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RPI_POWER_DOMAIN_VEC
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RPI_POWER_DOMAIN_JPEG
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RPI_POWER_DOMAIN_H264
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RPI_POWER_DOMAIN_V3D
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RPI_POWER_DOMAIN_ISP
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RPI_POWER_DOMAIN_UNICAM0
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RPI_POWER_DOMAIN_UNICAM1
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RPI_POWER_DOMAIN_CCP2RX
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RPI_POWER_DOMAIN_CSI2
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RPI_POWER_DOMAIN_CPI
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RPI_POWER_DOMAIN_DSI0
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RPI_POWER_DOMAIN_DSI1
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RPI_POWER_DOMAIN_TRANSPOSER
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RPI_POWER_DOMAIN_CCP2TX
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RPI_POWER_DOMAIN_CDP
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RPI_POWER_DOMAIN_ARM
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Example:
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power: power {
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compatible = "raspberrypi,bcm2835-power";
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firmware = <&firmware>;
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#power-domain-cells = <1>;
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};
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Example for using power domain:
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&usb {
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power-domains = <&power RPI_POWER_DOMAIN_USB>;
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};
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