[RFC PATCH 01/10] dt-bindings: soc: imx-blk-ctrl: add 'fsl,power-domains-boot-on' property

Dario Binacchi
2024-10-28T10:29:46Z

This property lists the state of the power domains, indicating whether
they have been left on or off by the bootloader/firmware.
This information becomes relevant, for example, in the case of supporting
the simple framebuffer.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

.../bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml
index eeec9965b091..00aa0b8d8ea9 100644
--- a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml
@@ -56,6 +56,15 @@ properties:
- const: csi-aclk
- const: csi-pclk

+ fsl,power-domains-boot-on:
+ description: |
+ Provide the on/off (1/0) status of the power domains. It allows
+ specifying whether one or more power domains have already been
+ initialized and left powered on by the bootloader.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 5
+ maxItems: 5
+
required:
- compatible
- reg
--
2.43.0